Graco 311688L important safety instructions Replace the Ball Check Valves, Disassembly, Reassembly

Repair

Replace the Ball Check Valves

Ball Check Valve Repair Kit 245067 is available. Parts included in the kit are marked with a (‡). For the best results, use all parts in the kit.

Disassembly

1.Remove fluid covers (see page 13). Do not remove housing (54).

2.Remove the inlet and outlet ball checks (26-32). Note that the orientation of the inlet check parts is different than the outlet check parts. (See FIG. 7.)

NOTE: If the inlet seats (31) are difficult to remove, drive them out from the opposite side using a brass rod and hammer.

3. Replace all parts provided in Kit 245067.

Reassembly

1.Reinstall the inlet and outlet ball checks on one side of the pump. The inlet and outlet checks are assem- bled differently, install them exactly as shown in FIG. 7.

2.Install one fluid cover loosely to prevent the ball checks from falling out.

NOTE: Align the through holes in the housing with each other and with the covers.

3.Turn the pump over and install the ball checks on the opposite side, exactly as shown.

4.Reinstall the fluid covers. (See page 13.)

20 311688L