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).

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Graco 1030 dimensions Installation, Pull piston rod 201 out of pump 3 2 to 3 inches 50 to 75 mm