Graco 249057 Marine Sanitation System User Manual


 
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Service
Repair When Pump Is Off The Sprayer
Disassembling the pump
Fig. 1. Remove packing nut (202) and throat adjust-
ment spacer (228).
Fig. 1
7568A
228
ti2332a
202
Fig. 2. Unscrew intake valve from cylinder.
Fig. 2
7569A
Fig. 3. Disassemble intake valve. Clean and inspect.
O-ring (227) may require a pick for removal.
Fig. 3
227
7570e
Fig. 4. Tap piston rod out of cylinder with a hammer or
flip over and tap p iston rod out against a bench.
Fig. 4
7571a
Note: Sleeve may come out
of cylinder with p iston rod.
Fig. 5. Remove piston rod from sleeve, or remove
sleeve from cylinder. Mark IV: Remove sleeve spacer
(230) from sleeve.
Fig. 5
7572A