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36 PNEG-552 100 Series Dryer
7. Service
6. Operate dryer clean-out levers, and check clean-out hatch mechanism for proper operation. With
hatch open, inspect and remove any accumulation of dirt, fines and foreign material from the
bottom auger through area.
NOTE: Do not allow high moisture material to collect within the trough area. It may adversely affect
metal parts.
Figure 7A
7. Remove the blue burn optimizer cone and inspect:
8. Inspect entire dryer for loose, worn or damaged parts. Include check of auger flighting, metering
rolls and other internal parts. Ensure that temperature sensors in air plenum chamber are secured
by insulated clamps, and do not chafe on other metal parts.
9. Make sure all dryer guards and warning decals are securely installed. Guards should not
interfere with moving parts. If guards or warning decals are missing, contact your dealer for a
free replacement.
10.Test fire the dryer several weeks ahead of the drying season. Check for possible gas leaks.
(See page 25 for heater test fire.)
Ref # Description
1 Inspect the collector plate (at the top of the burner casting) and the burner cup for any
accumulation of foreign material. Clean if required. Foreign material in the burner cup or
casting will not burn out and will impair burner operation.
2 Burner Cup
3 Ignitor Plug and Electrodes
4 Flame Sensor on the Heater
2
4
3
1