Graco Inc. Hydra-Clean 1040 - Manual (Page 11)

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Servicing the V–Packings
NOTE: There are two types of packing kits: one is
packings only, the other includes the packings,
rings and retainers.
1. Remove the manifold as outlined in the Pumping
Section.
2. Carefully pull the packing retainer from the manifold.
Examine the o–ring and replace it if it is cut or
damaged.
3. Remove the v–packing and head ring. Pull out the
intermediate retainer ring. Remove the second
v–packing and second head ring.
4. Inspect all parts and replace as necessary.
5. Thoroughly clean the packing cavities and examine
for debris and damage.
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.
CAUTION
Install the parts in the proper order and facing
the correct direction. Improperly installed parts
will cause a malfunction.
7. Reassemble the manifold as instructed in Servicing
the Plungers.