Installation manual

62
a. Not enough make-up air.
b. Restriction in the exhaust ductwork.
c. Gas pressure is too high.
d. Impellor (fan/blower) is rotating in the wrong direction (for 3-phase [3ø] models only).
e. Burner orifice size (drill material size [D.M.S.]) too large for application (i.e., high elevation).
AA. Condensation on main door glass...
1. Too long, undersized, or improperly installed ductwork.
2. Back draft damper is sticking in the partially closed position.
BB. Scraping noise at basket (tumbler) area...
1. Check for obstruction caught in basket (tumbler)/wrapper area.
2. Basket (tumbler) is out of proper alignment...
a. Check both the vertical alignment and lateral alignment.
b. Check for gap between the front panel and basket (tumbler), bearing setscrews may have come loose,
and basket (tumbler) walked forward or backward.
3. Loose basket (tumbler) tie rod.
4. Failed basket (tumbler) support.
CC. Excessive noise and/or vibration...
1. Dryer is not leveled properly.
2. Impellor (fan/blower) is out of balance...
a. Excessive lint build up on impellor (fan/blower).
b. Failed impellor (fan/blower).
3. Loose basket (tumbler) tie rod.
4. Failed basket (tumbler) support.
5. Loose motor mount.
6. Failed idler bearings or basket (tumbler) bearings.
7. V-belts too tight or too loose.
8. Basket (tumbler) bearing setscrews are loose.