Graco 390 Repair Manual

Control Board Replacement
20 310824C
Installation
1. Position grommet and power cord wires through
strain relief in control board (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).
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).
Be sure power cord is routed between the blue high
pressure hose to the manifold and the sprayer
frame.
33
ti6122a
ti6125a
A
B
33
120V
H
B
A
J
G
F
E
D
ti5639a
30
33
30

Graco 390 Specifications

General

Max Pressure	3300 PSI
Flow Rate	0.47 GPM
Weight	30 lbs
Power Source	Electric
Type	Airless
Hose Length	50 ft
Voltage	120V
Horsepower	0.625 HP