Figure 26
Lift out the cylinder block assembly (Item 2). The pistons
may come out of cylinder block bores. There is no
special orientation of piston to bore that needs to be
maintained.
Do not attempt to disassemble the spring and other
pa
rts from the center bore of the cylinder block. The
entire cylinder block assembly (Item 2) should be re-
placed if any of its components are damaged.
Visually inspect wear surfaces of valve plate, cylinder
blo
ck and slippers for damage. Check to be sure pistons
are free in bores.
Remove thrust plate (Item 10) from counter bore in
mo
tor housing (Item 9). Visually inspect both sides for
damage and flatness.
The retaining ring (Item 17) must be removed prior to
re
moval of shaft and bearing. The output shaft seal must
be removed to expose the retaining ring (See Shaft Seal
Replacement). The motor shaft (Item 3) and bearing
(Item 8) can be pressed out of the motor housing.
Repairs Pa
ge 4 - 42 Groundsmaster
®
455-D
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