User's Manual

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Service

312777E 45

Replacing Solenoids

The Wall Mount Fluid Station has a minimum of 4 sole-

noids. If you have options installed, you have additional

(optional) solenoids for each. See Table 9 and Sche-

matic Diagrams, page 30.

To replace a single solenoid:

1. Follow Preparation, page 42, and shut off power at

main circuit breaker.

2. Disconnect 2 solenoid wires (N) from control board

(302). See F

. 22 and System Electrical Sche-

matic, page 33.

3. Unscrew 2 screws (P) and remove solenoid (313).

4. Install new solenoid (313).

5. Connect 2 wires (N) to control board (302). Solenoid

wires are polarized (red +, black –). Refer to Sys-

tem Electrical Schematic, page 33.

6. Replace the cover (322).

Replacing Control Board Fuses

1. Follow Preparation, page 42.

2. Locate fuse F1 or F2 on the control board. See F

22. Remove the screw and metal strap.

3. Pull the fuse away from the board.

4. Install the new fuse (343).

5. Replace the cover (322).

Replacing a fuse (F1 or F2) with a non-Graco fuse

voids the IS system safety approval.

Fuse Part No. Description

F1, F2 123690 Fuse; 125 mA, intrinsically safe

. 22: Replacing Solenoids and Fuse

Table 9: Wall Panel Solenoids

Solenoid Actuates Fuse

Standard

1 Dose Valve A F1

2 Dose Valve B F1

3 Air Purge Valve F1

4 Solvent Purge Valve F1

Optional

5 Third Flush Valve F2

6 Dump Valve A F2

7 Dump Valve B F2

8 Gun Flush Box 1 F2

9 Gun Flush Box 2 F2

TI12652b

P 313

4321

302

343