United Metal Products Evaporative Cooler UMP-824 U

Measure belt movement when pressed at mid-span

Is the belt tension within the acceptable range?

Is the new belt tighter than a used belt?

Check if the motor and fan sheave grooves are directly in line with one another

Adjust belt tension if necessary

Disconnect power before servicing pump

Snap the plastic grid off the bottom of the pump

Remove old debris from the reservoir

Coat painted galvanized steel reservoirs with high quality sub-sealer

Ensure guards are installed when the fan is operating above an occupied space or within 7ft of working area.

Install guards whenever deemed advisable for safety reasons.

Install the sheave, pulley, and belt before setting the unit over the roof opening.

Place the motor on the flat side of the adjustable motor base so that the drive belt will pass through the oblong cut out.

Adjust motor base as required to assure proper belt tension.

Turn off the water supply to the cooler

Unscrew and remove the standpipe to allow the water to drain down

Ensure no water is left standing in the unit for prolonged periods

Apply a coat of high quality sub-sealer to painted galvanized steel reservoirs

Gently hose stubborn deposits from the face of the evaporative media with fresh water

Run fresh water through the pump and water distribution system for 30 minutes

Ensure the fan/blower is turned off while flushing the system

Place the motor on the adjustable motor base

Adjust motor for proper belt tension