United Metal Products Evaporative Cooler UMP-839 U

Measure the current pH level of the water

Is the pH level within the normal range?

Automatic Distributor Flush System Adjustment

Adjust the timer for flush valve open duration

Adjust the timer for period between flush cycles

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.

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

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?

Wash dirt and scale from pad frame with a mild detergent if necessary.

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

Adjust motor base to assure proper belt tension