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19. Install
the
connecting rod (9).
20.
Screw the displacement pump about 3/4 of the
way into the bearing housing
(6).
Hold the pin
(20)
up to the pin hole in the connecting rod assembly
(9) and continue screwing in the pump until the pin
slides easily into the hole. Back
off
the pump until
the top threads of the pump cylinder are flush with
the face of the bearing housing and the outlet nip-
ple
(22)
is
facing back. Push the retaining spring
(21)
into the groove
all
the way around the connect
-
ing rod. Tighten the jam nut
(86)
to
94
N.m
(70
ft-lb)-very tight to prevent
it
from loosening which
will damage the bearing housing.
See
Figures
25
and
26.
IwARN'NG1
Be sure the retaining spring
(21)
is firmly in the
groove of the connecting rod,
all
the
way
around,
I
io
prevent the pin
(20)
from working
loose
due
to
vibration. See Fig
26.
I
off
due to the force of
the pumping action.
These
If the pin works
loose,
it
or other parts could
break
parts could be projected through the air and result
in serious bodily injury or property damage, in
-
cluding damage to the pump, connecting rod or
bearing housing.
21.
Reinstall the front cover and screws
(11,
13).
Reconnect the suction tube
(14) and pump outlet
hose
(23).
Fig
26
26
307
-
671