Attachment 2- Preventative Maintenance and Services Checklist (003).docx

Attachment 2

PREVENTIVE MAINTENANCE INSPECTION AND SERVICE CHECKLIST

CHECKLIST NUMBER: 1 PAGE 1 of 2 FREQUENCY OF SERVICE: SEMI-MONTHLY (Twice a month)

ELEVATOR/SYSTEMS COVERED: All

Checkpoint Number Checkpoint Description

1. WALKTHROUGH: Review the performance of the elevators with the Government Representative to determine if any malfunctions have occurred in connection with the cars since last maintenance inspection was performed. Investigate any malfunctions which have occurred, devoting special attention to any problem involving unsafe operations, and take corrective action.

2. LUBRICATION: Check quantity and quality of oil in all reservoirs, such as crankcases, gear boxes, buffers and oil cups. Add oil to maintain satisfactory levels. Replace oil if dirty. Applies to motor generator sets (sleeve bearings) and motor bearings.

3. CAR OPERATION: Ride all cars to detect and repair any improper operation of the car doors, hoist way doors, acceleration, leveling accuracy of floor stops, and the action of the machine brake. Verify proper operation of the laser door edges. Examine the car station and call buttons and replace damaged switches, burnedout lamps, and broken buttons. Replace all burnedout bulbs or tubes in the car lighting system.

4. FIRE SAFETY DEVICES: Test and verify satisfactory operation of fire detection devices and systems.

5. CONTROLLER AND SELECTOR PANELS: Observe the operation of all control relays, contactors, and other devices for satisfactory operating sequence. If any contacts are exposed to excessive current, check the circuit, correct the cause, and replace burned contacts. For the safety of the elevator users, do not work on relays which affect the operation of the car or power operated doors while the car is in service. Make a visual inspection of magnet coils, relays, and contactors, devoting special attention to the coils of relays that are continuously energized. Replace any coils that have brittle insulation or cracked binders. Observe and check the floor selector, adjust as necessary, and lightly lubricate.

6. BRAKES: Examine and adjust the brake plunger so that it is free and that it operates to the full extent of its travel. Clearances between the brake shoes and the drum shall be maintained at a minimum. Examine the brake contacts for wear and adjust or replace. Clean brake drum pulley. Prevent any loose material from catching between the drum and brake shoes.

FREQUENCY OF SERVICE: SEMIMONTHLY

ELEVATOR/ SYSTEMS COVERED: All

Checkpoint Number Checkpoint Description

7. GENERAL CLEANING: Wipe down the hoisting machine and generator. Check for excessive heat and unusual noises during operation, and correct the causes. Remove dirt and dust from the motor and generator housing. Brush off copper and/or carbon dust that may have collected on the control and relay panels. Clean the pit of all debris and combustible material. Clean the top of the car and the machinery room floor to insure proper door operation. Remove lubricants, cleaning solvents, and other combustible solutions if any are found to be stored in these places.