ADC AD-410 service manual Excessive noise and vibration

6.Lint drawer or screen is not being cleaned on a regular basis or often enough.

7.Extractors (washer) not performing properly.

8.Sail switch is fluttering...restriction in exhaust (for GAS MODELS ONLY).

9.Failed microprocessor controller (computer)...temperature calibration is inaccurate.

10.Failed microprocessor temperature sensor...calibration is inaccurate.

11.Failed burner hi-limit (for GAS MODELS ONLY).

12.Failed 225° F hi-limit (thermostat).

13.Steam damper system is not functioning properly (for STEAM DRYER ONLY) ...

a.Steam damper sticking closed.

b.Leak in pneumatic system.

14.Undersized load, dryer requires a minimum load size of approximately 250 lbs for maximum drying efficiency.

U.Excessive noise and vibration...

1.Dryer is not leveled properly.

2.Impellor (fan and blower) out of balance ...

a.Excessive lint build up on impellor (fan and blower)...check air jet.

b.Failed impellor (fan and blower).

3.Loose motor mount.

4.Failed idler bearings or tumbler bearings.

5.V-belt(s) either too tight or too loose.

6.Tumbler (basket) drive wheels are worn or are loose.

7.Set screws of tumbler drive shaft bearings are loose.

8.Failed motor bearing.

9.Drive wheel trantorque is loose.

V.Dryer will not tilt...

1.Tilt to unload -- 1-- door...

a)Dryer will not tilt unless the front doors are completely open ...

1)No door open signal.

2)Defective proximity switch.

3)No (external) compressed air to pneumatic switches... 80 psi required (11 cf/hr).

2.Tilting to unload -- 2-doors ...

a)Dryer will not tilt to unload unless the front doors are closed.

3.Lint drawer is open.

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