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Once the unit has been put into operation, a routine maintenance program should be set up to preserve
reliabilityandperformance.Itemstobeincludedinthisprogramare:
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.
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.
ROUTINE MAINTENANCE
DATE DATE DATE DATE
______ ______ ______ _____
Lubrication
Apply lubrication where required oooo
Dampers
Check for unobstructed operation ooo o
Fan Belts
Check for wear, tension, alignment ooo o
Motors
Check for cleanliness ooo o
Blower Wheel & Fasteners
Check for cleanliness ooo o
Check all fasteners for tightness ooo o
Check for fatigue, corrosion, wear ooo o
Bearings
Check for cleanliness oooo
Check set screws for tightness oooo
Lubricate as required ooo o
External Filter
Check for cleanliness - clean if required ooo o
Internal Filter
Check for cleanliness - replace if required ooo o
Door Seal
Check if intact and pliable ooo o
Coil Maintenance
Check for cleanliness (coil and drain pan) ooo o
Winterizing Coils
Drain - Fill with antifreeze - Drain ooo o
Energy Recovery Wheel
Check for cleanliness - clean if required ooo o
Check belt for wear ooo o
Check pulley, bearings, and motor ooo o
Evap Cooler Section
Refer to Evaporative Cooler Maintenance section ooo o