Displacement Pump

Displacement Pump

Removal

1.Flush pump.

WARNING

Read Injection Hazard, page 3; Burn Hazard, page 4

2.Relieve pressure, page 5.

3.FIG. 15. Stop pump with piston rod (201) in its lowest position.

4.FIG. 14. Loosen two screws (10) and remove pail hook (9).

10

WLD

9

 

6.FIG. 16. Loosen jam nut by hitting firmly with a 20 oz hammer. Unscrew pump.

WLD

FIG. 16

Repair

See manual 309250 for pump repair instructions

FIG. 14

5.FIG. 15. Remove hose (93). Use screwdriver; push retaining spring up; push out pin (8).



WLD





FIG. 15

14

310813 Rev C

Page 14
Image 14
Graco 3400 manual Displacement Pump, Stop pump with piston rod 201 in its lowest position