Graco 390 Repair Manual page 20

Installation
1. Position grommet and power cord wires through
strain relief in control board (33).
33
2. Reconnect the power cord connectors to the correct
terminals indicated on the control board (120V,
black and white, 240V, blue and brown) on control
board (33).
Be sure power cord is routed between the blue high
pressure hose to the manifold and the sprayer
frame.
33
30
20
ti6122a
J
30
ti6125a
3. Carefully slide control board back into place on the
side of the motor frame.
4. Replace 3 screws (30). Torque to 30-35 in-lbs
(3.4-3.9 N.m)
5. Reattach motor connector (B) and pressure control
assembly connector (A).
6. Install shroud (29) and two screws (30).
A
33
B
A
ti5639a
H
Control Board Replacement
B
120V
D
E
F
G
310824C