United Metal Products Evaporative Cooler UMP-639S

Ensure the following greases are available

Verify motor is stopped and locked out before lubrication

Enter the NEMA Frame size of the motor

Is the NEMA Frame size between 210 and 280?

Apply the recommended amount of grease to the motor bearings

Clean any excess grease from the motor exterior

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.

Clean the grease fitting to prevent contamination.

Apply the appropriate amount of grease to the bearing.

Rotate the shaft to distribute the grease evenly.

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

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 out horizontally.

Measure the belt movement when pressed at mid-span

Is the belt tension within the acceptable range?

Is the belt straight and properly aligned?

Adjust belt tension if necessary