Displacement Pump Replacement
311990F
13
Installation
1.
Extend pump piston rod fully. Apply grease to top of
pump rod (D). Install jam nut (34) on pump threads.
2.
Install pump rod (D) into connecting rod (30).
3.
Install pump pin (31). Verify retainer spring (30a) is
in groove over pump pin.
4.
Push pump (33) up until pump threads engage.
5.
Screw in pump until threads are flush with top of
drive housing opening.
6.
Align pump outlet (E) to back.
7.
Screw jam nut (34) up onto pump until nut stops.
Tighten jam nut by hand, then tap 1/8 to 1/4 turn
with a 20 oz (maximum) hammer to approximately
75 ft-lb (102 N•m).
8.
Install suction tube (39) and coupled hose (42).
Tighten nuts (37) and (B).
.
9.
Fill packing nut with Graco TSL until fluid flows onto
top of seal. Install pail hanger (10) with screws (11).
If pump pin works loose, parts could break off due to
force of pumping action. Parts could project through
air and result in serious injury or property damage.
CAUTION
If the pump jam nut loosens during operation, the
threads of the drive housing will be damaged.
D
34
ti9143a
30
30
30a
31
33
ti9144a
ti6111a
ti
E
34
ti9145a
42
B
37
39
ti9139a
10
11
ti9040a
