15
309016
Pump Service — Models 804596 & 804597
AquaMax DD9023 & DD9021
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 19.5 N-m
(14.4 ft-lb).
7. If you plan to replace the packings, see
Servicing
the V-Packings at right.
8. Lubricate the outside of each plunger. Slide the
manifold onto the crankcase, being careful not to
damage the seals.
9. Install the capscrews and washers fingertight.
Torque the screws to 30 N-m (22 ft-lb) following
the tightening pattern shown in Fig. 4. Uneven
tightening could cause the manifold to bind or jam.
Fig. 4
1
4
2
3
5
8
7
6
9292A
Servicing the V-Packings
There are two types of packing kits: one is packings
only, the other includes the packings, rings, and
retainers. See
Pump Repair Kits on page 20.
1. Remove the manifold as outlined in
Pumping
Section on page 14.
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,
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 on page 14.
Summary of Contents for AquaMax 804594 A Series
Page 8: ...8 309016 Notes...
