Engineered Air HVAC Unit DJS20

Is the bearing rotating slowly during lubrication?

Is a lithium base lubricant being used?

Avoid overgreasing the bearings

Select the shaft diameter and apply the correct grease quantity

Are extended lubrication lines provided?

Refer to the fan and/or bearing manufacturers’ literature for additional information

Verify the presence of filters on the air inlet of VFD enclosures

Determine the filter-changing interval based on

Specify the scheduled interval for filter change (in months)

Check set screws for looseness on the shaft

Tighten set screws where required

Record any issues found during the check

Ensure no overtightening of set screws to avoid bearing damage

Refer to bearing manufacturers’ literature for torque specifications

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

Select the SAE value based on operating temperature

Measure the oil’s operating temperature

Is the oil level at the center of the lower-most roller?

Perform complete lubrication change