Graco Inc. 308-518 Pressure Washer User Manual


 
Servicing the V-Packings
NOTE:
There are two types of packing kits: one is
just
packings, the other includes the packings,
rings and retainers.
5. Thoroughly clean the packing cavities and
examine.
6. Lightly grease the packing cavities and then
replace the packings in the following order: head
ring, v-packing, intermediate ring, head ring,
v-packing and packing retainer with the o-ring
installed in the retainer groove.
1.
2.
3.
4.
Remove the manifold as outlined in the Pumping
Section.
Carefully pull the packing retainer from the
manifold. Examine the o-ring and replace it if it is
cut or damaged.
Remove the v-packing and head ring. Pull out the
intermediate retainer ring. Remove the second
v-packing and second head ring.
Inspect all parts and replace as necessary.
7. Reassemble the manifold as instructed in Servicing
the Plungers.
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