Preventive Maintenance Work Plan Chart Page 10
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35Preventive Maintenance Work Plan
Frequency Key
W – Weekly
M - Monthly Q - Quarterly
SA- Semi-Annually A- Annually SST - Seasonal Start-Up SSH - Season Shut Down
Packaged Units
Critical Tasks, to be performed monthly
Frequency Status
Date Completed Initials
Check with operating or area personnel for deficiencies.
Q
Check unit for proper operation, excessive noise, or vibration.
Q
Clean intake side of condenser coils, fans, and intake screens.
Q
Check electrical wiring and connections; tighten loose connections.
A
Inspect fan(s) for bent blades or unbalance; adjust and clean as necessary.
A
Check belts for condition, proper tension and misalignment; adjust as required.
Q
Lubricate shaft bearings and motor bearings.
Q
Inspect piping and valves for leaks; tighten connections as necessary.
Q
Replace air filters.
Q
Check refrigerant pressure; add refrigerant as necessary.
Q
Clean evaporator drain pan, and drain piping as required.
A
Cycle the reverse cycle valve to insure proper operation.
Q
Clean area around equipment.
Q
Fill out maintenance checklist and report deficiencies.
Q
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