Exhaust Fan Belts:
- Re-adjust belt tension after 8 – 10 hours of operation.
- Check for proper belt tension by pushing on belt between blade pulley and motor pulley with index finger. Belt should move about ½ inch with 5 pounds of pressure.
- Keep replacement belts on hand.
- Check belts at beginning of cooling season and several times throughout year.
- Look for polished sides and cracked, dry, and/or brittle material.
- Replace belt if any signs of deterioration or if in use for several seasons.
- Clean fan blades and louvers as needed.
- Remove foreign material from inside fan housing.
- See installation manual for adjustment of drive motor limits
- Rack and pinions may be adjusted by loosening nuts on vent shoe where rack attaches to vent door
- Shift rack shoe left or right to improve alignment
- Check the alignment with the vent door open
- Clean the entire vent including the cover with soap and water
- Remove accumulated debris in the lower track of vent door
- If float valve is unable to shut off, cut off water supply, disassemble and rinse float valve, reassemble and install
- If after above (if float valve still will not shut off), order a rebuild kit or new valve
- Rinse out reservoir and fill with clean water at the beginning of the season
- Do not leave in ground tanks empty
- Clean the filter as well and several times throughout the year
- Check the filter if flow seems restricted
- Check the header for clogs
- Rinse out the header at the beginning of the season – remove the plug opposite
- the pump and then run the pump to flush out foreign material
- Add chlorine bleach or any good algaecide to the reservoir on a regular basis to keep pads clean
- Maintain a pH between 5.5 and 8.5 in the reservoir
- Allow pads to dry completely each night by keeping the thermostat set above the overnight low temperature
- Use the gate valve to adjust the water flow so that the water sprays 12” into the air at the far end of the header from the pump