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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 ( 2 0 )
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
the top threads of the pump cylinder are flush with
the face of the bearing housing and the outlet nip-
is
facing back. Push the retaining spring
ple
( 2 2 )
(21) into the groove all the way around the connect-
ing rod. Tighten the jam nut
ft-lb)-very tight to prevent
will damage the bearing housing. See Figures
and 26.
I w
Be sure the retaining spring (21) is firmly in the
I
groove of the connecting rod, all the
io
prevent the pin (20) from working loose due
vibration. See Fig 26.
If the pin works loose,
off due to the force of the pumping action. These
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).
26
307-671
off
the pump until
to 94 N.m (70
( 8 6 )
from loosening which
it
around,
way
to
or other parts could break
it
25
I
26
Fig
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