Man Hours 6+
Special Instructions:
Check manufacturer's instructions; those having more stringent guidelines for
preventive maintenance shall be followed. The frequencies shown here are minimum
requirements and are in addition to the regular PBS inspection tour. Items
regularly inspected on a weekly basis include the motor-generator unit, hoist
machine, controls, and governor. Doors, hangers, closers, interlocks, and door
operators should be checked frequently for proper operation by qualified elevator
mechanics or inspectors as they ride the elevators. Items requiring attention
should be reported to the elevator shop supervisor or elevator contractor.
Items to Check & Initial Completion:
1. ___ Machine Room: Dust machines, motor generator sets, control cabinets, etc.
Sweep floor, relamp, and remove trash. Inspect controllers, signal,
scheduling and dispatch panels, selectors and selector tapes. Make
repairs and adjustments for proper operation.
2. ___ Pits: Dust ironwork, sweep floor, empty drip pans, relamp inoperative
lights, remove trash, and check for leaks. Check runby, buffer switch,
compensating switch, and emergency stop switch.
3. ___ Motors: Hoist motor, motor generator, regulators, and exciters: Inspect
oil level, oil pick up, and belts; repair and adjust as necessary for
proper operation. Check for excessive heat, noise and leaks. Lubricate
the bearings in accordance with manufacturer's specification. Renew
brushes as necessary. Keep end bells, commutators, and brush riggings
clean.
4. ___ Geared Machines: Inspect worm and gear for bottoming and back lash,
thrust end play, bearing wear, oil pick up, oil level, and packing. Check
gear case for leaks. Empty drip pan.
5. ___ Brakes: Observe operation of brake. Inspect drum and shoe clearance and
adjust as necessary. Clean and lubricate pivot points.
6. ___ Car Gate: Clean, lubricate, and inspect hangers, and all related gate
operating mechanisms. Check rollers, upthrust, interlock, gear box, motor
brushes, door control box, cables, safety edge, light rays, gibs, sills,
proper operating speed, and force close speed. Repair and adjust as
necessary for proper operation.
7. ___ Speed Governor: Observe operation, including tension sheave. Check
electrical switches for proper operation. Make sure seals are in place
and not broken. Clean and lubricate pivot points.
8. ___ Lighting. Relamp all inoperative lamps including, but not limited to
hatchways, hall landings, position indicators, car stations, and domes.
Clean light diffusers and car stations as necessary.
9. ___ Miscellaneous: Check emergency procedure sign and inspection certificate
is in place. Check top and side exits and related switches for proper
operation. Repair or replace parts as necessary to insure operation in
accordance with manufacturer's specification. Perform operational test of
alarm bell, emergency stop switch, communications systems, fire recall
service, (key capture and smoke detector) and any other emergency recall
procedures. Adjust or repair systems as necessary to obtain proper
operation.
10.___ Hydraulic Machines: Observe operation of motor and pump, controls, and
plunger. Adjust as necessary for proper operation. Check for leaks on
oil lines, tank, and packing. Repair leaks. If creeping is excessive,
correct. Test manual and emergency control. Clean and lubricate as
necessary for proper operation.
11.___ Clean up and remove all debris from work area.
Tools & Materials:
1. Standard Tool kit.
2. Cleaning tools and materials
3. Out of service signs
4. Barricades
5. Lubricants
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