Engineered Air HVAC Unit DJ60/O

Inspect coils and drain pans for cleanliness and biological growth

Clean the external surface of finned coils using a low pressure water spray and a brush

Ensure cleaning additives or solutions are compatible with coil materials or coatings

Use a fin comb to straighten any damaged or bent fins

Drain and blow out water coils with compressed air

Fill and drain coils several times with appropriate strength pre-mixed inhibited HVAC glycol or other suitable fluid

Ensure propylene glycol is not used with CPVC piping

Refer to motor manufacturer for lubrication recommendations

Remove grease drain plugs and operate motor for 15 minutes before replacing plugs

Ensure not to over grease the motor

Note any severe conditions affecting motor operation

Recommended Motor Lubrication Intervals for motors up to 7.5 HP (5.6 kW)

Check set screws for looseness on the shaft

Tighten set screws where required

Record any issues found during the check

Enter torque applied for Dodge SC 203-215 series (in-lb)

Refer to bearing manufacturers’ literature for other types of bearings

Refer to motor manufacturer for lubrication recommendations

Remove grease drain plugs and operate motor for 15 minutes before replacing plugs

Ensure not to over grease the motor

Note any severe conditions affecting motor operation

Recommended Motor Lubrication Intervals for motors over 40 HP (29.8 kW)

Is the bearing rotating slowly during lubrication?

Is a lithium base lubricant being used?

Avoid overgreasing the bearings

Select shaft diameter for grease quantity

Are extended lubrication lines provided?

Check environmental conditions for re-greasing interval