ti7258a

Pressure Control Board

Pressure Adjust Potentiometer

Removal

Relieve pressure; page 9. Wait 5 minutes before servicing.

1.Remove four screws (38) and cover (96). 96

38

ti13493a

2.Disconnect potentiometer connector (C) from motor control board (95).

95

C

ti12997a

3.Remove pressure control knob (34) with a hex wrench.

34

Installation

1.Install gasket (115), nut and potentiometer (82) on control panel (68). Torque nut to 30-35 in-lb (3.38 - 3.95 N•m).

68

82

82

 

115

ti12998a

 

2.Install pressure control knob (34): Check pressure control knob alignment to potentiometer shaft. Turn shaft fully clockwise and attach knob in full ON position with a hex wrench.

34

ti7258a

3.Connect potentiometer connector (C) to motor control board.

95

C

ti12997a

4.Remove gasket (115), nut and potentiometer (82) from control panel (68).

68

82

82

 

115

ti12998a

 

4.Install cover (96) with four screws (38). 96

38

ti13493a

311365G

27

Page 27
Image 27
Graco Inc ti13459a, 311365G, ti13460a, ti13450a, ti13461a important safety instructions Pressure Adjust Potentiometer