Table 4-2. Unit Preventive Maintenance Checks and Services (PMCS).
Item To Be
Check wiring on all harnesses for cracks,
breaks, or burns.
Check all connectors for damage or
Inspect all wires for loose connections.
Remove intake (return air) guard per
pan are clean and unobstructed.
Inspect all drain tubing for cuts or
Check for loose or missing clamps.
Check for broken or leaking elbows and
Inspect for loose, cracked, or missing
Check for loose or disconnected P8
Check that damper actuator is properly
connected to damper door.
Check for proper operation of door
during unit operation.
Check for loose or missing hardware.