e. Fire Truck Pumper Specifications.pdf

T.O. #36A12-12-24-1

TECHNICAL MANUAL

VOLUME I

OPERATION

OPERATOR MAINTENANCE

MAINTENANCE

PARTS

TRUCK, FIREFIGHTING, STRUCTURAL

TYPE II, STYLE A, A/S32P22 (4x2)

NSN 4210-01-259-8455

TRUCK, FIREFIGHTING, STRUCTURAL

TYPE II, STYLE B, A/S32P24 (4x4)

NSN 4210-01-259-8454

KOVATCH MOBILE EQUIPMENT CORPORATION

One Industrial Complex

Nesquehoning, PA 18240

(717) 669-9461

DISTRIBUTION STATEMENT - Distribution authorized to US Governmentagencies andtheircontractors (Administrative or Operational Use) (04FEB94). Questions concerning technical content should be directed to WR-ALC/ LVRDV. Other requests for this document shall be referred to WR-ALC/TIL TA, Robins AFB; GA 31098-1622.

WARNING - This document contains technical data whose export is restricted by the Arms Export Control Act (Title 22, U.S.C., Sec 2751 etseq.) orthe ExportAdministrative Actof 1979, as amended (Title 50, U.S.C., App. 2401 etseq.).

Violators of these export laws are subject to severe criminal penalties.

HANDLING AND DESTRUCTION NOTICE - Comply with distribution statement and destroy by any method that will prevent disclosure of the contents or reconstruction of the document.

Published under the authority of the Secretary of the Air Force.

Date of Publication: 04FEB94

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Figure 1-1 Type II (4x2)

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Am

Figure 1-2 Type 1l (4x4)

SAFETY SUMMARY

The following are general safety precautions and instructions that people must understand and apply during many phases of operation and maintenance to ensure personal safety and health and the protection of Air Force property. Portions of this may be repeated elsewhere in this publication for emphasis.

PERSONAL PROTECTIVE EQUIPMENT (PPE)

Wear protective clothing/equipment (gloves, apron, eye protection, etc.) approved for the materials, procedures, and tools being used. Contact supervisor for guidance. If necessary, the Bioenvironmental Engineer or the Base Safety Office would be contacted for guidance.

WARNING AND CAUTION STATEMENTS

WARNING and CAUTION statements have been strategically placed throughout this text prior to operating or maintenance procedures, practices or conditions considered essential to the protection of personnel (WARNING) or equipment and property

(CAUTION). A WARNING or CAUTION will apply each time the related step is. repeated. Prior to starting any task, the WARNINGS and CAUTIONS included in this text for that task will be reviewed and understood.

LEAKS IN EXHAUST MANIFOLDS

Leaks in exhaust manifolds, mufflers, or piping must be corrected immediately. Fumes escaping into the cab can result in carbon monoxide poisoning of operating personnel.

MOUNTING/DISMOUNTING VEHICLE

Use extreme caution when mounting and dismounting vehicle and opening engine and vehicle compartments.

DO NOT WEAR JEWELRY

Remove rings, watches, and other metallic objects which may cause shock or burn hazards.

FINGER RINGS

Snagged finger rings have caused many serious injuries. Unless specifically allowed by shop safety procedures, remove finger rings during all maintenance activity.

DO NOT SERVICE OR ADJUST ALONE

Do not attempt internal service or adjustment of equipment unless another person capable of rendering aid and resuscitation is present.

AUXILIARY GENERATOR

Do not connect auxiliary generator to any buildings electrical system without a transfer switch installed by a licensed electrician. Serious injury or death may result to utility workers. and others through hazard of electrical backfeed.

TIRES

Never add air to a tire if its pressure has fallen below 20 psi. The lock ring may become unseated and may fly off when pressure is added. If pressure is below 20 psi, have the tire removed and placed in a tire cage before inflating.

DANGEROUS PRESSURES

Pressure systems precautions apply to all ranges of pressure. Care must be taken during testing to ensure that all connections are proper and tight prior to applying pressure to the test setup; all system u", components must be compatible with pressures applied.

Personnel must be protected by a safety shield or located at a distance sufficient to prevent injury.

Ao"L

77n

TABLE OF CONTENTS

OPERATION & OPERATOR'S MAINTENANCE

INTRODUCTION

Purpose Scope Terms Symbols and Abbreviations Purpose of Equipment Transportability Specifications

DESCRIPTIONSECTION 1.

1-1. General Description 1-2. Vehicle Arrangement 1-3. Chassis/Frame 1-4. Suspension 1-5. Rear Axle 1-6. Front Axle and Steering System 1-7. Air System 1-8. Electrical System 1-9. Engine 1-10. Transmission 1-11. Driveline Assemblies 1-12. Cab Assembly 1-13. Firefighting System 1-14. Body Assembly 1-15. Data Plates 1-16. Power Plant Heater (Optional) 1-17. Driveline Retarder (Optional) 1-18. Power Divider (4X4 only) 1-19. Auxiliary Equipment

SECTION If

2-1. Principles of Operation 2-2. Description and Use of Controls and Indicators 2-3. Accessory Firefighting and Lighting Equipment

Procedures.

2-4. Mobile Operation 2-5. Operating Procedures 2-6. Post Operational Procedures 2-7. Operation Under Unusual Conditions

SECTION III OPERATOR'S

3-1.

3-2.

3-3.

3-4.

3-5.

3-6.

INSPECTION,MAINTENANCE AND LUBRICATION

Operator Troubleshooting Procedures Operator Maintenance and Servicing Instructions

Lubrication Instructions Operator Servicing and Maintenance Cab Servicing and Maintenance Cab Tilt Operation

PAGE

ii

PAGE

1-1 1-1 1-1 1-1 1-1 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2

1-3 1-3 1-3 1-3 1-3 1-3

OPERATION PAGE

2-1 2-1

2-24 2-25 2-27 2-31 2-32

PAGE

3-1 3-1 3-15 3-16 3-19 3-19

FIGURE LIST OF ILLUSTRATIONS

1-1. Structural (4X2) 1250 GPM Firefighting Truck

1-2. Structural (4X4) 1250 GPM Firefighting Truck

2-1. Top Mount Control Panel 2-2. Street Side Control Panel 2-3. Curb Side Control Panel 2-4. Cab Controls and Instruments 2-5. Cab Instrument Panels and Controls 2-6. Electronic Siren Controls 2-7. Rear Platform Controls and Equipment 2-8. Deck Gun Controls 2-9. Portable Generator and Controls 2-10. Vehicle Front Equipment and Controls

2-11. Vehicle Side Equipment and Controls 2-1 2. Piping System 2-13. Gauge System 3-1. Chassis Lubrication Schematic

TABLE

2-1. Gear Range Selection Chart 3-1. Troubleshooting Chart 3-2. Operator Inspection Chart

LIST OF TABLES

TABLE OF CONTENTS - (Continued)

PAGE

2-3 2-7 2-8 2-1 1 2-13 2-17 2-18 2-19 2-20 2-21 2-23 2-33 2-35 3-13

PAGE

2-38 3-1 3-8

--- 4

INTRODUCTION - TYPE 11

PURPOSE. This manual includes the operation and operator maintenance instructions for the USAF Type 2, Style A (4X2) and Style B (4X4) 1250 GPM firefighting vehicles manufactured by Kovatch Mobile Equipment Corporation, One Industrial Complex, Nesquehoning, PA 18240, telephone number (717)-669-9461.

SCOPE. This manual includes general descriptive information regarding the vehicles and their major components, instructions for operation of the vehicles and accessory firefighting equipment, and instructions for operator inspection, lubrication and general maintenance procedures.

TERMS. Throughout this manual, the term 'curb side" means the right side, while the term "street side" means the left side of the vehicle as viewed from the rear.

SYMBOLS AND ABREVIATIONS. The symbols and abreviations used in this manual conform to ANSI Y32.3 titled Graphic Symbols for Electrical Diagrams and and Military Standard 12D, titled Abbreviations for Use on Drawing Specifications, Standards, and in Technical Documents.

PURPOSE OF EQUIPMENT. The vehicle is designed to combat structural fires. The truck will accomplish the firefighting mission by providing water or foam solutions from the self-contained agent tanks or from external supply sources at a rate of 1 250

GPM.

TRANSPORTABILITY. The vehicle may be transported by rail, trailer, drive-away or ship.

I

TYPE 11 SPECIFICATIONS

4 X 2

a. General Type of Vehicle Federal Stock Number Manufacturer Model Vehicle Length Vehicle Width Vehicle Height Capacity/Payload(GVWR) (GVW)(Empty) Loading Cubeage Ground Clearance Angle of Approach/Departure Turning Radius Wheel Base

b. Transmission Make Model/PN Type Normal Operating Temperature Oil Capacity/Type Gear Ratios, 5th Gear Ratios, 4th Gear Ratios, 3rd Gear Ratios, 2nd Gear Ratios, 1 st Gear Ratios, Reverse

c. Transmission W/Retarder Make Model/PN Type Normal Operating Temperature Oil Capacity/Type

Gear Ratios, 5th Gear Ratios, 4th Gear Ratios, 3rd Gear Ratios, 2nd Gear Ratios, 1 st Gear Ratios, Reverse

d. Cooling System Radiator Type

Fan Cooling System Capacity Coolant Heater (Optional)

Make Model

II

Structural 4210-01-259-8455 Kovatch Mobile Equipment Corp.

Renegade MFD 358 in.

96 in.

112 in.

38,400 lb.

24,100 lb.

2.228 cu. ft.

8 in.

21 deg./l4 deg.

39ft. 10in.

192 in.

Detroit Diesel/Allison

MD 3060P/29508609

5 Speed Automatic 1 60 degrees F -200 degrees F

19.0 qt.(18.OL) / Dextron II 0.75:1 1.00:1 1.41:1 1.86:1 3.49:1 -5.03:1

Detroit Diesel/Allison

MD 3060PR/29516340

5 Speed Automatic 160 degrees F - 200 degrees F Dextron II 0:75:1 1.00:1 1.41:1 1.86:1 3.49:1 -5.03:1

Fin & Tube Design, Modine 1A16173 Kysor Cadillac 4035-41393-21 13 Gallon

J.Jeb Mfg.

A2-84-1500-120V

Structural 4210-01-259-8454 Kovatch Mobile Equipment Corp.

Renegade MFD 358 in.

96 in.

120 in.

40,000 lb.

25,200 lb.

2.387 cu. ft.

8 in.

25 deg./17 deg.

41 ft. 7 in.

192 in.

Detroit Diesel/Allison

MD 3060P/29508609

5 Speed Automatic 1 60 degrees F -200 degrees F

19.0 qt.(18.OL) / Dextron II 0.75:1 1.00:1 1.41:1 1.86:1 3.49:1 -5.03:1

Detroit Diesel/Allison

MD 3060PR/29516340

5 Speed Automatic 1 60 degrees F - 200 degrees F Dextron II 0.75:1 1.00:1 1.41:1 1.86:1 3.49:1 -5.03:1

Fin & Tube Design, Modine 1A16173 Kysor Cadillac 4035-41393-21 13 Gallon

J.Jeb Mfg A2-84-1500-120V

4 X 4

SPECIFICATIONS - (Type 11 - Continued)

e. Fuel System Fuel Tank Capacity Primary Fuel Filter

Fuel/Water Separator

f. Engine Type Model

CPL

Number of Cylinders Stroke Displacement Compression Ratio Weight Firing Order Combustion System Aspiration Turbocharger Low Idle Speed No Load Governed Range Rated Horsepower Full Load Speed Peak Torque Peak Torque Speed Oil Capacity Type

g. Cab Manufacturer Model Capacity

h. Non-Driving Front Axle Make Model

i. Driving Front Axle Make Model Ratio Oil Capacity/Type

j. Rear Axle Make Model Ratio Oil Capacity/Type

65 Gallons Diesel Fuel VV-F-800/Grade 2 Primary-Racor RAXOO-235 Secondary-Fleetguard 3903640 Racor 490RP

Cummins

6CTA

5.32 inches

504.5 cubic inches (8.3L) 18.0:1 Dry-1330 1b./wet-1400 lb.

1-5-3-6-2-4 Direct Injection Charge Air Cooled Holset 3922839

700 RPM

2700-2840 RPM

300 @ 2400 RPM

2200 RPM

820ft.lb.

1300 RPM

6.3 Gallons/1 5W40

Kovatch Mobile Custom 5 Person

Equipment Corp.

Rockwell International

FG-941 -CAX-33

Rockwell International

RS-24-1 60

6.43:1

39.5 pints/85W-1 40

65 Gallons Diesel Fuel VV-F-800/Grade 2 Primary-Racor RAX0O-235 Secondary-Fleetguard 3903640 Racor 490RP

Cummins

6CTA

5.32 inches

504.5 Cubic inches (8.3L0

18.0:1 Dry-1330 1b./wet-1400 lb 1-5-3-6-2-4 Direct Injection Charge Air Cooled Holset 3922839

700 RPM

2700-2840 RPM

300 @ 2400 RPM

2200 RPM

820 ft.lb

1300 RPM

6.3 Gallons/1 5W40

Kovatch Mobile Custom 5 Person

Equipment Corp

Eaton Corp.

EDS-1 6S

6.50:1 39 Pints/85W-140

Eaton Corp.

230C4 6.50:1 48 pints/85W-140

4 X 4

k. Steering Type Pump Make

Pump Type Oil Type Gear Capacity

17. Suspensidni Front Rear Front U-Bolt Torque Rear U-Bolt Torque Spring Make Spring Model/PN

Front Rear

Rear Helper Spring Shock Make Shock/PN

Front Rear

m. Wheels Make Type Size Lug Nut Mounting Torque

n. Tires Type Size Pressure

o. Service Brakes Type Air Chamber Make

Brake Size, Front

Brake Size, Rear

p. Air System Compressor Make Compressor Capacity Air Reservoirs Air Reservoir Capacity Air Dryer

Power Eaton 7.5 GPM flow,1500 psi relief Rotary Gear Dexron II Sheppard 492SDR41 6 qts.

Leaf Springs & Leaf Springs 370 ft.-lbs.

575 ft.-lbs.

Hendrickson

Shock Absorbers

82700-0 8779-0 38491-0 International

AMS700102

Budd (R87460) Disc

8.25 x 22.5 475 ft.lb.

General Ameri-Steel 1 6 ply 12R-22.5

115 PSI

Disk MGM 30/36 Front & Rear

15 inch Rotor Diameter X 60 sq.in. lining area.

15.125 inch Rotor Diameter

Holset 3558021

16.0 CFM

Midwest 8095B & 9566 4693 cu. in.

Bendix AD-9, 107953

Power Eaton 7.5 GPM flow,1500 PSI relief Rotary Gear Dexron II Sheppard 592SY51 6 qts.

Leaf Springs & Shock Absorbers Leaf Springs & Shock Absorbers 600 ft.-lbs 575 ft.-lbs Hendrickson

82700-0 8779-0 3849 1-0 International

AMS700 102

AMS700102

Wheel & Rim Su Disc

13.0 X 22.5

750-800 Ft. - lbs.

pply WR44513

Goodyear G178 - 20 ply 445/65R X 22.5

120 PSI

Drum S-Cam Front - MGM 1427114 Rear - Anchor-Lok 30/30 164418 16"X5"

16-112"X7"

Holset 3558021

16.0 CFM

Midwest 8095B & 9566 4693 cu. in.

Bendix AD-9, 107953

4 X 4 lv

P-

4 X2

q. Electrical System Type

(1) Alternator Make Model Output (Cold)Amperes Output (Cold) Volts External Regulator, Rec-tifier

(2) Batteries (Chassis) Make Model Voltage Cold Cranking Amperes Quantity/Vehicle

(3) Lights Headlights

Front Turn Signal Headlamp (Amber)

Front Turn Signal Lens Stop, Turn, Tail Lights Back-up Lights Cab Clearance (Roof) Lights (Amber)

Ladder Rack Warning Lights

Cab Side Turn Signal Indicator (Amber)

Body Side Clearance Lights (Amber) Rear Clearance Lights (Red)

Intermediate Turn Signal/ Clearance Lights

Cab Dome Lights Map Lights Step Lights Telescoping Halogen Lights

Engine Compartment Lights

Rear Scene Lights Pump Compartment

Lights Rear Red Flashing

Warning

Front Red Flashing Warning

12 V DC

Prestolite

4854AA

250 A..

12V.

1112CA

DEKA

12 V. DC

KD Lamp 931-3310 Complete Headlight Assembly

Edison Mfg. 13-H-4651R F.W. Ralley 635-AA Weldon 1-2010-7120 Weldon 3-2010-7100

KD Lamp 501-3101

Federal Mogul 1203A-3 Federal Mogul 92073 & 99178 (Guard)

Federal Mogul 1203A-3

Federal Mogul 1222R

KD Lamp 501-3101 Guest Corp. 807-3-2RB Hella Inc. 62643B Arrow 43799-027

Fire Research Corp. PL51OF

KD Lamp 532-3344 Collins Dynamics FX12

Peterson M391

Unity 300R

Edison Mfg. 13-H-4651R

12 VDC

Prestolite

4854 AA

250 A.

12V.

1112CA

DEKA

12 V.DC

KD Lamp 931-3310 Complete Headlight Assembly

Edison Mfg. 13-H-4651R F.W. Ralley 635-AA Weldon 1-2010-7120 Weldon 3-2010-7100

KD Lamp 501-3101

Federal Mogul 1203A-3 Federal Mogul 92073 & 99178 (Guard)

Federal Mogul 1203A-3

Federal Mogul 122.2R

KD Lamp 501-3101 Guest Corp. 807-3-2RB Hella Inc. 62643B Arrow 43799-027

Fire Research Corp. PL51OF

KD Lamp 532-3344 Collins Dynamics FX12

Peterson M391

Unity 300R

Edison Mfg. 13-H-4651R

4 X 4

V

4 X 2 s

Front Blue Flashing Warning (Optional)

Front Red Intersection Lights

Cabinet Interior Lights Open Cabinet Warning Light

Pump Panel Lights Oscillating Light Bar Low Profile Light Bar

Rear Turn Signal

(4) Starting Motor

Make Model Volts Series Type

(5) Siren Make Model Volts

(6) Horn

(7) Rear View Mirrors

Make Model

(8) Back-up Alarm Make Model

(9) Cab Exhaust Fan Make Model

(10) Defroster Fan Make Model

r. Firefighting System

(1) Water Tank

Capacity Construction

(2) Foam Tank Capacity

Construction

(3) Heat Exchanger

Make Model

Edison Mfg. 13-H-4651B

Whelen MC100HI Peterson M393C

KD Lamp 501-3601 Weldon 3-2025-7130 Federal Signal Corp. ADL5255 Public Safety Equipment AS10 Weldon 2-2000-7100

Delco Remy Series 42MT 1993795

42MT

Federal Signal Corp.

PA300 MSC

12 VDC

Delco 1892163

Velvac L/H Assembly 708211-5 R/H Assembly 708212-5

Federal Signal Corp.

Evans Products

HV212379

Hupp Co.

97-14

750 Gallons Polypropylene

25 Gallons Class "A" 25 Gallons Class "8" Polypropylene

Monitor Products

Edison Mfg. 13-H-4651B

Whelen MC100HI Peterson M393C

KD Lamp 501-3601 Weldon 3-2025-7130 Federal Signal Corp. ADL5255 Public Safety Equipment AS10 Weldon 2-2000-7100

Delco Remy Series 42MT 1993795

42MT

Federal Signal Corp.

PA300 MSC

12 VDC

Delco 1892163

Velvac L/H Assembly 708211-5 R/H Assembly 708212-5

Federal Signal Corp.

Evans Products

HV212379

Hupp Co.

97-14

750 Gallons Polypropylene

25 Gallons Class "AX 25 Gallons Class "B Polypropylene

Monitor Products vI

(4) Water Pump Make.

Model Capacity Gear Case Oil

Capacity/Type Gear Pump Ratio.

(5) Priming Pump Make Model Oil Capacity/Type

(6) Monitor Make Model Rating

Deck Mount Portable

(7) Foam System Make Model

(8) Digital Flow Meter Make Model

s. Accessory Firefighting Equipment

(1) 6000 Watt Generator Make Model Type Fuel Type

(2) Ladder Rack Make Model

t. Air Conditioning Make Model

Front Rear Freon

Y.

Hale Fire Pump Co.

QSG 125

1250 GPM

4.0 qts. / 90W 2.28:1

Hale Fire Pump Co.

SMP-12

4.0 qts. / SAE 30W

Elkhart Brass Mfg. Co.

8297-25

1250 GPM

1000 GPM

Fire Research

MF100

Span Instrument Flowminder FMT330

T&J Manufacturing Inc.

6W-194 6000 W.

Diesel

Ziamatic Corp.

LAS- 1200-03

Kysor Westran

KA300

HD1000

R1 34a

Hale Fire Pump Co.

QSG 125

1250 GPM

4.0 qts. / 90W 2.28:1

Hale Fire Pump Co.

SMP-1 2

4.0 qts. / SAE 30W

Elkhart Brass Mfg. Co.

8297-25

1250 GPM

1000 GPM

Fire Research

MF1 00

Span Instruments Flowminder FMT330

T&J Manufacturing Inc.

6W-194 6000 W Diesel

Ziamatic Corp.

LAS- 1 200-03

Kysor Westran

KA300

HD1000

R134a viA

THIS PAGE INTENTIONALLY LEFT BLANK

vili

SECTION 1. DESCRIPTION

1-1. GENERAL DESCRIPTION.

a. The Type iI Structural 1250 GPM firefighting vehicles are a commercial type, front wheel steer, truck cab and chassis (4X2 and 4X4) powered by a 8.3 liter diesel engine. The vehicles are equipped with a mid-ship mounted, centrifugal single stage 1250 GPM fire pump which is driven by the truck engine. A frame mounted 750 gallon water tank is also installed on all vehicles. The vehicles are also equipped with an around-the-pump proportioning foam system consisting of one (1) foam liquid tank equally divided into two (2) individual sections of 25 gallons each for each for operation with Class "A" and Class "B" foam concentrate, eductor, metering valve and related control valves and piping. The vehicles have the capability of pumping from hydrant, draft, or other external water supplies.

b. The vehicles are designed for use world-wide for the purpose of providing quick response for suppression and extinguishment of real property and material fires under extreme climatic conditions. The 4X2 vehicle is designed for use on paved surfaces and unimproved roads with ice, snow or mud surfaces.

The 4X4 vehicle is designed for use of paved surfaces and unimproved roads with ice, snow or mud surfaces and on cross-country terrain.

c. The firefighting vehicles are capable of satisfactory performance in any normal ambient temperature from + 125 F (51.6 C) to -20 F (-28.8 C). It will deliver the following rated pumping capacities at any elevation to 1000 feet at the above stated temperatures.

GALLONS

PER MINUTE

PRESSURE

P.S.I.

RPM

The vehicle, when fully loaded with all accessory firefighting equipment, filled foam and water tanks, fuel tank, and crew, are capable of the following road performance at sea level.

(1) Attaining a 55 mph speed on a dry, level, paved roadway.

(2) Negotiating a 30% grade in both forward and reverse speed ranges.

(3) Service brakes holding the vehicle on a 30% grade in both ascending and descending positions.

(4) Service brakes bringing the vehicle to a stop within'a braking distance of 35 feet from a speed of 20 mph (32.2 km/h) on a dry, level paved roadway.

(5) Parking brake holding the vehicle on a 30% grade in both ascending and descending positions.

(6) Accelerate from a standing start to 35 mph in 30 seconds on a dry, level, paved roadway.

(7) Accelerate from a standing start to 1 5 mph in 200 feet on a dry, paved 8% grade.

1-2. VEHICLE ARRANGEMENT. The 4X2 and 4X4 vehicles are complete with all primary assemblies and support equipment required for firefighting purposes. They are described in paragraphs 1-3 through 1-19.

1-3. CHASSIS/FRAME. The 4X2 chassis is a four

(4) wheel, rear drive, standard commercial chassis, with front engine mounting. The front axle is a straight "I" beam style with double acting shock absorbers.

The rear axle is a single reduction, full floating type with an automatic acting increased traction device.

All axles have leaf springs with spring stops to cushion contact of the spring with the frame. The 4X4 chassis is a four (4) wheel all wheel drive, standard commercial chassis with front engine mounting.

The front driving and rear axles are hypoid gear axles, with double acting shock absorbers. All axles have leaf springs with spring stops to cushion contact of the spring with the frame.

1-4. SUSPENSION. The front and rear suspension of both vehicles are single axle type with leaf springs and spring stops. The front axle of both vehicles are equipped with double acting shock absorbers. The rear axle on the 4X4 is also equipped with double acting shock absorbers.

1-5. REAR AXLE. The rear axle on both vehicles is a single reduction, full floating Type with a hypoid gear ring and drive pinion with a limited slip differential.

The 4X4 rear axle is equipped with a driver controlled power divider used to transfer power to the front drive axle. The 4X2 is equipped with dual rear 1 2R22.5 tubeless steel radial tires with highway type tread.

The 4X4 is equipped with single rear 445/65RX22.5 tubeless steel radial tires with non-directional off roadtype tread.

1-1

1-6. FRONT AXLE AND STEERING SYSTEM.

The 4X2 front axle is a non-driving straight '"I beam style equipped with steering knuckles. The 4X4 front axle is a front driving hypoid gear axle equipped with steering knuckles with power engagement controlled by the driver. The steering system of both vehicles is a gear driven, power-assisted, hydraulic type, steering mechanism capable of steering the vehicle under normal or power assist failure operations. The 4X2 is equipped with single front 12R22.5 tubeless steel radial tires with highway type tread. The 4X4 is equipped with single front 445/65RX22.5 tubeless steel radial tires with non-directional off road type tread.

1-7. AIR SYSTEM. The vehicles are equipped with an air compressor, air dryer, air tanks and valves.

These provide air for the dual air activated, automatic adjusting, four wheel disc brakes, on the 4X2 and the air activated four (4) wheel S-cam drum brakes on the 4X4.

1-8. ELECTRICAL SYSTEM. The vehicles are equipped with a conventional 12 VDC, negative ground starting and lighting system. The alternator provided with the vehicle is capable of supplying 12 volt 250 ampere power. The vehicle is equipped with a polarized receptacle for station charging thefour (4) batteries. The receptacle is located near the driver's cab door.

1-9. ENGINE. The vehicles are equipped with a Cummins 6CTA, 6 cylinder liquid-cooled, turbocharged diesel engine rated at 300 horsepower at 2400 RPM.

The engine is equipped with a turbocharger, oil cooler, full flow oil filter, fuel oil filter, air cleaner, air compressor, fan, emission control system, and starting motor.

1-10. TRANSMISSION. The electronically controlled automatic transmission provides five (5) forward speeds and one (11 reverse using constant mesh and synchronized gearing for both type vehicles.

Gear shifting is done with a cab instrument panel mounted pushbutton shift selector with digital display.

1-11. DRIVELINE ASSEMBLIES. The 4X2 vehicle incorporates two (2) driveline assemblies: (1) transmission to pump; (2) pump to rear axle. The 4X4 vehicle incorporates three (3) driveline assemblies:

(1) transmission to pump; (2) pump to rear axle; (3) rear axle to front axle. All driveline assemblies have slip joints which allow the shaft lengths to vary as the axle(s) move in the suspension.

1-12. CAB ASSEMBLY. The cab is a standard four (4)door fully enclosed cab. The cab instrument panels provide the controls and instruments necessary to monitor and control the performance of the vehicle.

Seating is provided for two (2) crew members in the front of the cab and three (3) in the rear. Seat belts and shoulder straps are provided for each seated position.

1-13. FIREFIGHTING SYSTEM. The firefighting system consists of a water tank with an integral two

(2) compartment foam tank, pump, piping, controls and equipment for discharging, filling, draining, and flushing the firefighting agents.

a. Pump. The pump is a Hale QSG 125 single stage centrifugal pump. The pump is midship mounted and powered by the engine. The pump is designed to operate at up to 250 psi net pump pressure.

b. Water Tank. The water tank is of polypropylene construction, with a capacity of 750 gallons. Baffle partitions in the tank prevent surges while the vehicle is maneuvering. The tank is provided with a filler neck and a hinged gasketed cover. The fill neck also includes a removable strainer to prevent entry of foreign matter in the tank during refill operations. The tank can also be filled from the midship pump during pumping operations. The controls are located on the top mounted control panel.

c. Foam Tank. The foam tank is of polypropylene construction with a capacity of 25 gallons each, Class "A" and Class "B" foam concentrate. Baffles in the tank prevent excessive foaming of the liquid. The tank has a splash-proof vent directed toward the ground.

The foam tank has a filler neck, incorporating a removable strainer, to facilitate filling the tank from a standard 5 gallon container and is integral with the water tank. Valve controls are located on the top mounted control panel.

d. Foam System. The foam system is connected to the fire pump. When the foam system valves are open, a portion of the discharge water from the pump flows through an eductor, creating a venturi effect, drawing foam concentrate from the selected foam tank into the water. This solution is introduced into the suction line of the pump and is discharged. A metering valve controls the flow rate of water entering the system to create the desired foam/water proportion.

e. Top Mounted Control Panel. The top mounted control panel is located aft of the cab at the front of the body with a walk through area accessible from either side of the vehicle. The panel contains all controls

1-2 and indicators for the pumping operations. The panel is illuminated for night operations.

1-14. BODY ASSEMBLY. The body, which is separated from the cab, includes the pump compartment, top mounted pump operator's control panel, side control panels, hose beds, power ladder rack on curb side, and various storage compartments for the auxiliary firefighting equipment.

1-15. DATA PLATES. Engine start up, wiring layout/index, product identification and rustproofing plates are located in the cab. Operating instructions, pump delivery rates, foam metering chart, foam instructions plates are located on the pump control panel to assist personnel in firefighting operations.

Identification markings are affixed to a license place on the rear of the vehicle. Controls and indicators are identified to achieve the best performance from the firefighting vehicles.

1-16. POWER PLANT HEATER (Optional). The engine coolant heater operates on 110 volt A.C. 60 Hertz and is wired through a junction block to a single three (3) prong slave receptacle located on the street side of the cab. A three (3) wire connecting cable, 25 feet long to supply power to the heater is provided.

The heater is installed in the engine block behind the alternator.

1-17. HYDRAULIC DRIVELINE RETARDER

(Optional, 4X2 and 4X4). The hydraulic driveline retarder is located at the output of the transmission.

The retarder consists of a vaned rotor turning in a vaned cavity which fills with oil when engaged and applies the retarder clutch to slow the vehicle. The control for the retarder is dash mounted in the cab.

1-18. POWER DIVIDER (4X4 Only). The 4X4 is equipped with a power divider mounted on the rear axle which allows for driver controlled application of drive torque to the front axle. The engagement control for the power divider is dash mounted in the cab.

1-19. AUXILIARY EQUIPMENT. Auxiliary equipment provided with the vehicle includes the following:

1. 2-1/2 gallon water fire extinguisher

2. (2) 80 ABC dry chemical extinguishers

3. 35' 3-section tongue/groove ladder

4. (2) 6" X 10' lightweight suction hose

5. 6" suction strainer

6. 10' folding ladder

7. 14' roof ladder w/hooks

8. 10' pike pole

9. 6 lb. flat head axe

10. 6 lb. pick head axe

11. 6' pike pole 1 2. (2) portable hand lights 1 3. double female swivel

14. (4) combination spanner wrenches/brackets 1 5. (2) hydrant wrenches 1 6. double-gated reducing leader wye

17. (2) double female adapter 1 8. (2) double male adapter 1 9. rubber mallet

20. (2) salvage covers

21. (2) wheel chocks

22. spare wheel/tire

23. 6000 watt generator/diesel engine assembly

1-3

THIS PAGE INTENTIONALLY LEFT BLANK

SECTION II.

2-1. PRINCIPLES OF OPERATION. This sectii contains detailed instructions on the mobile operati' of the firefighting vehicles and on coordinating t basic firefighting operations for which the vehicl were designed. This section also describes, locatE and illustrates all controls, indicators, and vario

~~V' equipment.

2-2. DESCRIPTION AND USE OF CONTROl AND INDICATORS. Figures 2-1 through 2-illustrate the location of the controls and indicato The controls and indicators will allow you to get t best performance from the vehicles if used proper The item number in each descriptive paragraph tE you the number of the control, indicator or piece equipment, you should look for in the correspondi illustration.

2-2.1. Top Mounted Controls (See Figure 2-1

2-2.1.1. Primer Control Knob. The primer cont knob (1) is used to electrically activate the prin pump which allows air to be drawn from the pump a replaced with water. Pull out primer control knob a hold out until water is discharged from the pump. Al prime is achieved, release knob.

2-2.1.2. Engine Cooler Control Handle. T engine cooler control handle (2) is used to control l flow of water through the engine cooler. The valve closed when the handle is in the horizontal positi Turn the handle counterclockwise to open.

2-2.1.3. Discharge Digital Flowmeter. Discha digital flowmeter (3) indicates the water flow rate 1990 GPM) at discharge outlet #3.

2-2.1.4. Pump Control Panel Light Switch. 1 pump control panel light switch (4) activates the pu control panel lights. To activate the panel lights, p the switch up. Push the switch down to deactival

2-2.1.5. Generator Control Switch. The genera control switch (5) is a two (2) position toggle swi used to control power to the generator ignition. P the switch UP to turn the ignition ON. Push DOWl

_ turn the ignition OFF.

2-2.1.6. Generator Start Switch. The genere start switch (6) is a two (2) position, temporary toggle switch. To operate, push the switch UP. W the generator starts, release switch.

TYPE 11 OPERATION

on 2-2.1.7. Generator Indicator Light. The generator on indicator light (7) is an amber light which is illuminated he when the generator is running.

es es, 2-2.1.8. Discharge Pressure Gauge. Discharge us pressure gauge (8) indicates water pressure (0-600 psi) at discharge outlet #4.

LS 2-2.1.9. Passenger Telescoping Quartz Light 1 2 Switch. The passenger telescoping Quartz light

rs. switch (9) activates the 1 500W Quartz light. To he activate the light, push the switch UP. Push the switch

ly. DOWN to deactivate.

ills of 2-2.1 .10. Driver Telescoping Quartz Light ng Switch. The driver telescoping Quartz light switch

(10) activates the 1 500 W Halogen light. To activate, the light, push the switch UP. Push the switch DOWN to deactivate.

:rol 2-2.1 .1 1. Rear Scene Light Switch. The rear ier scene light switch (11) activates the rear scene lights ind during firefighting operations. To activate the rear ind scene lights, push the switch up. Push the switch ter down to deactivate.

2-2.1.12. Discharge Pressure Gauge. Discharge 'he pressure gauge (12) indicates water pressure (0-600 the psi) at discharge outlet #5.

e is

on. 2-2.1.13. Pump House Light Switch. The pump house light switch (1 3) activates the lights on the pump house. To activate the lights, push the switch rge UP. Push the switch DOWN to deactivate.

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2-2.1.14. Cabinet Light Switch. The cabinet light switch (14) activates the lights in all equipment cabinets.

rhe To activate the lights, push the switch UP. Push the mp switch DOWN to deactivate.

ush

:e. 2-2.1.1 5. Compartment Light Indicator Light.

The compartment light indicator light (15) is illuminated itor when the equipment compartment lights are on.

itch ush 2-2.1.16. Tank Drain Switch. The tank 'drain N to switch (16) is used to open/close the water tank drain.

To open, push the switch UP. To close, push the switch DOWN, ator on, 2-2.1.17. Rear Discharge Digital Flowmeter.

hen The rear discharge digital flowmeter (17) indicates the water flow rate (0-1990 GPM) at the rear discharge.

2-1

2-2.1.18. Tank Water Level Gauge. The tank water level gauge ( 18) automatically registers the tank water level from refill to full during discharge and filling operations.

2-2.1.19. Deck Gun Digital Flowmeter. The deck gun digital flowmeter (1 9) indicates the water flow rate (0-1990 GPM) at the deck gun.

2-2.1.20. Tank To Pump Switch. The tank to pump switch (20) is used to open/close the tank to pump valve to control the flow of water from tank to pump. To open the valve, push the switch UP. To close, push the switch down.

2-2.1.21. Pump Intake Gauge. The pump intake gauge (21) indicates the amount of suction on the suction side of the pump. (30 in. Hg. to 0 to 600 psi).

2-2.1.22. & 2-2.1.23. U.L. Vacuum and Pressure Test Panel. The U.L. Vacuum and pressure test panel contains vacuum (22) and pressure (23) test ports which are used to attach test gauges to check the accuracy of the compound and pressure master gauges. The vacuum test port contains a 1/4 inch plug. The plug is removed by turning counterclockwise using a 9/1 6 inch box-end wrench. The test gauge is attached to the port by turning clockwise. The pressure test port contains a 1/4 inch plug. The plug is removed by turning counterclockwise using a 9/16 inch box-end wrench. The test Gauge is attached to the port by turning clockwise.

2-2.1.24. Pump Pressure Gauge. The pump pressure gauge (24) indicates the amount of pressure on the discharge side of the pump. (30 in. Hg. to 0 to 600 psi).

2-2.1.25. Class B Foam Metering Valve. The Class B foam metering valve (25) is used to control the amount of foam solution entering the pumping system.

To increase the flow, turn the valve knob counterclockwise. To decrease the flow, turn the valve knob clockwise.

2-2.1.26. Class A Foam Metering Valve. The Class A foam metering valve (26) is used to control the amount of foam solution entering the pumping system.

To increase the flow, turn the valve knob counterclockwise. To decrease the flow, turn the valve knob clockwise.

2-2.1.27. Lower Speedlay Discharge Pressure Gauge. The lower speedlay discharge pressure gauge (27) indicates water pressure (0-600 psi) at the lower speedlay discharge outlet.

2-2.1.28. Foam Flush Valve Control Handle.

The foam flush valve control handle (28) is used for flushing the foam system. The valve is closed when the handle is in the horizontal position. Turn the handle counterclockwise to open.

2-2.1.29. Middle Speedlay Discharge Pressure Gauge. The middle speedlay discharge pressure gauge (29) indicates water pressure (0-600 psi) at the middle speedlay discharge outlet.

2-2.1.30. Tachometer. The tachometer (30) is used to measure engine revolutions per minute in hundreds.

2-2.1.31. Upper Speedlay Discharge Pressure Gauge. The upper speedlay discharge pressure gauge (31) indicates water pressure (0-600 psi) at the upper speedlay discharge outlet.

2-2.1.32.

engine oil pressure.

Engine Oil Pressure Gauge. The pressure gauge (32) indicates engine oil Normal operating pressure is 45-60 psi.

2-2.1.33. Engine Oil Pressure Warning Light.

The oil pressure warning light (33) is used to warn the operator of low oil pressure. When the oil pressure drops below 10 psi, the light will come on.

2-2.1.34. Engine Water Temperature Gauge.

The engine water temperature gauge (34) indicates engine water (coolant) temperature. Coolant temperature should not exceed 212 degrees F. Normal operating temperature is 1 90 degrees F.

2-2.1.35. Engine Water Temperature Warning Light. The engine water temperature warning light

(35) illuminates when the engine is overheating.

2-2.1.36. Discharge Pressure Gauge. Discharge pressure gauge (36) indicates water pressure (0-600 psi) at discharge outlet #2.

2-2.1.37. Transmission Temperature Warning Light. The transmission temperature warning light

(37) flashes when the transmission oil temperature exceeds 250 degrees F.

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2-2.1.38. Transmission Temperature Gauge.

The transmission temperature gauge (38) indicates the transmission oil temperature.

2-2.1.39. Fuel Level Warning Light. The fuel level warning light (39) illuminates when the fuel tank level drops below 1(8 of a tank (8 gallons).

2-2.1.40. Pump Temperature Warning Light.

The pump temperature warning light (40) illuminates when the oil temperature exceeds 250 degrees F.

2-2.1.41. Audio Warning Alarm. The audio warning alarm (41) is activated in conjunction with the engine water temperature, engine oil pressure, fuel level, pump transfer case temperature, or transmission temperature warning lights to audibly warn the operator of the respective detrimental operating condition.

2-2.1.42. Discharge Pressure Gauge. Discharge pressure gauge (42) indicates water pressure (0-600 psi) at discharge #1.

2-2.1.43. Discharge Outlet Control Handle.

Discharge outlet control handle (43) controls the flow of water to the 2-1/2 inch streetside discharge outlet #1. To open, push the handle DOWN. To close, push

Nam./ the handle UP.

2-2.1.44. Discharge Outlet Control Handle.

Discharge outlet control handle (44) controls the flow of water to the 2-1/2 inch streetside discharge outlet #2. To open, push the handle DOWN. To close, push the handle UP.

2-2.1.45. Upper Speedlay Discharge Control Handle. The upper speedlay discharge control handle (45) controls the flow of water to the upper speedlay discharge outlet. To open, push the handle DOWN. To close, push the handle UP.

2-2.1.46. Middle Speedlay Discharge Control Handle. The middle speedlay discharge control handle (46) controls the flow of water to the middle speedlay discharge outlet. To open, push the handle DOWN. To close, push the handle UP.

2-2.1.47. Lower Speedlay Discharge Control Handle. The lower speedlay discharge control handle (47) controls the flow of water to the lower speedlay. To open, push the handle DOWN. To close, push the handle UP.

2-2.1.48. Foam Type B Control Handle. The foam Type B control handle (48) is used to control the flow of Type B foam solution from the foam tank. To open, push the handle DOWN. To close, push the handle UP.

2-2.1.49. Foam Type A Control Handle. The foam Type A control handle (49) is used control the flow of Type A foam solution from the foam tank. To open, push the handle DOWN. To close, push the handle UP., 2-2.1.50. Throttle Control Knob. The throttle control knob (50) regulates the engine speed from the control panel. Turn counterclockwise to increase engine speed. Turn clockwise to decrease engine speed.

2-2.1.51. Safe Pumping Mode Light. The safe pumping mode light (51) illuminates when the transmission is properly engaged in fourth 14th) gear lockup and it is safe to initiate pumping.

2-2.1.52. Pressure Relief Valve Control Handwheel. The pressure relief valve control handwheel (521 controls the pressure valve at which the pressure relief valve opens. Turning the handwheel clockwise increases the pressure value at which the valve opens. Turning the handwheel counterclockwise decreases the pressure value at which the valve opens.

2-2.1.53. Pressure Relief Valve Indicator Light.

The pressure relief valve indicator light (53) is used to indicate when the relief valve is functioning. When the amber light is illuminated, the relief valve is open.

2-2.1.54. Drive Water Control Handle. The drive water control handle (54) is used to allow water to mix with foam solution. To operate, move the handle DOWN to open, and UP to close.

2-2.1.55. Deck Gun Discharge Control Handle.

The Deck Gun Discharge Control Handle (55) controls the flow of water to the deck gun. To open, push the handle DOWN. To close, push the handle UP.

2-2.1.56. Tank Fill Control Handle. The tank fill control handle (56) is used to control the flow of water from the pump to the tank. To open, push the handle DOWN. To close, push the handle UP.

2-5

2-2.1.57. Discharge Outlet Control Handle.

Rear discharge outlet control handle (57) controls the flow of water to the rear 2-1/2 inch discharge outlet.

To open, push the handle DOWN. To close, push the handle UP.

2-2.1.58. Discharge Outlet Control Handle.

Discharge outlet control handle (58) controls the flow of water to the 2-1/2 inch curbside discharge outlet #5.

To open, push the handle DOWN. To close, push the handle UP.

2-2.1.59. Discharge Outlet Control Handle.

Discharge Outlet Control Handle (59) controls the flow of water to the 2-1/2 inch discharge outlet #4. To operate, move the handle DOWN to open and UP to close.

2-2.1.60. Discharge Outlet Control Handle.

Discharge outlet control handle (60) controls the flow of water to the 3 inch discharge outlet #3. To open, push the handle DOWN. To close, push the handle

UP.

2-2.1.61. Rear Suction Bleeder. The rear suction bleeder (61) is used to bleed air from the rear suction line when priming to draft water through the rear suction. The valve is closed with the handle in the horizontal position. To OPEN, turn the valve counterclockwise.

2-2.1.62. 5 Inch Rear Suction Inlet Handwheel.

The suction inlet control handwheel (62) is used to operate the 5 inch rear suction inlet. To operate, turn the handwheel clockwise to OPEN the valve, counterclockwise to CLOSE.

2-2.2. Street Side Control Panel (See Figure 2-2).

2-2.2.1. Panel Lights. The panel lights (1) illuminate the pump panel and are controlled by a switch (4, Figure 2-1) on the pump operator's control panel.

2-2.2.2. Discharge Outlet #1. Discharge outlet #1 (2) is a 2-1/2 inch discharge used for primary or secondary firefighting operations. The outlet is equipped with a 45 degree downward turn male end discharge gate and a gasketed rocker lug cap and chain.

2-2.2.3. Discharge Outlet #2. Discharge outlet #2 (3) is a 2-1/2 inch discharge used for primary or secondary firefighting operations. The outlet is equipped with a 45 degree downward turn male end discharge gate and a gasketed rocker lug cap and chain.

2-2.2.4. 6 Inch Suction Inlet. The 6 inch suction inlet (4) is used for connection of a 6 inch hard suction hose. The inlet is provided with a removable strainer and protective cap.

2-2.2.5. 2-1/2 Inch Suction Inlet. The 2-1/2 inch suction inlet (5) is used for connection of a 2-1/2 inch suction hose for firefighting operations. The inlet is a female swivel type with gasket equipped with a rocker lug plug and removable strainer.

2-2.2.6. Suction Drain Conteol. The suction drain control (6) is used to drain suction inlet (5). To operate, turn he handle counterclockwise from horizontal to OPEN and clockwise to horizontal to

CLOSE.

2-2.2.7. 2-1/2 Inch Suction Inlet Control Handle. The suction inlet control handle (7) is used to operate the 2-1/2 inch suction inlet. To operate, move the handle UP to open the valve, DOWN to close.

2-2.2.8. Electrical Output receptacles. The electrical output receptacles (8) are energized by the auxiliary generator to supply 120V, 13A, 60 Cycle power.

2-2.2.9. Rear Discharge Drain Control. The rear discharge drain control (9) is used to drain the rear discharge. To operate, turn the handle counterclockwise from horizontal to OPEN, and clockwise to horizontal to CLOSE.

2-2.210. Discharge #2 Drain Control.

Discharge #2 drain control (10) is used to drain the 2-1/2 inch discharge outlet #2. To operate, turn the handle counterclockwise from horizontal to OPEN, and clockwise to horizontal to CLOSE.

2-2.2.11. Master Drain Control. Master drain control (11) is used to drain the pump and pumping system. To operate, pull handle out to OPEN and push in CLOSE.

2-2.2.12. Discharge #1 Drain Control.

Discharge #1 drain control (12) is used to drain the 2-1/2 inch discharge outlet #1. To operate, turn the handle counterclockwise from horizontal to OPEN, and clockwise to horizontal to CLOSE.

2-2.2.13. Deck Gun Discharge Drain Control.

The deck gun discharge drain control (13) is used to drain the deck gun. To operate, turn the handle counterclockwise from horizontal to OPEN, and clockwise to horizontal to CLOSE.

2-6

1. Pump Panel Ught 9. Rear Discharge Drain

2. Discharge #1 10. Discharge #2 DraIn

3. Discharge 2 11. Master Drai

4. SuctIon Inlet 12. Discharge #1 Drain S. AwL Suction 13. Dec* Gun Drain

6. Suction Dnin Control 14. RPM Counter Connection

7. AwL Suction Control HNOde 15. AIr Inlet S. Electrcal Receptced 16. Manual Ovendke

17. Air une Valve

Figure 2-2 Street Side Control Panel

1. Pump Panel Ught

2. Discharge #4

3. Discharge #5

4. Ladder Rack Controls

5. Discharge #3

6. Suction Inlet

7. Direct Tank Fill Control Handle . Tank Fil Drain Control

9. Direct Tank Fil

10. Discharge #3 DraIn

11. Discharge #5 Drain

12. Discharge #4 Drain

13. Electrical Receptacle

14. Aux Suction

15. Suction Drain Control

16. AuxL Suction Control Handle

Figure 2-3 Curb Side Control Panel

2-8

2-2.2.14. RPM Counter Connection. The RPM counter connection (14) is used to check pump revolutions with a test revolution counter.

2-2.2.15. Brake System Air Inlet. A quick disconnect coupling (15) is provided for charging the air tanks to ensure that an adequate supply of air is available to operate the brake system during maintenance.

2-2.2.16. Manual Override. The manual override

(16) is used to override the pump power shift (58, Figure 2-5) in the event the power shift is inoperative.

To operate, place the power shift (58, Figure 2-5) in the neutral (center) position and transmission in neutral (35, Figure 2-5). Pull the handle OUT for pump mode and push IN for road mode.

2-2.2.17. Air Line Valve. The air line valve (17) is used to open/close the air line to the air inlet connection.

The valve is OFF with the handle in the horizontal position. To OPEN, turn the handle counterclockwise.

2-2.3. Curb Side Controls. (See Figure 2-3).

2-2.3.1. Panel Lights. The panel lights (1) illuminate the pump panel and are controlled by a switch (4, Figure 2-1) on the pump operator's control panel.

2-2.3.2. Discharge Outlet #4. Discharge outlet Nftwp/ #4 (2) is a 2-1/2 inch discharge used for primary or secondary firefighting operations. The outlet is equipped with a 45 degree downward turn male end discharge gate and a gasketed rocker lug cap and chain.

2-2.3.3. Discharge Outlet #5. Discharge outlet #5 (3) is a 2-1/2 inch discharge used for primary or secondary firefighting operations. The outlet is equipped with a 45 degree downward turn male end discharge gate and gasketed rocker lug cap and chain.

2-2.3.4. Ladder Rack Controls. The ladder rack controls (4) are used to raise and lower the ladder rack. The controls consist of a two (2) position (ON/ OFF) toggle switch and a three (3) position, center OFF, momentary toggle switch. Also, a visual and audible alarm is mounted above the switches which is activated when the ladder rack is activated.

2-2.3.5. Discharge Outlet #3. Discharge outlet #3 (5) is a 3 inch discharge used for primary or secondary firefighting operations. The outlet is equipped with a 45 degree downward turn male end discharge gate and a gasketed rocker lug can and chain.

2-2.3.6. 6 Inch Suction Inlet. The 6 inch suction inlet (6) is used for connection of a 6 inch hard suction hose. The inlet is provided with a removable strainer and protective cap.

2-2.3.7. Direct Tank Fill Control Handle. The direct tank fill control handle (7) controls the flow of water to the tank. To operate, move the handle DOWN to close and UP to open.

2-2.3.8. Tank Fill Drain Control. The tank fill drain control (8) is used to drain the direct tank fill inlet. To operate, turn the handle counterclockwise from horizontal to OPEN, and clockwise to horizontal to

CLOSE.

2-2.3.9. Direct Tank Fill. The direct tank fill (9) is a 2-1/2 inch connection used for direct filling of the water tank from a pressure source.

2-2.3.10. Discharge #3 Drain Control. Discharge #3 drain control (10) is used to drain the 3 inch discharge outlet #3. To operate, turn the handle counterclockwise from horizontal to OPEN, and clockwise to horizontal to CLOSE.

2-2.3.11. Discharge #5 Drain Control. Discharge #5 drain control (11) is used to drain the 2-1/2 inch discharge outlet #5. To operate, turn the handle counterclockwise from horizontal to OPEN, and clockwise to horizontal to CLOSE.

2-2.3.12. Discharge #4 Drain Control. Discharge #4 drain control (12) is used to drain the 2-1/2 inch discharge outlet #4. To operate, turn the handle counterclockwise from horizontal to open, and clockwise to horizontal to close.

2-2.3.13. Electrical Output Receptacles. The electrical output receptacles (13) are engergized by the auxiliary generator to supply 1 20V, 1 3A, 60 cycle power.

2-2.3.14. 2-1/2 Inch Suction Inlet. The 2-1/2 inch suction inlet (14) is used for connection of a 2-1 /2 inch suction hose for firefighting operations. The inlet is a female swivel type with gasket equipped with a rocker lug plug and removable strainer.

2-2.3.15. Suction Drain Control. The suction drain control (15) is used to drain suction inlet (14). To operate, turn the handle counterclockwise from horizontal to OPEN and clockwise to horizontal to

CLOSE.

2-9

2-2.3.16. 2-1/2 Inch Suction Inlet Control Handle. The suction inlet control handle (16) is used to operate the 2-1/2 inch suction inlet. To operate, move the handle UP to open the valve, DOWN to close.

2-2.4. Cab Controls and Instruments (See Figure 2-4).

2-2.4.1. Low Profile Light Bar Control. The low profile light bar control (1) consists of a push button power switch and four (4) position rotary function switch. To turn power ON, push the button switch IN.

To turn power OFF, push the…