Preventive Maintenance Work Plan Chart Page 27
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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
Vacuum Pump Units
Critical Tasks, to be performed semi-annually
Frequency Status
Date Completed Initials
Inspect operation of vacuum pump for excessive vibration, noise, heat, etc.
SA
Change oil, resume operation and check oil for proper oil level and pressure.
SA
Change oil filter. After replacement, check for leaks.
SA
Change air intake filters.
SA
Check operation of the cut-in and cut-out pressure controls.
SA
Other recommended tasks
Check belt condition. Replace worn belts with matching sets. Check and adjust belt
SA
tension.
Check sheave alignment and level of shafts.
SA
Check operation of unloader and check valves.
SA
Record vacuum run times.
SA
Check high pressure safety relief valve.
SA
Check operation of motor operation and starter. Record motor amperage and voltage readings
SA
per phase.
Check operation of all safety relief valves.
SA
Check operation of all valve assemblies as required.
SA
Clean and degrease the compressor cooling fins.
SA
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