Service

Service

Cleaning / Repairing the Fluid Section

NOTE: Do not disassemble the fluid and counting sec- tions simultaneously. Confirm the fluid section is fully assembled before removing the counting section.

1.Relieve pressure, page 8.

2.Close fluid shut off valve (L).

3.Remove nozzle (101) and extension (102).

101

102

FIG. 10

4.Turn meter cap (17) counter-clockwise to unscrew and remove it from the meter housing.

17

FIG. 11

5.Remove seal (18) and piston assembly (19). If the piston assembly sticks, lightly tap the housing against a flat surface to loosen it (FIG. 12).

19 18

FIG. 12

6.Insert a screwdriver into the notch of the piston assembly (19) and pry off the piston cover (19d). See FIG. 13. Remove all parts.

19d

19

FIG. 13

7.Clean the parts (19a-g) and blow them dry.

8.Reassemble the piston assembly (19) and install in meter.

9.Install cover (17) on meter housing. Torque to 11-14 ft. lbs (14.9-18.9 N•m).

10.Install nozzle and extension assembly (101 and 102).

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333492B

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Graco 333492B important safety instructions Service, Cleaning / Repairing the Fluid Section