Displacement
Pump
A
Ups of throat v-packings must face up
A
Ups
of
plston v-packings
must
face
down
A
Ups
of
U-cup packing must face down
A
Leather
A
poly
n
A
Torque
to
64
N.m
u
Fig.
Installing
the
pump
A
Torque to
95
N.m
A
Face
of
bearing housing
21
Fig.
40
1.
Screw the pump
314
of
the way into the bearing
housing
(6).
Hold the pin (20) up to the pin hole in
the connecting rod
(9)
and continue screwing in
the pump until the pin slides easily into the hole.
See Fig. 40.
'
22
2.
Align the top threads
of
the pump cylinder flush
with the face
of
the bearing housing and
so
the
outlet nipple
(22)
is straight back. See Fig.
40.
3.
Push the retaining spring
(21)
into the groove
of
the connecting rod, all the way around. lighten
the locknut
(56)
very tight
-
95
N.m, to prevent it
loosening and damaging the threads
of
the bear-
ing housing. See Fig. 40.
WARNING
Be sure the retaining spring (21)
is
firmly in the
groove, all the way around, to prevent the.pin
(20)
from working loose due to vibration.
off
due to the force
d
the pump action. These
If
the pin works loose,
it
or other parts could break
in serious bodily injuly or property damage, in-
parts could be projected through the air and result
cluding damage to the pump connecting rod and
bearing housing.
4;
Assemble the remaining parts.
307-889
35
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