Bearing Housing & Connecting Rod - Graco GM 5000 Instructions-Parts List Manual

BEARING HOUSING & CONNECTING ROD
NOTE: Refer to Fig
23-1
for Step
14.
14.
Screw the displacement pump about
3/4
of the way
into the bearing housing
(21).
Hold the pin
(25)
up the
tinue screwing in the pump until the pin slides easily
pin hole in the connecting rod assembly
(22)
and con-
into the hole. Back off the pump until the top threads
of the pump cylinder are flush with the face of the bear-
ing housing and the outlet nipple (92) faces. back.
way around the connecting rod. Tighten the locknut
Push the retaining spring
(26)
into the groove all the
(27)
to 65 to
75
ft-lb (90 to
100
N.m), using a
2-1/4
in.
open end wrench and a light hammer.
WARNING
Be sure the retaining spring
(26)
Is firmly In the
from working loose due to vibration.
groove, ail the way around, to prevent the pin (25)
If the pin works loose, it or other parts could break
off due to the
force
of the pump action. These parts
could be projected through the air and result in seri-
ous bodily injury or propelty damage, including
damage to the pump connecting rod and bearing
housing.
15.
install the front cover and screws (23,68). Connect the
suction tube (30) and pump outlet hose
(59).
See Fig
22-1.