Appendix D Monthly Inspections Checklist.pdf

Appendix D

MONTHLY INPECTIONS CHECKLIST

1. Check the lubrication and grease level of the gears and bearings;

2. Check the functionality of the contactors in the electrical panel and the wear of the contacts;

3. Check the light signals in the cabin and at the landings;

4. Check the operation of the ordinary and emergency lighting in the cabins and machine rooms;

5. Check the two-way communication system between the cabin and the call center;

6. Check the alarm systems;

7. Check the operation of the buttons and car and landing control panels;

8. Check the adequacy of the leveling at the landing;

9. Check the relays required for the connection to the centralized control and safety system;

10. Check the telephone dialers in the passenger cabins of the lifts;

11. Check the compliance with accident prevention regulations of the installed and supplied devices;

12. Check the complete integrity of all mechanical components in the machine room and hoist way;

13. Check all hydraulic and electromechanical devices connected to the cabin and its moving structures such as doors, contacts, and photoelectric cells;

14. Check the opening and closing speed of the doors;

15. Check the following components of the control panels: magnetothermal motor protector, the magnetothermal and differential switchers, the alarm circuit power supply with backup battery, any type of relay, the contactors, the up/down (S/D) reversing contactor unit, the single-phase and/or three-phase transformer and its connections, the automatic control or light valve, the time delay unit, the current rectifier, the electric control selector, the motor-winch-brake unit, the return pulleys, the winch speed regulator, the worm gear-wheel unit. brake assembly, brake electromagnet, electromagnet coil, brake shoes, brake linings, brake springs and tie rods, brake release motor, motor bushings, motor including adaptation to the half-coupling and base, checking and topping up the oil level in the winch sump;

16. Check the following electromechanical equipment in the hoist way and landing doors: the fixed hoist way power lines (switches, control panels, locks, alarm, etc.), the hoist way lighting power line, the intercom system, the emergency telephone in the cabin, the counterweight shoes, the tank of the oil for the guides lubricating, the lock and interlock, the opening and closing of the landing doors, the fastening of the landing door panels, the external under glass release coil, the landing control panel, the spring damper under the counterweight;

17. Check the following electromechanical equipment in the machine room: all complete power lines in the machine room (from the main switch to the control panel), the motive power lines, the brake lines, the lighting system, the ground lines, the machine room door, and the external keys box;

18. Check the traction and lifting ropes, checking for wear and broken wires;

19. Check the cabin in the following parts: the cabin lining, the cabin doors, the door handles, the door hinges, the cabin floor, the carpet or floor, the cabin mirrors (glass, mirror, or other), the electromagnet with its retractable shoe, the cabin control panel, the photocells for preventing door closures with related electrical line, the sliding shoes with their supports, the safety gear, the emergency lighting;

20. Check the following electromechanical components: the solenoid valves with their connections and accessories, the oil thermostat, the oil heater coil thermostat, the piston seal, the ropes, the control unit oil with its top-up, the elevator control unit, pump motor unit, various valves, pressure gauges, thermostats, and hydraulic piston oil leak checks;

21. Check the automatic return-to-floor device, specifically: the electronic device for return-to-floor operation and door opening in case of emergency, the backup batteries, the battery charger, and the control unit;

22. Check the plates that must display the elevator system data, the maintenance technician's contact information, and check the emergency and information warning signs.