Graco TI12552a - Page 49

Service
312780K 49
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 7 and Sche-
matic Diagrams, page 32.
To replace a single solenoid:
1. Follow Preparation, page 46, and shut off power at
main circuit breaker.
2. Disconnect 2 solenoid wires from control board
(302). See F
IG. 21 and System Electrical Sche-
matic, page 35.
3. Unscrew 2 screws (P) and remove solenoid (313).
F
IG. 22.
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 35.
6. Replace the cover (322).
Replacing Control Board Fuse
1. Follow Preparation, page 46.
2. Locate fuse F1 or F2 on the control board. See F
IG.
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
Table 7: 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
F
IG. 22: Replacing Solenoids and Fuse
TI12652b
N
P
313
4321
302
5
67
89
343