Displacement Pump Replacement - Graco 190ES Repair Manual

Displacement Pump Replacement

See manual 309250 for pump repair instructions.
Removal
1. Relieve pressure, page 5. Unplug sprayer from outlet.
2. Loosen two screws (11) and remove pail hanger (10).
3. Loosen nut (37) and remove suction tube (39).
Loosen nut (B) and remove coupled hose (42).
37
39
312805A
11
10
ti9138a
B
42
ti9139a
4. Cycle pump until pin (31) is in position to be
removed.
5. Disconnect power cord from outlet.
6. Push up retaining spring (C). Push out pump pin (31).
7. Loosen pump jam nut (34). Unscrew and remove
pump (33).
34
Displacement Pump Replacement
ti9040a
33
ti9141a
C
31
11