Repair; Disassemble The Fluid Section - Graco ChemSafe 307 Instructions-Parts List Manual

Repair

Repair
NOTE: Before repairing the pump, follow the
Pressure Relief Procedure, page

Disassemble the Fluid Section

1. Remove all bolt covers (37).
2. Use a 3 mm Allen wrench to remove the base
plates (12) and the inlet manifold (10).
3. Remove the check seat (21) and ball (22).
Without scratching the inner bore, use a hook to
remove the inlet ball retainer (20).
18
14.
4. Turn over the pump.
5. Use a 3 mm Allen wrench to remove the outlet
manifold (8) and retainer (11).
6. Without scratching the inner bore, use a hook to
remove the outlet ball retainer (19). Remove the
ball (22) and check seat (21).
7. Reattach the manifold bolts (29) to keep the fluid
cover nuts (18) aligned.
8. Remove the nuts (28) and bolts (24) using two 7
mm sockets, to hold on one side and to turn the
other. The nuts (28) will come off of one side.
Remove the bolts (24).
NOTE: The nuts are permanently affixed to one
end of the bolts.
9. Remove the fluid cover retainers (9) and the fluid
covers (6) from the body (1).
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