2.Tumbler (Basket) Drive System Replacement a. Tumbler (Basket) Drive Wheel Replacement

1)Discontinue electrical service to the dryer.

2)Disconnect air supply to the dryer.

3)Remove front panels or rear panels that are secured to the front or rear tumbler section of the dryer by removing the access bolts.

4)Remove the eight (8) 3/8-16 x 1" hex head bolts, along with the 3/8" flat washers and 3/8" lock washers securing the panel to the tumbler (basket) section frame and swing the hinged panel out.

5)Disconnect the two (2) 1/4-inch poly-flo tubes connected to the load door piston.

6)Disconnect the following electrical connections;

The front door position switch disconnect plug is located in the left hand side of the front doors. Disconnect this plug and feed the cable through the hole located on the right side of the front panel.

Intake temperature probe disconnect plug is located in the burner/heater section of the dryer just above the 25 HP motor. Disconnect this plug and route through the hole located on the right side of the front panel.

The rear panel controls disconnect plug is located behind the rear panel controls. Disconnect this plug and feed through the hole towards the left hand drum motor section.

The rear door position switch disconnect plug is located on the left hand side of the rear doors. Disconnect this plug and feed the cable through the hole located on the right hand side of the tumbler (basket) section.

7)Swing the panel up far enough to gain access to the drive wheels.

8)Place a block of wood under the tumbler (basket) to prevent the tumbler from dropping on to the frame.

9)Loosen the four (4) 5/8-11 x 5" bolts from the 2-inch pillow block bearing.

10)Loosen the two (2) 1/2-13 x 3-1/2" full thread adjustment bolts so that the drive wheel lines up with the large hole in the frame.

11)Remove the bolts from the wheel taper lock bushing.

12)Insert the bolts into the threaded holes.

13)Tighten the bolts evenly for wheel removal.

14)Mark the inside of the tumbler (basket) drive shaft before removing the wheel taper lock bushing.

15)Loosen the set screws from the taper lock bushing.

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ADC AD-464 service manual