Service
54 312780K
Replacing Control Board Fuse
1. Follow Preparation, page 46.
2. Locate fuse F1 on the control board. See F
IG. 29.
Remove the screw and metal strap.
3. Pull the fuse away from the board.
4. Install the new fuse (497).
5. Reinstall covers (427, 410).
Replacing the fuse with a non-Graco fuse voids the
IS system safety approval.
Fuse Part No. Description
F1 123690 Fuse; 125 mA, intrinsically safe
FIG. 29: 255765 Fluid Station Control Board
J6
(F.O. Input - black)
J4
(F.O. Output -
J10
(Power Input)
J5
(Flow Control)
J11
(Color Change Module)
J7
(Not Used)
J15
(Solenoid Output:
3rd Flush Valve, Dump Valve A)
J8
(Solenoid Output: Dump Valve B)
J14
(Solenoid Output:
Air Purge Valve and Solvent Flush Valve)
J1
(Digital Input)
J9
(Solenoid Output:
Dose Valves A and B)
J3
(Meter A and B Input)
J12
(Solvent Meter Input)
J13
(Not Used)
F1 (497)
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