Graco 309063F important safety instructions Pressure Adjust Potentiometer

Models: 309063F

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Pressure Control Repair

For these models and series only: 232900 A, B, C, D, E

232901 A, B, C, D

233797 A, B, C, D

233815 A, B, C, D

232903 A, B

232906 A, B

Pressure Control Transducer

Removal

Refer to Fig. 10 and 11, 13 or 14 depending on sprayer voltage.

1. Relieve pressure; page 6.

2.Remove four screws (18) and cover (39).

3.Disconnect lead (E) from motor control board (35).

4.Remove two screws (22) and filter housing (45).

5.Thread transducer lead plastic connector down through transducer grommet (28).

6.Remove pressure control transducer (52) and packing o-ring (51) from filter housing.

Installation

1.Install packing o-ring (51) and pressure control transducer (52) in filter housing (45). Torque to 30--35 ft-lb.

2.Thread transducer lead plastic connector up through transducer grommet (28).

3.Install filter housing (45) with two screws (22).

4.Connect lead (E) to motor control board (35).

5.Install cover (39) with four screws (18).

Pressure Adjust Potentiometer

Removal

Refer to Fig. 10 and 11, 13 or 14 depending on sprayer voltage.

1. Relieve pressure; page 6.

2.Remove four screws (18) and cover (39).

3.Disconnect all leads from motor control board (35).

4.Remove five screws (36) and board (35)

5.Remove potentiometer knob (27), sealing shaft nut (33) and pressure adjust potentiometer (26).

Installation

1.Install pressure adjust potentiometer (26), sealing shaft nut (33) and potentiometer knob (27).

a.Turn potentiometer fully clockwise.

b.Install knob at full clockwise position.

2.Install board (35) with five screws (36).

3.Connect all leads to motor control board (35).

4.Install cover (39) with four screws (18).

309063 21

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Graco 309063F important safety instructions Pressure Adjust Potentiometer