ADC AD-464 service manual

Models: AD-464

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b.Cool Down Damper Piston Replacement

1)Discontinue electrical service to the dryer.

2)Discontinue the air supply to the dryer.

3)Remove the two (2) 1/4" poly x 1/4" M.P.T. connectors from the piston.

4)Loosen the 1/4-20 x 3/8" set screw from the clevis and remove the clevis pin.

5)Remove the piston from the damper cylinder mounting plate.

6)To install new cool down damper piston, reverse Step #8 thru Step #3.

7)Reestablish the air supply to the dryer.

8)Reestablish electrical service to the dryer.

8.Load Door System

Load Door Assembly - the dryer uses a piston operated cable assembly to open and close the load doors. When

the piston is in the retracted position, the doors are closed. The top and bottom section of the load doors have upper and lower, as well as, right and left side clamp plates attached to the doors. The cable (wire rope) is attached to the doors with four (4) cable clamp plates. The cable clamp plate is secured to the clamp plate with a 5/16-18 x 3/4" bolt and 5/16" lock washer.

a.Door Piston Replacement

1)Discontinue electrical service to the dryer.

2)Discontinue the air supply to the dryer.

3)Block the bottom load door in the closed position prior to disassembly of any parts.

IMPORTANT: FAILURE TO BLOCK THE BOTTOM LOAD DOOR SECURELY IN THE CLOSED POSITION MAY RESULT IN PERSONAL INJURY.

4)Remove the two (2) 1/4" x 1/4" poly connectors from the piston.

5)Loosen the turnbuckle so that the cable becomes slack.

6)Loosen the set screw securing the cylinder clevis assembly to the piston shaft.

7)Remove the 5/16-24 x 1/4" socket head cap screw and 5/16" lock washer from the piston base.

8)Unscrew the piston shaft from the cylinder clevis assembly.

9)To install new door piston, reverse Step #8 thru Step #3.

10)Reestablish the air supply to the dryer.

11)Reestablish electrical service to the dryer.

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ADC AD-464 service manual