Service Manual

ZT-4400 29
Figure 24, Pump Block Assembly
23
Pistons
Washers
Springs
Cylinder
Block
31
30
125
22
20
74
82
33
34
MOTOR SHAFT ASSEMBLY
RefertoFigures23,24
Disassembly
1. Remove all external items previously dis-
cussed in their recommended order.
2. Remove retaining ring (30), the spring (31),
motor block (23), and the bypass plate
(125).
3. Remove the retaining ring (34), gear (33),
brake rotor (82), washer (74) and motor
shaft (22).
Inspection
1. Inspect for scratches and or damage to the
brake rotor (82).
2. Inspect the bypass plate (125) for excessive
wear.
3. Inspect the gear (33) for wear or damage.
4. Inspect the pump cylinder block (23) and
center section (20). See page 31 for more
information on inspecting the cylinder
block.
Assembly
1. Reassemble all parts in the reverse order
of disassembly.
23