11824111
Pump Service: 2030 Pressure Washer
6. Lightly grease the retaining screw and the outer
end of the plunger. Place the washer, O-ring, and
backup ring around the screw, and install the nut
through the plunger. Torque to 11 ft-lb (15 NSm).
NOTE: If you plan to replace the packings, see
Servicing the V-Packings at right.
7. Lubricate the outside of each plunger. Slide the
manifold onto the crankcase, being careful not to
damage the seals.
8. Install the capscrews and washers finger tight.
Torque the screws to 8.8 ft-lb (12 NSm) following
the tightening pattern (Fig. 3). Uneven tightening
could cause the manifold to bind or jam.
Fig. 3
14
2
3
5
8
7
6
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 Pumping
Section on page 10.
2. Carefully pull the packing retainer from the
manifold. Examine the O-ring, and replace if 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 or damage.
6. Lightly grease the packing cavities, and replace
the packings in the following order: head ring,
V-packing, intermediate ring, head ring, V-packing,
packing retainer. Install the O-ring 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 on page 10.
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