Graco 231-032 A Series Instructions And Parts List page 29

19. Install the connecting rod
( 2 9 ) .
20.
Screw the displacement pump about 3/4 of the
way into the drive housing
(181.
Hold the pin
( 2 0 1
up
to the pin hole in the connecting rod assembly
(29)
and continue screwing in the pump until the pin
the top threads of the pump cylinder are flush with
slides eesly into the hole. Beck off the pump until
the face of the drive housing end the outlet nipple
to the groove all the way around the connecting
( 4 6 1
is facing back. Push the retaining spring (35) in-
rod. Tighten the jam nut
( 3 8 1
to
76-86
ft-lb (102-115
Nm)-very tight to prevent
it
from loosening which
will damage the drive housing. See Fig 24.
Be sure the retaining spring
( 3 5 1
is firmly in the
WARNING
to prevent the pin
( 2 0 1
from working loose due to
groove of the connecting rod, all the
w a y
around,
vibration.
See
Fig 24.
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
cluding damage to the pump, connecting rod or
in serious bodily injury or property damage, in-
drive housing.
21. Reinstall the front cover and acrews (31, 32
hose (47).
Reconnect the suction tube (42) and pump out11