Man Hours 10+
Special Instructions:
Check manufacturer's instructions, those that have more stringent guide lines 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, 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. This
guide includes check points that should be accomplished on an annual, basis as
noted.
Items to Check & Initial Completion:
1. ___ Brakes: Completely dismantle brake assembly, clean and inspect for wear.
Replace defective parts to obtain proper operation. Lubricate bearing,
pins, and pivot points.
2. ___ Selector: Inspect, clean, lubricate, replace parts, and make repairs or
adjustments as necessary for proper operation of selector unit including
cables, chains, clutches, cams, gears, fuses, motor brushes, wiring,
connections, contacts, relays, tapes, tape tension sheave, broken tape
switch, and tape wipers.
3. ___ Controller: Thoroughly clean controller with blower or vacuum. Inspect
and check operation of switches, relays, times, capacitors, resistors,
contacts, overloads, wiring, connections, fuses, overload oil levels, and
overload control. Check for MG shutdown, high call reversal, zone
control, and load by-pass door failure time. Check programming up peak,
down peak, off hours, and off peak. Replace defective parts and adjust
controller for proper operation.
4. ___ Hoistway Doors: Clean, inspect, and lubricate all door operating
mechanisms, including but not limited to rollers, upthrusts, interlocks,
clutches, self-closing gibs, and sills. Replace worn parts, repair or
adjust door mechanisms as necessary to obtain proper operation.
5. ___ Hoistways: Clean rails, beams, and all related iron work in hoistway.
Dust hoistway walls. Clean top, bottom, and sides of car. Clean
counterweight.
6. ___ Hoist Machine and Motor-Generator: Clean with blower or vacuum. Clean
end bells, brush riggings, and commutator.
7. ___ Buffers: Check oil level and operation of switches. Add oil or adjust
switches as necessary for proper operation. Manually compress buffer and
test for proper return in accordance with ASME/ANSI A17.1 Safety Code for
Elevators and Escalators, Rule 201.4e(1).
8. ___ Scheduling, Dispatch and Signal Boards: Clean with blower or vacuum.
Inspect and check operation of switches, relays, timers, fuses,
capacitors, resistors, contacts, overloads, wiring, and connections.
Replace worn parts and adjust for proper operation.
9. ___ Motors: Change oil in hoist motor, MG set, geared machines, and gear
boxes with lubricants as specified by the equipment manufacturer(s).
10.___ Safeties: Inspect, clean, lubricate, and manually operate safety
mechanisms prior to slow speed safety test. Replace parts or adjust as
necessary to obtain proper operation of safety devices.
Tools & Materials:
1. Standard Tool kit.
2. Cleaning tools and materials
3. Out of service signs
4. Barricades
5. Lubricants
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