Engineered Air HVAC Unit HE16

Lubrication of Dodge Fan Bearings — Ball Bearing Pillow Block

Select the shaft diameter and speed (RPM) for lubrication schedule

Is it safe to re-lubricate while running?

Re-lubricate while running until some purging occurs at seals

Adjust lubrication frequency based on purged grease condition

Record hours of operation, temperature, and surrounding conditions

Select the grease used for lubrication

Lubricate bearings prior to extended shutdown or storage

Check if the fan has permanently lubricated sealed ball bearings

Ensure bearings are factory packed 30 to 50% full

Grease bearings that require lubrication while rotating slowly

Use lithium base lubricant only

Check if extended lubrication lines are provided

Ensure tubing is not factory filled

Select shaft diameter for grease quantity

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

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

Check if motors run in severe conditions and grease as specified by the motor manufacturer

Check set screws for looseness on the shaft

Tighten set screws where required

Record any issues found during the check

Refer to bearing manufacturers’ literature for torque specifications

Check set screws on fan wheel for looseness

Check set screws on fan bearings for looseness

Check set screws on fan pulley for looseness

Check set screws on motor pulley for looseness

Tighten set screws where required