Graco Inc. 1595 Premium Hi-Boy - Manual (Page 24)

Troubleshooting
24 3A0157A
Pressure Adjust Potentiometer
Removal
Perform Pressure Relief Procedure; page 8. Wait 5
minutes before servicing.
1. Remove four screws (38) and cover (96).
2. Remove two screws and control panel.
3. Disconnect potentiometer connector (C) from motor
control board (95).
4. Use allen wrench to loosen two screws on knob
(34).
5. Remove gasket (115), nut and potentiometer (82)
from control panel (68).
Installation
1. Install gasket (115), nut and potentiometer (82) on
control panel (68). Torque nut to 30-35 in-lb (3.25 -
4.0 N•m).
2. Rotate new potentiometer shaft to highest pressure
setting (fully clockwise) and install knob (34). Use
allen wrench to tighten two screws on knob.
3. Connect potentiometer connector (C) to motor con-
trol board.
4. Install control panel and tighten two screws.
5. Install cover (96) with four screws (38).
96
38
ti13493a
C
95
ti12997a
34
ti13207a
68
82
115
82
ti13674a
68
82
115
82
ti13674a
34
ti13338a
C
95
ti12997a
96
38
ti13493a