Preventive Maintenance Work Plan Chart Page 19
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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
Absorption Chillers
Critical Tasks
Frequency Status
Date Completed Initials
Check with operating personnel for deficiencies; check operating log sheets for indications of
Q
increased temperature trends.
Check unit for proper operation, excessive noise or vibration.
Q
Check pulley alignment and belts for condition, proper tension and misalignment on external
Q
purge pump system, if applicable; adjust for proper tension and or alignment.
Check purge pump vacuum oil level, as required; add/change oil as necessary.
Q
Lubricate pump shaft bearings and motor bearings.
Q
Inspect cooling and system water piping circuits for leakage.
Q
Clean area around equipment.
Q
Fill out maintenance checklist and report deficiencies
Q
Check and clean strainers in all lines as required.
A
Check and service system controls, wirings and connections; tighten loose connections.
A
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