United Metal Products Evaporative Cooler UMP-824 S

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

Remove pad frame from cabinet by lifting from the bottom edge and pulling outward, then letting it drop.

Is it necessary to wash dirt and scale from pad frame with a mild detergent?

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?

Is the belt straight when assembled?

Was the belt tension adjusted correctly?

Ensure the following greases are available

Verify motor is turned off and locked out for safety

Record the NEMA Frame size of the motor

Is the NEMA Frame size between 210 to 280?

Apply high grade ball bearing grease to the motor bearings

Is the motor operating smoothly after lubrication?

Is there significant scale build-up on the pads?

Are the pads scaled and plugged?

Hose down pads to clean away dirt and salt particles

Are the pads too blocked, reducing cooling efficiency and air delivery?

Remove outer access panels and internal media cover plate