Greenheck Fan 45, HRE-20, 90, 55 manual Routine maintenance, Date

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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