Repair; Disassemble Pump - Graco 19D873 Manual

Repair

Disassemble Pump

1. Remove packing nut and throat
adjustment spacer. Retaining nuts are
not removable and not sold separately.
2. Unscrew cylinder from intake valve.
334599L
3. Dissemble intake valve. Clean and
inspect. O-ring may require a pick for
removal.
NOTICE
If using a pick to remove the O-ring use care
to avoid damage to the machined surfaces.
4. Tap piston rod out of cylinder with a
hammer or flip over and tap piston rod
out against a bench.
ti24875a
Repair
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