Graco ProMix Auto Service Parts page 22

Replacing Control Board
CAUTION
To avoid damaging circuit board when servicing, wear
grounding strap on wrist and ground appropriately.
1.
Follow Preparation
2.
Loosen 6 screws (5) on bottom of panel to remove
control board cover (6). F
Panel only.)
F . 19
IG
3.
Disconnect fiber optic wires and all cables (J1, J3,
J4, J5, J6, J9, J10) from control board (706). F
20.
706
707
F . 20
IG
4.
Remove 4 screws (707). Remove control board
(706). F . 20. (RoboMix Fluid Panel not shown;
IG
use same procedure.)
5.
Install new control board (706) with 4 screws (707).
6.
Connect cables to control board (706). F
Insert fiber optic cable connectors (J4, J6) into
board connectors (E), matching blue with blue,
22
procedure, page 21.
. 19 (RoboMix Fluid
IG
5
6
TI7223a
. 22.
IG
black with black, and hand-tighten connectors (E).
F . 22 and F
IG
F . 21: RoboMix Fluid Panel Circuit Board
IG
.
IG
F . 22: Wall Mount Fluid Panel Circuit Board
IG
7.
Reassemble control board cover with 6 screws (5).
F . 19. (RoboMix Fluid Panel only.)
IG
8.
Reassemble Fluid Panel
9.
Turn EasyKey™ power on to test operation.
Replacing Solenoids
The Fluid Panel has a minimum of 4 solenoids. If you
have a color change valve option installed, you have
additional (optional) solenoids for each color dump valve
and dump valve and catalyst dump valve. Refer to
Pneumatic Diagram, page 27.
To replace a single solenoid.
. 22.
IG
(page 23).
Service
E
E
311189C