Pressure Adjust Potentiometer - Graco ti13498a Repair Manual

Troubleshooting
Removal
Relieve pressure; page 8. Wait 5 minutes before servic-
ing.
1. Remove four screws (38) and cover (96).
96
38
2. Remove two screws and control panel.
3. Disconnect potentiometer connector (C) from motor
control board (95).
C
4. Remove pressure control knob (34) with a hex
wrench.
34
22

Pressure Adjust Potentiometer

ti13493a
95
ti12997a
ti7258a
5. Remove gasket (115), nut and potentiometer (82)
from control panel (68).
82
115
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).
82
115
2. Install pressure control knob (34): Check pressure
control knob alignment to potentiometer shaft. Turn
shaft fully clockwise and attach knob in full ON posi-
tion with a hex wrench. Make sure set screw is tight-
ened flat against potentiometer shaft.
34
68
82
ti13674a
68
82
ti13674a
ti7258a