Graco Inc. 802-776 Pressure Washer User Manual


 
4.
Inspect the plunger shah for oil leakage from the
crankcase.
If
leaking is obvious, replace the oil
seals (214). Otherwise,
DO
NOT remove these
seals as they cannot be
reused.
NOTE:
available to replace
both
seals.
Oil Seal
Kit, part
no.
801-658, is
5.
Lightly grease the oil seal (if
it
is being replaced)
shah. Then install the plunger.
and the flinger. and replace them
on
the plunger
6. Lightly grease the retaining screw (21 5) and the
outer end of the plunger. Place the washer (21
6).
O-ring (217) and backup ring (218) around the'
screw and install the screwthroughthe plunger.
Torque to 14.4 h-lb (2 Nm).
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 six Allen head cap screws (201) and
washers (202) finger tight. Torque the screws
to
15.9 h-lb (2.2
Nm)
following the tightening
the manifold to bind or jam.
pattern
in
Figure3. Uneven tighteningmaycause
FIGURE
3
FIGURE
4
10
802-776
.
.
.
"
.
.
.
.
.
...
.,
.
,.
... .