TG818-AJ-MMC-020_0_0.pdf

DOCUMENT NO. USTL84-1444 OCT 1986

DESCRIPTION, INSTALLATION, OPERATION, AND MAINTENANCE

FOR THE

PASSENGER ELEVATORS

ABOARD THE

TAH CLASS HOSPITAL SHIPS

GROUP TWO MANUAL --

PREPARED FOR:

NATIONAL STEEL AND SHIPBUILDING COMPANY

San Diego, C a l i f o r n i a

REFERENCE :

NASSCO P u r c h a s e O r d e r No.

V00046, D a t e d 11/29/83

PREPARED BY:

DEFENSE AND SPECIALTY SYSTEMS

OF

CRANE / UNIDYNAMICS MIDWEST

10616 T r e n t o n Avenue St. L o u i s , M i s s o u r i 63132

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FORE WORD

There are nine UniDynamics' passenger elevators aboard each of the Hospital Ships, TAH Class, constructed by National Steel & Shipbuilding Company. A l l nine elevators are simil-ar; however, they are not identical -- the major differ-ences being location, number of stops, and length of trav-

el. To adequately cover all nine elevators, UniDynamics has developed three separate manuals. The Group I manual covers the three elevators between Frames 38 to 41. The Group I1 manual covers the three elevators between Frames 44 to 47. The Group I11 manual covers the three elevators, two straddle centerline ship about Frame 71 and one about Frame 70 to port side of ship. Each group has its own draw-ings. Group I is represented by the 1443 drawings; Group I1 by the 1444 drawings; and Group I11 by the 1445 draw-ings. Care should be taken to make sure the proper manual and drawings are used when maintaining or troubleshooting the equipment.

TABLE OF CONTENTS

SECTION 1 DESCRIPTION

GENERAL

TOWER STRUCTURE

ELEVATOR CAR ASSEMBLY

MACHINERY PACKAGE ASSEMBLY

CONTROL SYSTEM

ASSOCIATED SYSTEM COMPONENTS

SECTION 2 INSTALLATION

GENERAL

SAFETY PRECAUTIONS

UNCRATI NG

INSPECTION

INSTALLATION INSTRUCTIONS

POST INSTALLATION CHECKOUT

PRE-TEST1 NG PROCEDURES

CHECK OF ALIGNMENT AND

GENERAL INSTALLATION

SAFETY TEST (Car)

SAFETY TEST (Counterweight 1

HOISTWAY DOOR INTERLOCK CHECK

NORMAL/STOP SWITCH CHECKOUT

EMERGENCY STOP SWITCH CHECKOUT

ALARM CIRCUIT CHECKOUT

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TABLE OF CONTENTS

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SECTION 3 OPERATION 3-1

GENERAL 3-1

3-1 ENERGIZING THE SYSTEM

NORMAL MODE OF OPERATION 3-2

DEENERGIZING THE SYSTEM 3-2

3-2 OTHER CAR CONTROLS

MANUAL MOTOR ROTATION 3-3

SECTION 4 PREVENTATIVE MAINTENANCE 4-1

GENERAL 4-1

PRECAUTIONARY MEASURES 4-1

LUBRICATION 4-2

INSPECTION PROCEDURES

( M a i n t e n a n c e P e r s o n n e l ) C a r Door/Gate I n s p e c t i o n C a r I n s p e c t i o n

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SYSTEM LUBRICATION CHART 4-3

I n s p e c t i o n Made O u t s i d e of H o i s t w a y 4-4

OVERALL SYSTEM INSPECTION

( P r o f e s s i o n a l E l e v a t o r I n s p e c t o r s ) I n s p e c t i o n Made From C a r T o p M a c h i n e r y I n s p e c t i o n s Inspec t ions Made From P i t

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TABLE OF CONTENTS ( C o n t i n u e d ) .

SECTION 5 ADJUSTMENT AND ALIGNMENT

GENERAL

GUIDE ROLLER ADJUSTMENT

CABLE TENSION ADJUSTMENT

GOVERNOR ROPE ADJUSTMENT

BRAKE ADJUSTMENT

RE SETTING SAFETIES

SECTION 6 TROUBLESHOOTING

GENERAL

CIRCUIT DESCRIPTION

Power C i r c u i t s ( S e e Drawing 14438010) C o n t r o l C i r c u i t s I n t e r l o c k s D i s p a t c h S y s t e m

TROUBLESHOOTING PROCEDURES

E l e c t r i c S y s t e m T r o u b l e I s o l a t i o n I s o l a t i o n of T r o u b l e Between Power

L o g i c S y s t e m R e p a i r a n d L o g i c C o n t r o l C i r c u i t r y

SECTION 7 DRAWINGS AND REPAIR PARTS

GENERAL

LIST OF TOP ASSEMBLIES

VENDOR INFORMATION

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SECTION 1

DESCRIPTION

GENERAL

This manual covers the Group I1 marine elevators located be-tween Frames 44 and 47. These three elevators (See Drawing 1444) are counterweighted, electric traction, passenger sys-tems, each capable of carrying a rated load of 7500 pounds at a speed of 150 feet per minute. The elevators travel from the 4th platform to the 02 Level, a distance of 6 4 feet, to serve seven stops. Other technical specifications are as follows:

Table 1. Technical Data

Mount i ng Type Single Bulkhead Control Selective Collective Car Size (Inside) 10'-1" x 7'-2" x 6'-6" High Car Doors Power Operated, Center Opening Hoistway Doors (6) Power Operated, Center Opening Electric Drive Motor 50 Horsepower, Two Speed Power Requirements 440 Volts, Three Phase, 60 Hz

120 Volts, Single Phase, 60 Hz T i

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Each of the elevators "rides" on guide rails which are part of a tower structure which extends the entire length of travel and is secured to a single ship bulkhead. The ma-chinery package, which drives the elevator, is located in the pit at the bottom of the hoistway and raises and lowers the elevator car by means of hoisting ropes and a sheave ar-rangement mounted in the overhead. Buffer assemblies are located at the bottom of the hoistway and are used to sup-port the car and counterweight should either be lowered to that point.

Principal system components are described in the following paragraphs and are depicted by the drawings presented at the rear of the manual.

TOWER STRUCTURE

The tower structure consists of standard 15-pounds-per-foot elevator car and counterweight rails with supporting mem-bers, and extends the entire length of elevator travel.

The structure is secured to the bulkhead by means of tower brackets which are bolted and welded to the bulkhead and

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I - -welded to the tower structure. Tower sections are tongue and grooved and are pre-fitted before shipment to insure alignment.

ELEVATOR CAR ASSEMBLY

The elevator car assembly (See Drawing 14441000) is a weld-ed and bolted steel enclosure, 10'-1" x 7'-2" x 6'-6" high, and equipped with power-operated car doors, a control pan-el, telephone, light and emergency light assemblies, fold-ed steps, an emergency escape hatch, hand rail, ventilation fan and air vents. Other car equipment includes a static switch assembly, guide roller assemblies, car safeties, and car top inspection station.

The car door presents a clear opening of 4'-6" x 6'-6" and is the center-opening type, electrically interlocked to pre-vent operation unless the door is closed securely. The door is also equipped with safety edges to reverse door movement should the door encounter an obstacle while closing. The car control panel provides "send" pushbuttons f o r each of the levels served, car position lights, and switches for Door Open and Emergency Stop functions.

The telephone, located in the car, is a sound-powered de-vice which is connected through the traveling cable to a like unit located elsewhere by the using activity. Each car light assembly consists of two fluorescent bulbs con-nected to the ship's 120 volt power supply. The emergency light is battery-operated and is equipped with a sensing device which turns the light on should the regular 120 volt power supply fail for any reason. The folding steps are located on the inside of the car and are used for access to the escape hatch located in the ceiling of the car. The escape hatch is interlocked and must be closed and the interlocks set from inside the car before normal car oper-ation is possible.

The proximity switch assembly is located on the car and is equipped with five proximity (or optical) switches. These switches are equipped with light emitting diodes, operating in the infrared range, and light sensors. The switches op-erate in conjunction with vane assemblies located in the hoistway to provide slow, stop, and leveling signals for the logic system. The guide roller assemblies (four) are secured to the car and are designed to "ride" the guide rails to maintain car alignment during travel. The car safeties are located under the car and are designed to

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. - J --wedge'into the rail to stop and hold the car should an over-speed in the down direction trip an associated overspeed governor located in the overhead. The car top inspection station is located atop the car and is used for car control during'emergency for maintenance situations.

MACHINERY PACKAGE ASSEMBLY

The machinery package assembly (See Drawing 14441200) pro-vides the driving forces for elevator car movement, and con-sists of an electric motor, DC brake, gear reducer, plus a traction sheave -- all mounted on a common bedplate and lo-cated in the machinery room at the bottom of the hoistway.

A motor controller is bulkhead mounted nearby.

The electric motor is a two-speed (1200/200 r.p.m.1, 5 0 horsepower device which is enclosed in a dripproof housing.

The brake is the shoe-type which is solenoid-released and spring-set. The gear reducer is a splash-lubricated device which is driven by the electric motor and, in turn, drives the traction sheave. The traction sheave has a pitch dia-meter of 28 inches and is grooved to accept the five hoist-ing ropes used to raise and lower the elevator car.

The machinery package is equipped with a hand crank and as-sociated hand tools that can be used to manually rotate the elevator motor to raise or lower the elevator car should the power fail. An interlock is provided so that powered operation is prevented if the manual equipment is being used. The interlock must be in the normal operating posi-tion before normal operation can be resumed. (See Chapter 2, Operation, for Manual Motor Rotation procedures.)

CONTROL SYSTEM

The control system is the selective collective type with pushbutton controls located in the car, in the hallway at each level served, and on the inspection station on the car top. "Send" pushbuttons in the car actuate the system to "send" the car to the level selected. "Call" pushbuttons at each level served are used to "call" the elevator to that level. Car position lights are provided in the car.

The car top inspection station is used only during inspec-tions, and when used, overrides other system controls. Jog Up and Jog Down pushbuttons are located on the motor con-troller in the machine room and are used to jog the car up or down during repair or emergency situations.

When actuated, the control system causes the car to start its motion at slow speed. After traveling a predetermined time, the system automatically switches to fast speed and allows the car to travel at that speed until it approaches its destination at which point the system switches back to slow speed. At the destination, the system is deenergized, the car stops, and the motor brake is allowed to set. The system is fused and interlocked and is equipped with limit switches so that inappropriate movement is precluded.

As an aid to troubleshooting, the system is equipped with a "status panel" and standard electronic modules (SEMS). The "status panel" consists of a battery of indicator lights, each of which monitors one of the systemDs interlocks and is illuminated if that interlock is open. The SEMS are used in the logic system and are plug-in type modules used to compare elevator static information with input comnands to produce proper command signals. A SEMS can be tested merely by removing it from the circuit and testing the unit in a special tester provided. Testing is on a good/no good basis and replacement units are available. Further informa-tion on the control system can be found in the sections on Operation and Troubleshootinq.

ASSOCIATED SYSTEM COMPONENTS

Associated system components include the counterweight, the buffer assemblies, guide rails, wire ropes, traveling ca-bles, hoistway doors, the overspeed governor and overhead sheave assembly. The counterweight assembly is equipped with four guide shoes and "rides" the counterweight rails to offset the weight of the elevator car and its load. The counterweight is secured to the hoisting ropes, and is equipped with safeties which are set by a broken rope safe-ty device. The buffer assemblies are spring-like devices located at the bottom of the hoistway and designed to hold the car and counterweight should either of these assemblies be lowered to that point.

The wire ropes (five) are 1/2" diameter, traction steel, elevator hoisting ropes with a rated breaking strength of 14,500 pounds. The rope weighs 0.36 of a pound per foot.

The governor wire rope is 3/8" in diameter, has a breaking strength of 8,200 pounds and weighs 0.20 of a pound per foot. The guide rails are "T" shaped elevator rails which weigh 15 pounds per foot. The traveling cable is a mul-ti-conductor cable which hangs in the hoistway and trans-mits power and signals to and from the moving car.

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The hoistway doors are ganged to the power operated car doors and are electrically interlocked and mechanically locked. Each door must be closed securely to satisfy the in-terlocks to permit car motion. The doors remain locked un-til a cam on the elevator car door trips the locking mech-anism to permit door opening. Thus, the door cannot be opened unless the car is at that level. The overspeed I governor located on the tower structure and is designed to be centrifugally activated should the car exceed a predetermined speed in the down direction. Should this occur, the governor sets the car safeties to stop and hold the car at the stopping point.

SECTION 2

INSTALLATION

GENERAL

This section provides instructions and drawing references for installation of the Unidynamics' passenger elevators.

The equipment has been assembled and tested as a system be-fore shipment; however, disassembly has been necessary for shipment. A l l subassemblies remain intact, but must be prop-erly located and secured in the elevator trunk. In addi-tion, they must be mechanically/electrically tied together with mating system components.

Included in this section are Safety Precautions, Uncrating Instructions, and sequenced Installation Instructions. In-stallation drawings have been included at the rear of this publication. Before any installation is attempted, this sec-tion should be reviewed and the drawings studied carefully so that installation personnel become familiar with the equipment and the methods to be employed for installation.

An overhead crane, a suitable fork lift truck, normal power and hand tools, installation platform, and sufficient scaf-folding and work space are necessary for completion of the task.

SAFETY PRECAUTIONS

Observe the following general precautions during installa-tion of the elevator equipment:

WARN1 NG

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THE ELECTRICAL INPUT TO THE SYSTEM AT THE HOISTING

MOTOR IN THE MACHINERY ROOM IS 4 4 0 VOLTS A.C. EX-

TREME CAUTION SHOULD ALWAYS BE EXERCISED WHEN WORK-

ING WITH VOLTAGE OF THIS MAGNITUDE.

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WARNING

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SOME O F THE FOLLOWING PROCEDURES CALL FOR

WORKING AT HEIGHTS I N THE ELEVATOR SHAFT

AND BELOW THE ELEVATOR CAR. OBSERVE GENERAL

SAFETY PRECAUTIONS AND THOSE PROVIDED AT THE

BEGINNING O F EACH PHASE O F I N S T A L L A T I O N .

WARNING

INSTALLATION PERSONNEL SHOULD AVOID WEARING

LOOSE CLOTHING, E S P E C I A L L Y N E C K T I E S . BUTTONS

SHOULD BE BUTTONED A T ALL TIMES, A HARD HAT

SHOULD BE WORN WHILE WORKING I N THE TRUNKWAY,

AND STEEL-TOE TYPE SAFETY SHOES AND SAFETY

GLASSES SHOULD BE WORN AT ALL TIMES.

WARNING

INSTALLATION PERSONNEL SHOULD STAND CLEAR O F MOV-

ING MEMBERS, WATCH FOR TRUNK P R O J E C T I O N S , AND

CAREFULLY MONITOR CLEARANCES ABOVE AND BELOW THE

ELEVATOR CAR.

UNCRATING

Each elevator system is shipped in eight segments, the ma-chinery package, the car assembly, counterweight assembly, tower sections ( 2 1 , door assemblies, electrical components, and miscellaneous items. To uncrate, proceed as follows:

a. Remove barrier material and plastic covering.

b. Using a b o l t cutter, cut metal banding straps.

c. Remove and discard strapping, packing material, etc.

d. U s e forklift to transfer equipment to the installation sits.

e. Carefully remove items shipped in the car assembly.

f. Discard all packing material remaining.

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INSPECTION

After unpacking equipment, inspect for damage in transit and any other obvious defect. Verify that all equipment is pres-ent by .checking against packing list. (It should be remem-bered that some items may already be assembled together.)

Report any damage or discrepancy.

INSTALLATION INSTRUCTIONS

It is assumed that each elevator in this equipment group will be installed into upper and lower hoistway modules sup-plied by the shipbuilder and while these modules are located at dockside. The lower elevator components will be in-stalled into the lower module first. While the shipyard is installing the lower module into the ship, the upper eleva-tor components will be installed into the upper module sec-tion. The upper section will then be crane lifted and mated with the lower hoistway module to complete the installation.

Before installation is started, inspect the installation ar-ea for any unsafe conditions, and remove these conditions if possible. Have all necessary tools and equipment readily ac-cessible, and proceed as follows, accomplishing each step in the sequence given. Use suitable overhead hoist as required.

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Locate and secure the machinery package (Drawing 14441200) in the machinery room of the lower hoistway module as per the General Arrangement Drawing 1444.

Locate and install electrical panels and the governor tension weight in the machinery room as per drawings.

Install buffer springs (car and counterweight) and the bottom tower section, temporarily securing the tower section to the bulkhead. (Remember, the tower sections must be installed in proper sequence. Sec-tions are sequentially numbered from the bottom to the top. 1

Temporarily position hoistway doors in bottom hoistway section and mark door cutouts.

Using the hoist, install a work platform on the rails of the bottom tower section.

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6. Using the work platform, install the remaining tower section(s1 in the lower hoistway module and secure temporarily as before.

7. Move to upper hoistway section, and using same pro-cedure install the tower sections in the upper hoist-way section. Again secure temporarily.

8 . Using shipyard crane, crane lift upper hoistway sec-tion and mate with lower hoistway section already in-stalled in ship.

9. Align tower sections as required.

10. After alignment, secure tower sections by welding tower brackets in firm.

11. Install governor, as per drawing.

12. Install all electrical cabling wiring, and switches as per drawings. Refer to the Electrical Schematic 11448010 and the Wire Run List 14448020.

13. Remove workmans platform.

14. Install elevator car and counterweight as per draw-ings.

15. Install overhead sheaves as per drawings.

16. Complete reeving of the car, counterweight, and gov-ernor.

17. Install all hoistway doors, tracks, sills, and make complete all cutouts.

CAUTION

BEFORE PROCEEDING WITH THE NEXT STEP, VERIFY THAT THE

GEAR REDUCER HAS BEEN FILLED WITH LUBRICATION OIL

(AGMA 5 Compounded Oil), AND THAT THE TRUNK IS CLEAR

OF TOOLS, EQUIPMENT, ETC.

18. Energize elevator system. Refer to Section 3 of this publication for operation instructions.

19. Verify proper operation by depressing the send push-buttons at the two levels served and noting the sys-tem's response.

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POST INSTALLATION CHECKOUT I

A crew of at least two inspectors is advisable for making , initial inspections. Inspectors should take every precau-tion for their own personal safety during the following tests. Refer to paragraph entitled, Safety Precautions.

PRE-TESTING PROCEDURES

Before beginning the actual checkout procedures, perform the following steps and observe the precautionary measures given :

1. Energize the elevator system using the normal operating procedures given in Section 3 entitled Operation. -

2. Lower the elevator car to lower level (if it is not already there), deenergize the system.

3 . Visually inspect the car, trunk wire ropes, sheaves, etc., for any sign of damage or improper installation.

Leave car.

WARNING

PLACE A SUITABLE SIGN AT EACH OPERATING LEVEL

INFORMING PERSONNEL THAT THE ELEVATOR IS UNDER

TEST AND IS UNAVAILABLE FOR USE.

4 . Re-energize the system and return the equipment to the norinal operating mode.

CHECK OF ALIGNMENT AND GENERAL INSTALLATION

This test requires the use of a test weight equal to 100 per cent of the cargo elevator's rated load (7,500 pounds).

1. Center test weight on car platform. Close door.

2. Energize system. Send car to another level. Verify performance was proper.

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3 . Repeat procedure, this time sending the car to the other level. Again monitor performance and verify operation was proper, that no binding occurred and normal clearances were maintained.

4 . In the normal mode of operation, send car from top level to bottom level for a total of 30 minutes, stopping for approximately 30 seconds at each stop-ping point.

5. Immediately after completion of the last run, enter the machinery space and use hand to verify that the hoisting motor and associated machinery is not exces-sively hot to the touch.

SAFETY TEST (Car)

Perform the following test to verify proper operation of the elevator safeties:

1. Place rated load (7500 pounds) in the car. The load shall be centered on each quarter of the platform sym-metrically with relation to the centerlines of the platform.

2. Operate the elevator car in the down direction at normal speed, and trip the governor jaws by hand by pulling downward on the governor return rope. (The safeties should apply and stop the car.)

3 . The safeties (Type "B" in this case) shall stop the car with its load within the range of maximum and minimum stopping distances as determined by the formulas given in Section 1306 of ANSI A17.1-1971 and Table 205.3 and figures 13061 (I) through 1306.1 (IV) of the same publication.

4 . The stopping distance should be determined by mea-suring the length of the marks made by the safety jaws or wedges on both sides of each car rail, deducting the length of the safety jaw or wedge used, and taking the average of the four readings.

SAFETY TEST (Counterweight)

The operation of the counterweight safeties shall be ver-ified in the same manner as given above, except that it is n o t n e c e s s a r y t o p l a c e a r a t e d load on t h e p l a t f o r m , and t h a t t h e acceptance c r i te r ia is t h a t t h e safeties, when a c t u -ated, s h o u l d s top and h o l d t h e c o u n t e r w e i g h t . I t i s n o t ap-p l icab le t o m e a s u r e s t o p p i n g d i s t a n c e on t h i s t y p e s a f e t y .

Note: A f t e r c h e c k i n g t h e c o u n t e r w e i g h t s a f e t y oper-a t i o n , i n s p e c t t h e r a i l area c o n t a c t e d b y t h e s e t t i n g safeties. F i l e smooth a n y rough areas t o p r e v e n t un-d u e wear o f t h e c o u n t e r w e i g h t g u i d e s h o e s .

HOISTWAY DOOR INTERLOCK CHECK

P e r f o r m t h e f o l l o w i n g c h e c k s t o v e r i f y p r o p e r o p e r a t i o n of t h e e l e v a t o r h o i s t w a y door i n t e r l o c k s :

1. A t t h e lowest l e v e l , open h o i s t w a y door s u f f i c i e n t l y t o open i n t e r l o c k .

2 . A t t empt t o s e n d t h e car t o t h e s e c o n d l e v e l . C a r s h o u l d n o t move.

3 . Close h o i s t w a y door.

4 . R e p e a t p r o c e d u r e on o the r h o i s t w a y doors.

CAR EMERGENCY STOP SWITCH CHECKOUT

P e r f o r m t h e f o l l o w i n g p r o c e d u r e t o v e r i f y p r o p e r operat ion o f t h e Emergency S t o p S w i t c h :

1. I n t h e normal mode o f o p e r a t i o n , s e n d t h e car f r o m o n e l e v e l t o t h e o t h e r .

2 . A s soon as t h e car b e g i n s t o move, a c t u a t e Emergency S t o p s w i t c h t o t h e S t o p pos i t i on . C a r s h o u l d s t o p i m m e d i a t e l y .

3 . Restore equ ipmen t t o t h e operat ional mode by r e t u r n i n g t h e Emergency Stop s w i t c h t o t h e r u n p o s i t i o n .

4 . R e p e a t p r o c e d u r e for t h e o t h e r Stop S w i t c h e s .

ALARM C I R C U I T CHECKOUT

T e s t alarm c i r c u i t by d e p r e s s i n g alarm s w i t c h on car c o n t r o l p a n e l . T h i s ac t ion c a u s e s t h e alarm r e l a y ( K 1 4 ) t o become e n e r g i z e d a n d i t s contac ts t o close, a c t u a t i n g t h e cus tomer -s u p p l i e d alarm s y s t e m .

SECTION 3

OPERATI ON

GENERAL

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The Unidynamics elevator has been designed for continuous service, and once energized may be left in this operating mode. However, extraordinary circumstances, test, or main-tenance procedures may require shutting the system down and then reenergizing it. This section provides instructions for energizing the system, normal operation, and system shutdown.

ENERGIZING THE SYSTEM

CAUTION

Perform the following steps in the sequence given to ener-gize the elevator system:

1. Perform an overall visual inspection of the elevator system so that:

a. All tools, equipment, etc., have been removed from the elevator area.

b. No physical interference exists between the ele-vator and te'mporary obstructions used during repair, maintenance, etc.

c. All doors, lids, panels, etc., have been replaced, or closed.

2. In the machinery room, close the line disconnect switch on the motor controller. (This makes the 4 4 0 v o l t power available to the contactors in the motor control-ler. )

3 . In the machinery room, close the 120 volt lighting sup-ply disconnect switch to energize the elevator's light-ing and accessory circuits.

4 . At the elevator car, turn on the car lights and venti-lation fan (if desired). The elevator is now ready for operation. Check that emergency light battery is con-nected as it may have been disconnected when the system was shut down.

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0 NORMAL MODE OF OPERATION

Following is the normal mode of operation for the Unidynam-ics' elevator:

1. Depress the level station call pushbutton. (The elevator will leave the other level, proceed to your level, and stop automatically, unlocking and opening the car and hoistway doors. 1

2. Enter elevator, the doors will close automatically.

Note: Car d'oor closing is triggered by an adjustable timer. Should a passenger delay in entering the car, the door will close, locking the hoistway door; however, depressing the call pushbutton will cause the car door to re-open, unlocking the hoistway door as it is driven to the open position.

3 . Select and depress the pushbutton on the car control station corresponding to the desired destination. (The car will automatically start, travel to the commanded level and automatically stop.)

4 . Leave elevator. The doors will close automatically.

DEENERGIZING THE SYSTEM

Should it become necessary to deenergize the system, place the line disconnect switch (in the machine room) and the lighting supply disconnect switch (in the machine room) in the OFF position. The battery operated emergency alarm circuit will energize the customers alarm system when system power is removed. Disconnect the emergency alarm battery when shutting down for extended periods of time.

No other actions are necessary.

OTHER CAR CONTROLS

Other car controls include an emergency STOP switch, and an Alarm switch.

Operating the STOP switch will open the control circuit and cause the elevator to stop. The control must be placed in-to the run position before normal operation can be resumed.

While in stop, the emergency alarm bell will sound.

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The Alarm switch causes an alarm bell to sound.

MANUAL MOTOR ROTATION

In the event of a power failure, the elevator drive motor can be manually rotated, by using special equipment pro-vided with the elevator, to raise or lower the elevator car. The special equipment consists of a manual drive crank and two brake release tools. This is a two-man job which should be accomplished in accordance with the following procedure:

1. Observe the following Warning:

WARNING WARNING

TURN POWER OFF BEFORE ATTEMPTING THIS PROCEDURE.

TWO AUTHORIZED PERSONS ARE REQUIRED TO PERFORM

THE FOLLOWING :

2. Insert brake release tools, one on each side of the solenoid-actuating brake release arms, so that sque-ezing the two tools together will release the brake.

Do not apply squeezing pressure at this time.

3 . Remove hand crank pin and rotate handcrank from detent position to operation position. Use pin to lock crank in operating position.

4 . Apply manual force on brake release tools to release brake.

5. Simultaneously, hand crank motor shaft in the de-sired direction until car is moved to the required position.

6. Release motor brake and remove brake release tools.

7. Return hand crank to detent position. Lock in with pin.

8 . Verify that interlock has been repositioned to its normal operating position.

9. Restore power switch to the ON position.

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SECTION 4

PREVENTIVE MAINTENANCE

GENERAL

Preventive maintenance involves periodic inspection, ser-vicing, and checkout of the elevator system to insure con-tinuity of service at peak performance by preventing fail-ure and decreasing operating efficiency. To be effective, preventive maintenance must be performed regularly. If the equipment fails to meet proper operational standards, cor-rective maintenance or repair must be performed. The fol-lowing paragraphs provide Precautionary Measures which should be followed by maintenance personnel as a general rule; Lubrication Instructions which should be accom-plished at the intervals given; Inspection Procedures which should be performed by maintenance personnel every three months; and- Overall System Inspection which should be performed yearly by professional elevator inspectors.

PRECAUTIONARY MEASURES

Most of the elevator equipment requires no more preventive maintenance other than regular inspection, cleaning, and lubrication. The following precautions should be observed generally to aid in keeping the equipment operational and prolonging equipment life:

1.

2.

3 .

4 .

5 .

Keep the elevator car, machinery room and general area free of litter and other clutter to maintain working surfaces free to operate.

Maintain the paint on all painted surfaces, in-cluding the elevator car, and driving mechanisms (where applicable), etc.

Scale and clean down any painted surfaces that are pitted or corroded before restoring the original finish.

Keep all closures, inspection covers, and access doors in place, tightly secured with their gaskets or seats in good condition.

Maintain a protective coating of lubricant on all unpainted surfaces.

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6. Keep a l l b o l t s , f i t t i n g s , etc. , t i g h t e n e d as re-q u i r e d .

LUBRICATION

L u b r i c a t e s y s t e m components i n a c c o r d a n c e w i t h t h e l u b r i -c a t i o n cha r t c o n t a i n e d i n t h i s s e c t i o n . U s e t h e l u b r i c a n t s i n d i c a t e d , t h e me thods s p e c i f i e d , and o b s e r v e t h e s c h e d u l e g i v e n .

INSPECTION PROCEDURES ( M a i n t e n a n c e P e r s o n n e l )

The f o l l o w i n g p r o c e d u r e s s h o u l d be a c c o m p l i s h e d e v e r y t h r e e months by m a i n t e n a n c e p e r s o n n e l t o v e r i f y proper o p e r a t i o n of t h e e l e v a t o r s y s t e m . Before b e g i n n i n g t es t , s u i t a b l e s i g n s i n d i c a t i n g t h a t t h e e l e v a t o r s y s t e m i s u n d e r test s h o u l d be placed a t a l l l e v e l s s e r v e d .

C a r Door/Gate I n s p e c t i o n

V i s u a l l y examine car d o o r / g a t e a n d n o t e a n y dainaged mem-bers. Operate d o o r / g a t e t o v e r i f y t h a t i t operates f r e e l y a n d t h a t t h e bottom g u i d e s are i n place, s e c u r e l y f a s t e n e d , and, n o t worn s u f f i c i e n t l y t o permit t h e d o o r / g a t e t o come o u t of i t s t r a c k s .

C a r I n s p e c t i o n

V i s u a l l y d e t e r m i n e t h a t t h e car e n c l o s u r e is s t r u c t u r a l l y sound and i s s e c u r e l y f a s t e n e d t o t h e p la t form. V e r i f y t h a t c a p a c i t y p l a t e s and a n y r e q u i r e d cer t i f icates are pro-p e r l y p o s t e d . V e r i f y t h a t t h e escape h a t c h c a n be opened and t h a t i t i s p r o p e r l y i n place.

W i t h t h e e l e v a t o r i n no rma l o p e r a t i o n , operate t h e ca r , mak-i n g s t o p s i n b o t h t h e up a n d down d i r e c t i o n . A t each s t o p , v e r i f y t h a t t h e car h a s l e v e l e d p r o p e r l y . C l o s e car d o o r / ga t e and h o i s t w a y door and b e g i n t r a v e l t o a n o t h e r l e v e l .

While t h e car is moving, operate t h e Emergency Stop s w i t c h ;

t h e car s h o u l d s top i m m e d i a t e l y a n d t h e alarm b e l l s h o u l d sound . Release t h e emergency s top s w i t c h and push t h e A l a r m b u t t o n a n d v e r i f y t h a t t h i s s w i t c h a l s o a c t i v a t e s t h e alarm b e l l .

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Inspection Made Outside of Hoistway

Using hoistway pushbuttons, call the car to each level, first in the up direction, then down.

OVERALL SYSTEM INSPECTION (Professional Elevator Inspec-tors 1

The following instructions should be accomplished yearly by a professional elevator inspection team. Before beginning, it is important that the inspection team observe the follow-ing precautions:

1.

2.

3 .

4.

5 .

If the car is to be moved during test, a person familiar with the operation of an elevator should be stationed in the car.

The car should be moved only when and as the in-spector directs.

The operator in the car should repeat the inspec-tor's diriction and receive the inspector's O.K.

before moving the car.

To prevent accidental starting of the car, the operator should actuate the Emergency Stop switch in the car immediately following each stop. The switch should remain in this position until the inspector orders the car to be moved to another position.

Extreme care must be exercised during inspections at the elevator's upper and lower limits of travel where the clearance may be insufficient to accom-modate the inspector.

NOTE: Additional precautions are given as applicable in the following paragraphs.

Inspection Made From Car Top

Observe the following precautions before making any inspec-tions from the top of the elevator car:

1. If possible, use an electric lamp attached to an extension cord with a suitable lamp guard and re-flector.

2 .

3 .

4 .

5 .

6.

7.

I !

Make s u r e you h a v e a f i r m a n d s e c u r e place t o s t a n d ; o n e t h a t i s f r e e of o i l a n d grease.

Make s u r e you h a v e a f i r m g r i p on t h e c r o s s h e a d or o t h e r par ts o f t h e car s t r u c t u r e before t h e car i s moved.

T e s t s t r e n g t h of t h e car top before s u b j e c t i n g i t t o y o u r e n t i r e w e i g h t . Avoid s t a n d i n g o n t h e car top emergency e x i t p a n e l .

Keep y o u r body i n s i d e t h e l i m i t s o f t h e car area when t h e car i s moving t o avoid i n j u r y from coun-t e r w e i g h t or p r o j e c t i o n s i n t h e h o i s t w a y .

Check t h e car top o p e r a t i n g p a n e l fo r proper oper-a t i o n . Move car s lowly a n d a c t u a t e t h e Emergency Stop s w i t c h o n t h e car t o p c o n t r o l box t o become a c q u a i n t e d w i t h i t s o p e r a t i o n .

Note a n y o b s t r u c t i o n s or p r o j e c t i o n s of t h e ele-vator e q u i p m e n t or s u r r o u n d i n g s t r u c t u r e . Proceed w i t h i n s p e c t i o n as f o l l o w s :

Examine c o n d i t i o n of a l l w i r e rope f a s t e n i n g s a t t h e dead e n d s ; d e t e r m i n e if t h e e n d s h a v e been p r o p e r l y made up . Examine b a b b i t t e d s o c k e t s , and n o t e a n y b r o k e n wires where t h e rope e n t e r s t h e socket. A l s o n o t e w h e t h e r t h e rope h a s l o s t i t s l a y where i t e n t e r s t h e s o c k e t a n d w h e t h e r a n y s t r a n d s s t a n d o u t . D e t e r m i n e t h a t s u s p e n s i o n m e m b e r s a re s e c u r e l y f a s t e n e d i n place a n d t h a t no b e n d i n g of s u p p o r t i n g members h a s o c c u r r e d .

The car is e q u i p p e d w i t h t w o car s h e a v e s . In spec t -t h e s h e a v e s a n d s h e a v e b e a r i n g s f o r c o n d i t i o n a n d fo r adequacy of l u b r i c a t i o n . Note w h e t h e r t h e sheave b e a r i n g s are s e c u r e l y f a s t e n e d t o t h e f r a m e m e m b e r s . N o t e i f sheave g u a r d s , where r e q u i r e d , are i n place.

Examine c o u n t e r w e i g h t ( t r a c t i o n systems o n l y ) .

Examine t h e w i r e rope f a s t e n i n g s a t t h e c o u n t e r -w e i g h t dead e n d ; d e t e r m i n e if t h e e n d s are pro-p e r l y made up. Examine t h e babbi t ted s o c k e t s , a n d n o t e a n y b r o k e n w i r e s w h e r e t h e rope e n t e r s t h e socket. A l s o n o t e w h e t h e r t h e rope h a s l o s t i t s l a y where it e n t e r s t h e socket a n d w h e t h e r a n y s t r a n d s s t a n d o u t . I n s p e c t t h e c o u n t e r w e i g h t guide shoes to verify they are securely fastened to the assembly. Examine hoisting and governor wire ropes. If ropes are dirty or overlubricated, the dirt or excess lubrication must be removed to permit inspection. In the event there is a lack of headroom when the car is positioned at the top of the hoistway, exercise extreme caution and position the car about four feet below the top before starting rope examination. Again, be be careful so that the inspector is not trapped between the top of the car and the overhead. On all elevators, mark the ropes with chalk to indicate the location of unexamined section of ropes and examine them later. from the machine room, overhead machinery space or the pit, as applicable. Move the car downward a few feet at a time and examine the ropes at each of these stops. Note when broken wires begin to appear.

Any rapid increase in the number of broken wires is significant and should be cause for concern.

Elevator codes usually require rope replacement.

1. If the broken wires are substantially equally distributed among the strands, when the number of broken wires per rope lay in the worst sec-tion of rope exceeds 12. (Use 18 if regular inspections are made monthly.)

2. If wire breaks predominate in one or two strands, when the number of broken wires per rope lay in the worst section of rope exceeds

6. (Use 12 if regular inspections are made monthly. 1

3 . When the actual diameter drops below the value shown below:

Nominal Diameter In Inches 3/ 8 1 / 2 9/16 5/8 1 1 / 1 6 3/4 1 1

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Actual Reduced Diameter (Inches) 1 1 / 3 2 1 5 / 3 2 11/32 31/64 41/64 45/64 15 / i i

NOTE: If one rope needs replacing, all ropes must be replaced.

Inspect all wire rope that is accessible from the car top. Using a piece of chalk, mark the lower limits of

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I I inspection. The remaining wire rope must be inspected from the machinery space.

The lengths of all wire rope in a set of hoisting ropes and consequently the rope tensions should be su.bstantially equal if maximum rope l i f e and ef f i-ciency are to be obtained. If tensions do not appear to be approximately the same, equalization is recom-mended.

Hoisting wire rope (see note following) lubrication should be as defined in the lubrication chart in this section.

NOTE: The governor wire rope should not be lubrica-ted after installation as the lubricant may inter-fere with the ability of the governor jaws to stop the rope.

Check final terminal limit switches for proper opera-tion.

WARNING

THE FOLLOWING PROCEDURE CALLS FOR CAR

MOVEMENT AT THE UPPER LIMITS OF TRAVEL.

EXTREME CARE SHOULD BE TAKEN TO PREVENT

POSSIBLE INJURY WHICH COULD OCCUR I F AN

INSPECTOR BECAME TRAPPED BETWEEN THE

MOVING CAR AND UPPER OBSTRUCTIONS.

THERE I S INSUFFICIENT HEADROOM FOR AN

OPERATING THE :C? AT THE UPPER LIMITS OF

TRAVEL. THEREFORE, WHEN FOLLOWING THE

PROCEDURE GIVEN BELOW AND OPERATING AT

THE UPPER LIMITS OF TRAVEL, THE INSPECTOR

SHOULD OPERATE THE CAR TOP INSPECTION

STATION BY REMAINING I N THE CF'AND OPER-

ATING THE STATION CONTROLS THRU THE CAR

TOP ESCAPE HATCH. EXTREME CARE SHOULD

ALWAYS BE TAKEN TO PREVENT POSSIBLE I N -

JURY WHICH COULD OCCUR I F THE INSPECTOR

SHOULD BECOME TRAPPED BETWEEN THE MOVING

CAR AND UPPER OBSTRUCTIONS.

INSPECTOR To STAND ATOP THE CAR WHEN

Using the car top inspection station, run the car up the hoistway until the final terminal limit switch can be reached by hand. Using an insulated object, open the switch. With the switch.open, try to run the car

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- I -i n b o t h d i r e c t i o n s . I t s h o u l d n o t move, and i f i t does move, s top t h e car i m m e d i a t e l y a n d c h e c k t h e w i r i n g t o t h e s w i t c h . Then c h e c k f a s t e n i n g o f t h e s w i t c h a n d a l i g n m e n t of t h e s w i t c h a n d a c t u a t i n g cam.

The s w i t c h rol ler s h o u l d s t r i k e on t h e bevel s u r f a c e of t h e cam and n o t o n t h e top. I n a d d i t i o n , t h e roller s h o u l d c e n t e r l a t e r a l l y on t h e c a m . R e p e a t p r o c e d u r e ; t h i s t i m e c h e c k o u t t h e lower f i n a l ter-m i n a l l i m i t s w i t c h .

Examine a l l g u i d e ra i l s , p a y i n g p a r t i c u l a r a t t e n t i o n t o t h e c o n d i t i o n of t h e s u r f a c e s a n d t h e correct a l i g n m e n t of t h e j o i n t s . I f s e r i o u s wear or s c o r i n g is f o u n d , d e t e r m i n e i t s c a u s e , i f p o s s i b l e . Note i f r a i l s are f r e e of l i n t a n d d i r t and a d e q u a t e l y l u b r i -c a t e d (see l u b r i c a t i o n c h a r t i n t h i s s e c t i o n ) .

Check t h e f o l l o w i n g f a s t e n i n g s t o d e t e r m i n e w h e t h e r t h e y are sound and t i g h t and t h a t t h e r e a re n o m i s s i n g b o l t s or g u i d e c l i p s :

1. R a i l s t o b r a c k e t s 2 . B r a c k e t s t o s t r u c t u r e 3 . F i s h p l a t e b o l t s 4 . Crosshead c o n n e c t i o n b o l t s 5 . C a r g u i d e shoe/rol ler bo l t s 6 . C o u n t e r w e i g h t s h o e bo l t s ( t r a c t i o n s y s t e m s o n l y 1

Check r a i l a l i g n m e n t by o p e r a t i n g t h e e l e v a t o r car a t t h e ra ted s p e e d f r o m o n e e n d of t r a v e l t o t h e o the r .

T h e r e s h o u l d . b e n o e x c e s s i v e or i r r e g u l a r m o t i o n of t h e car t o i n d i c a t e t h a t t h e car r a i l s are n o t p rop-e r l y a l i g n e d . I t s h o u l d b e noted t h a t m i s a l i g n e d g u i d e r o l l e r s / s h o e s c a u s e t h e same m o t i o n ; t h e r e f o r e , g u i d e ro l le r / shoe a l i g n m e n t s h o u l d be c h e c k e d b e f o r e a t t a c h i n g blame t o t h e r a i l s .

Examine t h e h o i s t w a y a n d car d o o r / g a t e s , t h e i r l o c k i n g and c o n t a c t d e v i c e s , s w i t c h e s , a n d other mechanism t o d e t e r m i n e i f these i t e m s are i n proper work ing o r d e r and s e c u r e l y f a s t e n e d i n place. Make s u r e t h a t all s w i t c h e s are f r e e o f d i r t and l i n t .

Examine t h e t r a v e l i n g cable. O b s e r v e t h r u expanded metal g u a r d . O b s e r v e if t h e cable is b e i n g chafed o n rough s u r f a c e s . Watch p a r t i c u l a r l y f o r a n y e v i d e n c e of b roken w i r e s and damaged i n s u l a t i o n .

I f overhead s h e a v e s are u s e d , t h e y s h o u l d b e examined c a r e f u l l y f o r c r a c k s . I f no cracks are v i s i b l e , i t is p o s s i b l e t o d e t e c t m i n u t e or " h a i r " c r a c k s by cov-e r i n g t h e s u s p e c t e d s e c t i o n w i t h mach ine o i l , a l l o w i n g i t t o s t a n d a few m i n u t e s , w i p i n g o f f t h e s u r p l u s o i l w i t h a r a g or waste, and t h e n c o a t i n g t h e pa r t w i t h c h a l k . The mach ine o i l t a k e n u p by t h e c r a c k w i l l c a u s e a brown s t a i n on t h e c h a l k .

Examine t h e s h e a v e s f o r worn g r o o v e s a n d n o t e whe the r ropes a l l "seat" t o t h e same d e p t h i n t h e g r o o v e s .

Look f o r a n y m i s a l i g n m e n t of s h e a v e s . V e r i f y t h a t b e a r i n g b o l t s are t i g h t . Examine o v e r h e a d members t o d e t e r m i n e t h a t t h e y are s e c u r e l y f a s t e n e d t o s u p p o r t s .

Note a n y s e t t l e m e n t of s u p p o r t s . Examine a l l exposed b o l t f a s t e n i n g s of beams s u p p o r t i n g m a c h i n e r y or s h e a v e s .

W i t h t h e e l e v a t o r d e e n e r g i z e d , make t h e f o l l o w i n g i n -s p e c t i o n s t o v e r i f y p r o p e r o p e r a t i n g c o n d i t i o n of t h e o v e r s p e e d g o v e r n o r :

1. Examine g o v e r n o r s t a n d f a s t e n i n g b o l t s t o de-t e r m i n e t h a t t h e g o v e r n o r i s s e c u r e l y f a s t e n e d i n p l a c e a n d t h a t t h e g o v e r n o r r o p e r u n s f r e e of t h e g o v e r n o r jaws.

2 . Examine a l l l i n k a g e s , p i n s , b u s h i n g s , e t c . , for e v i d e n c e of e x c e s s i v e wear and l o s t mo-t i o n ; a l s o v e r i f y t h a t a l l b e a r i n g s and rub -b i n g s u r f a c e s are f r e e of p a i n t a n d f o r e i g n s u b s t a n c e s .

3 . Examine t h e rope g r i p p i n g s u r f a c e s f o r e v i -d e n c e of e x c e s s i v e wear.

4 . V e r i f y t h a t t h e g o v e r n o r seal i s i n t a c t . N o tes t of t h e g o v e r n o r t r i p p i n g speed is re-q u i r e d u n l e s s t h e seal h a s been d i s t u r b e d , t h e r e is e v i d e n c e t h a t t h e g o v e r n o r s e t t i n g h a s been a l t e r e d , or t h e g o v e r n o r rope h a s been r e p l a c e d w i t h a d i f f e r e n t s i z e mater ia l or c o n s t r u c t i o n . I f t h e g o v e r n o r must be re-set , it s h o u l d be r e t u r n e d t o t h e e l e v a t o r m a n u f a c t u r e r t o be a d j u s t e d a n d t e s t e d .

Examine t h e car s a f e t y mechanism u s u a l l y located a t t h e bottom of t h e e l e v a t o r car. Note w h e t h e r t h e p a r t s are r u s t e d o r caked w i t h d i r t a n d w h e t h e r

I I

1 1 springs are broken. The spring tension in the re-leasing mechanism should be sufficient to prevent the safeties from setting normal operation of the ele-vator, but not sufficient to prevent the safeties from setting when the governor jaws clamp the governor rope.

NOTE: The pull out of the safeties must be tested by a person authorized by rule 1001.1~ of the American National Standard Safety Code for Elevators, Dumbwaiters, Escalators and Moving Walks (ANSI A17.1-1971) and in accordance with the established procedure.

Machinery Inspections

Observe the following precautions before making any inspec-tions in the elevator machinery space:

1. Watch for low headroom at the machinery.

2. Be sure the power supply to the equipment under inspection is opened so that the machin-ery is shut down before inspecting any moving parts, such as motor, brakes, etc.

At the machinery, examine the wire ropes that are acces-sible.

Inspect machinery package mounting bolts to verify that the entire unit is secured to the mounting skid and supporting structure. Note any cracks or other signs of weakening.

Inspect all motor-fastening bolts to determine that they are in place and tight. Make sure the motor is kept clean and free of grease, dust, etc. (Lubrication is in accor-dance with the lubrication chart in this section.)

Inspect the gear reducer by having the elevator operated in each direction, making frequent stops. Observe if there is any excessive play or backlash in the gearing. Unusual noise or play is usually an indication of gear or thrust trouble, or damage to liners, rollers or balls.

Examine all bearings for excessive lost motion or wear.

Note whether bearings are lubricated. The oil level in the gear reducer reservoir should be checked and replenished if necessary.

.. 1 .

Examine traction sheave (traction systems only). Using a hammer, strike the sheave with light blows. If the sound resulting from the blows is dull and flat, unlike the ring given by sound metal, the sheave parts should be examined carefully for cracks. Examine sheave for worn grooves and note whether ropes all seat to the same depth in the grooves. Look for any evidence of misalignment. Verify that bearing bolts are tight. Lubricate in accordance with the lubrication chart in this section.

For winding drum systems, examine car and counterweight (if applicable) rope fastenings in the drum. Note whether there is at least one turn of rope on the drum when the car or counterweight is resting upon its fully compressed buffer. Visually examine and "hammer test" the drum for cracks as described in the previous paragraph.

Examine equipment and verify that any required equipment guards are in place.

With the elevator system deenergized, inspect the motor controller mechanism, wiring and fuses. Examine all relays, switches, contactors, control circuit rectifiers, transformers, condensers, etc., and note:

1. Any excessively worn or burned contacts, hro-ken connectors, broken or cracked resistors.

2. Any fuses which are shorted with wire, solder, metal strips, etc.

3 . Whether the equipment is clean.

4 . Whether there is any accumulation of combus-tible materials, especially on resistors, or on control circuit rectifiers.

5. If there are any excessively worn pin hinges on relays or contactors.

Then with the elevator operating, observe operation of the control equipment when the elevator is run in each direc-tion. Note any abnormal arcing of the contacts, excess heating of coils or resistors, and any misalignment of re-lays, contactors, and switches.

Examine governor tension weight assembly. Note that the rope is properly seated within the sheave, that the tension weight is free to move to maintain proper tension on the

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rope, and t h a t t h e en t i r e a s s e m b l y is s e c u r e l y f a s t e n e d t o t h e t r u n k s t r u c t u r e . Check t h e pos i t ion of t h e t e n s i o n w e i g h t s h e a v e t o make s u r e r o p e h a s n o t s t r e t c h e d e x c e s -s i v e l y . The t e n s i o n w e i g h t s h o u l d be f r e e t o s l i d e and s h o u l d n o t bottom o u t .

I n s p e c t i o n s Made From P i t

B e f o r e a n y i n s p e c t i o n s are made f rom t h e p i t , t h e f o l l o w…