Welcome to AM Mechanical
Planned
Maintenance
Planned Maintenance Description :
- 1. Chemically clean and thoroughly wash condenser coil(s), annually.
- 2. Thoroughly replace standard air-filter(s).
- 3. Verify the condensing unit & air handling unit are level for proper motor bearing wear & drainage.s).
- 4. Lubricate motor and fan bearings as well as other moving parts, as necessary.
- 5. Clean and inspect evaporator coil and drain pan when readily accessible.
- 6. Clean and inspect condensate drain lines and fittings
- 7. Clean, level, and calibrate thermostat.
- 8. Adjust and thoroughly clean blower motor and fan assembly as needed.
- 9. Inspect, tighten, and test all electrical connections. This includes disconnect switch.
- 10. Inspect all system electrical wires, connectors, and terminals.
- 11. Test system starting and running capacitors.
- 12. Test all controls, switches, relays, transformers, contactors, motors, and fans.
- 13.Measure starting and running amperes, line voltage, and control voltage.
- 14. Test system-starting capabilities.
- 15.Inspect and adjust all safety controls.
- 16. Monitor refrigerant pressures and temperatures
- 17. Test and record super-heat and sub-cooling. Compare with factory specifications.
- 18. Adjust Freon metering control device per factory/manufacturers recommendations
- 19. Test and measure system for proper production and capacity, including temperature rises & drops.
- 20. Monitor fan motors and compressor operation with megohmmeter testing.
- 21. Complete and present full written report and make any necessary recommendations