Engineered Air HVAC Unit LM-6-K

Check set screws on fan wheel, fan bearings, fan and motor pulleys for looseness on the shaft.

Tighten set screws where required.

Is the check being performed before initial start-up, after a run-in period of 2 weeks, or on a 4 month interval?

Caution: Overtightening set screws can damage bearings. Refer to Table I for torque specifications.

Enter the torque applied to Dodge SC 203-215 series by shaft diameter.

Refer to bearing manufacturers’ literature for all other types of bearings.

Outdoor Air Intakes, Mixing Sections and Dampers

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

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

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

Electric Heat — Electrical Inspection

Check and tighten all electrical connections

Notes on electrical connections check

Check if the fan has permanently lubricated sealed ball bearings

Select the shaft diameter for lubrication

Is the bearing rotating slowly during lubrication?

Is a lithium base lubricant being used?

Are extended lubrication lines provided?

Ensure not to overgrease the bearings

Ensure non-lithium based grease is not used

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

Electric Heat — Electrical Inspection

Check and tighten all electrical connections