United Metal Products Evaporative Cooler UMP-939 S

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

Confirm the reservoir is filled with water before operating the water pump

Ensure the fan is turned off and locked out before starting lubrication.

Gather necessary tools and materials, including high quality NLGI No. 2 or 3 multipurpose ball bearing grease.

Lubricate the bearings without over greasing.

Rotate the shaft monthly to aid corrosion protection if the equipment is in storage or during extended shutdowns.

Adjust lubrication frequency based on operation hours, temperature, and surrounding conditions.

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 the recommended amount of grease to the motor bearings

Is the motor operating smoothly after lubrication?

Remove the access panel and roof edge cover below the distributor.

Remove the inside hose from the end of the distributor pipe and the pipe support that attaches to the cooler roof.

Remove both distributor end caps.

Insert a 1/2" diameter x 6ft long rod or dowel into the distributor.

Secure the end of the dowel at the end opposite to where the distributor will be removed.

Rotate the distributor pipe down to break the seal and pull it horizontally out of the cooler.

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

Remove internal media cover plate