Aaon Rooftop Unit RL-135

General Unit Surface Inspection

Complete a general inspection of the unit surface

Check for surface corrosion in spot areas

Wire brush and clean thoroughly any corroded areas

Resurface cleaned areas with rust inhibitive paint

Ensure coils, blowers, and filters are clean to ensure proper unit operation.

Shut off all electrical power to unit to avoid shock hazard or injury from rotating parts.

Inspect unit interior at the beginning of each heating and cooling season.

Is additional cleaning required based on operating conditions?

Is the bearing at normal operating temperature?

Select the appropriate grease based on temperature

Add grease to purge the seals (do not over-lubricate)

Remove contaminants from exterior

Ensure motor air inlet and outlet are open

Blow out interior of open motors with clean compressed air at low pressure

Ensure original clearances are held

Verify parts replacements are exact duplicates or approved equals

Turn off power to the unit before opening the access door

Filter Inspection and Replacement

Inspect the following for obstructions to air flow

Open the filter section door to access the filters

Replace or clean filters with the same size as indicated on the filters

Ensure all filters are in place before operating the unit