Table 3-3. DIRECT SUPPORT DRYER TROUBLESHOOTING PROCEDURES - continued
TEST OR INSPECTION
DRYER FAILS TO OPERATE FOR SELECTED TIME.
Check for needle slippage by rotating needle around clockwise until it clicks.
If needle does not click at zero, loosen setscrews and tighten with the needle at the zero position.
If problem persists, replace timer. Refer to paragraph 3-64: Timer.
DRYER FAILS TO DRY LAUNDRY.
Check to see if there is a flame in sight eye.
If no flame, check UV scanner with UV scanner control box tester (App B, Item 6).
DRYER FAILS TO START.
Check for damaged On/Off switch.
Replace On/Off switch. Refer to paragaph 3-63, ON/OFF Switch.
DRYER BURNER FLAME FAILS.
Step 1. Check to see if there is a flame in sight eye. If flame is present, but goes out:
Check UV scanner pipe for soot/clog. If pipe has soot or is clogged, clean out.
Check flame control for broken lens. If lens is broken, replace flame control. Refer to paragraph 3-66,
Check UV scanner with UV scanner control box tester (App B, Item 6).
If UV scanner fails, replace IV scanner. Refer to paragraph 3-65, UV Scanner and Terminal Box.
Step 2. Check flame control and UV scanner for damage.
Replace flame control and UV scanner. Refer to paragraphs 3-65 and 3-66.
DRYER TUMBLER DOES NOT ROTATE.
Check speed reducer for damage.
Replace speed reducer. Refer to paragraph 3-60, Speed Reducer.
10. EXCESSIVE SMOKE FROM DRYER EXHAUST.
Check for blocked or clogged pipe assemblies.
Remove clogs. Refer to paragraph 3-73, Heater.
11. AIR LEAKS FROM DRYER DOOR.
Check for cracks or broken welds.
Repair cracks and welds. Refer to paragraph 3-76, Tumbler Barrel.