Preventive Maintenance Work Plan Chart Page 3
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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
Heating and Ventilation Units
Critical Tasks, to be performed monthly
Frequency Status
Date Completed Initials
Inspect entire unit for unusual noise and/or vibration, ensure that it is in good working
M
order.
Provide lubrication, if necessary
M
Check that damper linkages are properly connected and operating
M
Inspect piping and fittings for leaks (steam, condensate, hot water, chilled water).
M
Inspect ductwork flexible connectors for abnormalities or leaks.
M
Inspect felt/rubber gaskets around access doors.
M
Following inspection, record observations and deficiencies, if any.
M
Check outside air intake louvers.
M
If problems are identified and unit requires servicing, perform all Non-Critical Tasks for the
M
problematic components.
Inspect pre and final filters for abnormal accumulation of dirt and debris, replace if necessary.
Q
Write installation date on new filters.
Clean filter rack and vacuum filter section after removal of old filters and prior to installing new
Q
filters.
Inspect filter rack and ensure that air path does not bypass filters.
Q
Inspect coils (steam, hot water, chilled water) for accumulation of dirt and debris, clean if
Q
necessary.
Inspect/adjust humidifier, if present
Q
Check access doors for tightness.
Q
Check fire smoke dampers for proper operation.
A
Inspect belts for proper tension and wear (if belts are replaced, record belt type and
A
replacement date on unit)
Inspect entire motor and fan assembly, clean with a damp cloth.
A
Lubricate fan bearings and motors.
A
Lubricate all moving parts/connections, if necessary.
A
Operate dampers over the full modulation range, verify proper operation.
A
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