routine maintenance
Safety Danger!
Electric shock hazard.. Can cause injury or death..
Before attempting to perform any service or
maintenance, turn the electrical power to unit to OFF at disconnect switch(es).. Unit may have multiple power supplies..
Safety Caution!
Use caution when removing access panels or other unit components, especially while standing on a ladder or other potentially unsteady base.. Access panels and unit components can be heavy and serious injury may occur..
Once the unit has been put into operation, a routine maintenance program should be set up to preserve reliability and performance. Items to be included in this program are:
| DATE | DATE | DATE | DATE |
| ______ | ______ | ______ | _ _____ |
Lubrication |
|
|
|
|
Apply lubrication where required | o | o | o | o |
Dampers |
|
|
|
|
Check for unobstructed operation | o | o | o | o |
Fan Belts |
|
|
|
|
Check for wear, tension, alignment | o | o | o | o |
Motors |
|
|
|
|
Check for cleanliness | o | o | o | o |
Blower Wheel & Fasteners |
|
|
|
|
Check for cleanliness | o | o | o | o |
Check all fasteners for tightness | o | o | o | o |
Check for fatigue, corrosion, wear | o | o | o | o |
Bearings |
|
|
|
|
Check for cleanliness | o | o | o | o |
Check set screws for tightness | o | o | o | o |
Lubricate as required | o | o | o | o |
External Filter |
|
|
|
|
Check for cleanliness - clean if required | o | o | o | o |
Internal Filter |
|
|
|
|
Check for cleanliness - replace if required | o | o | o | o |
Door Seal |
|
|
|
|
Check if intact and pliable | o | o | o | o |
Coil Maintenance |
|
|
|
|
Check for cleanliness (coil and drain pan) | o | o | o | o |
Winterizing Coils |
|
|
|
|
Drain - Fill with antifreeze - Drain | o | o | o | o |
Energy Recovery Wheel |
|
|
|
|
Check for cleanliness - clean if required | o | o | o | o |
Check belt for wear | o | o | o | o |
Check pulley, bearings, and motor | o | o | o | o |
Evap Cooler Section |
|
|
|
|
Refer to Evaporative Cooler Maintenance section | o | o | o | o |
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