United Metal Products Evaporative Cooler UMP-639x2S

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 aligned

Adjust belt tension if necessary

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

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

Is it advisable to install guards for safety reasons?

Place the motor on the adjustable motor base - either pivot plate or manual slide rail.

Adjust motor as required to assure proper belt tension.

Describe any issues encountered during the assembly process

Ensure you have the correct type of grease

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 grease to the motor bearings

Was the lubrication process completed successfully?

Manual Bleed System Maintenance

Measure the current pH level of the water

Automatic Distributor Flush System Maintenance

Adjust the timer for flush valve open duration

Adjust the timer for flush cycle interval

Dismantle and clean the flush valve