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Displacement pump repair, Warning – Graco TEXSPRAY 1030 User Manual

Page 11

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Displacement Pump Repair

Installation

1. Fig. 4. Screw assembled dump valve manifold (85)

and air cylinder (22) into pump (3).

2. Fig. 5. Pull piston rod (201) out of pump (3) 2 to 3

inches (50 to 75 mm).

WARNING

MOVING PARTS HAZARD

If pin works loose, parts could break off

due to force of pumping action. Parts

could project through the air and result in

serious injury or property damage. Make sure pin

and retaining spring are properly installed.

3. Lift pump (3) into position and push in pin (38). Be

sure retaining spring (37) snaps down over end of

pin.

4. Support weight of pump (3) and fasten two quick

disconnect screws (27). Torque screws to 20 ft-lb

(27 N.m).

5. Fig. 4. Reattach air hoses (158) and (159) to prime

valve manifold (85). Ensure air hoses are attached

to the correct port on air cylinder (22).

6. Fig. 6. Route the pressure transducer cord (63,

Fig. 4) to the control box and attach to port (D) on

control board (9). Assemble cover (C) to control

housing (54) using four screws (12).