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32
Repair Information
– Series 2 Variable Displacement Pump
Shown here is a simple
wooden box that may be
used to support the rotat-
ing group during disas-
sembly and reassembly.
Cut two radius that match
the radius machined on
the back side of the
swashplate into the top of
the box. (see Figure 39)
With the swashplate and
rotating group supported,
remove the slide block
from the swashplate. (see
Figure 40)
Next, remove the rear
bearing by using the bear-
ing puller that was previ-
ously installed. (see Fig-
ure 41)
With the rear bearing re-
moved, carefully slide the
swashplate and rotating
group up and over the
pump shaft assembly.
(see Figure 42)
Remove the pump shaft
assembly from the sup-
port box. When it is nec-
essary to replace the front
bearing, a hydraulic press
will be needed to remove
the bearing from the shaft.
Replacement bearings are
pressed to a specific di-
mension. These dimensions, per each pump model, are listed
on page 57 in the back of this manual. (see Figure 43)
Reposition the swashplate and
rotating group back on the sup-
port base. Next, using a 1/4 in.
allen wrench or bit socket, re-
move the screws, spacers and
strap from only one side of the
swashplate. At this time also
loosen the other side. This will
make it easier to retain the as-
sembly during handling. (see
Figure 44)
Reposition the swashplate and
rotating group on a clean flat sur-
face. Carefully remove the
swashplate from the rotating
group. Again using a 1/4 in. allen
wrench or bit socket remove the
screws, spacers and strap from
the other side of the swashplate.
(see Figure 45)
Shown here are all the parts used
for the fixed hold down, retain-
ing cap screws, washers, straps,
spacers and thrustplate. (see
Figure 46)
After separating the cylinder bar-
rel assembly from the swash-
plate, remove the piston assem-
blies and piston retainer and
place them on a clean protective
surface for inspection and clean-
ing. (see Figure 47)
Using a 5/8 allen wrench or bit
socket remove the clocking link
retaining plug. (see Figure 48)
Figure 39
Figure 47
Figure 44
Figure 43
Figure 48
Figure 40
Figure 41
Figure 42
Figure 45
Figure 46