Engineered Air HVAC Unit HE221

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

Check set screws on fan wheel for looseness

Check set screws on fan bearings for looseness

Check set screws on fan pulleys for looseness

Check set screws on motor pulleys for looseness

Tighten set screws where required

Outdoor Air Intakes, Mixing Sections and Dampers

Check cleanliness of outdoor air intakes, screens, and adjacent areas

Inspect integrity of outdoor air intakes, screens, and adjacent areas

Verify proper operation of outdoor air intakes, screens, and adjacent areas

Wipe the viewing area with a soft cloth dampened with concentrated detergent

Note any visible contamination or damage on the viewing area

Is the viewing area clean after wiping?

Attach any relevant photos of the viewing area before and after cleaning

Refer to the UV scanner manufacturers’ literature for additional information and note any specific instructions

Check set screws for looseness on the shaft

Tighten set screws where required

Record any issues found during the check

Enter torque value applied to Dodge SC 203-215 series set screws

Refer to bearing manufacturers’ literature for other types of bearings