Graco Inc. 802-777 Pressure Washer User Manual


 
4.
Inspect the plunger shaft for oil leakage from the
crankcase. If leaking is obvious, replace the oil
.seals (216). Otherwise,
DO
NOT remove these
seals as they cannot
be
reused.
NOTE:
Oil Seal .Kit, part
no.
801-658, is
available to replace all three seals.
5.
Lightly grease the oil seal (if
it
is being replaced)
and the flinger, and replace them
on
the plunger
shaft. Then install the plunger.
6. Lightly grease the retaining screw (217) and the
O-ring (214) and backup ring
(220)
around the
outer end of the plunger. Place the washer(218).
screw and install the screw through the plunger.
Torque to 14.4 ft-lb
(2
Nrn).
NOTE:
If you plan to replace the packings, go to
Servicing the V-Packings.
7. Lubricate the outside of each plunger. Slide the
manifold onto the crankcase, being careful notto
damage the seals.
8. Install the eight Allen head cap screws(20l)and
washers (202)finger tight. Torque the screws to
15.9 ft-lb (2.2 Nm) following the tightening
the manifold to bind or jam.
pattern
in
Figure
3.
Uneven tightening maycause
FIGURE
3
..
”.
FIGURE
4
..
10’
802-777
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