ADC AD-200 Service Manual download pdf (Page 68)

e. 4-Way Valve, 3-Way Valve, and Supply Air Enable Valve Replacement

1) Discontinue electrical power

to the dryer.

2) Disconnect compressed air

supply from the dryer.

3) Remove the 1/4-20 self-

tapping screws securing the

pneumatic panel cover.

4) Remove the two (2) 1/4-20

screws securing the junction

box cover.

5) Loosen the cord grip cap that

the valve wire goes through.

6) Loosen the appropriate wire

on the terminal strip.

Identify these wires and make note of their placement.

7) Loosen the bolts holding the assembly to the pneumatic panel.

(For 3-way valve and supply air enable valve replacement proceed to Step #13.)

8) Remove the two (2) 1/4” (6.35 mm) poly compression fittings (door open - door close).

9) Remove the two (2) 1/4” (6.35 mm) poly x 1/8” M.P.T. connectors from the valve body.

10) Twist and remove the 4-way valve body off the 1/8” (3.175 mm) street elbow.

11) Remove the muffler (silencer) off the valve body.

12) To install new 4-way valve, reverse above procedure (Step #11 thru Step #1).

13) Remove the 1/4” (6.35 mm) poly compression fitting.

14) Remove the 3-way valve and supply air enable valve from the 1/8” M.P.T. nipple.

15) Remove the muffler (silencer) off the valve body.

16) To install new 3-way valve and supply air enable valve, reverse (Step #15, 14, 13, and Step #7 thru

Step #1).

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 105 106

No comments

ADC AD-200 Service Manual Page 68