Service Manual

ZT-2100 45
Figure 9. Input Shaft and Bypass Rod Assembly
Refer to Figure 9.
Disassembly
1. Remove the control arm and bypass arm.
See page 39.
2. Drain the oil from the transaxle. See page
11.
3. Remove the side cover. See page 42.
4. Remove the reduction gears. See page
43.
5. Remove the motor shaft. See page 44.
6. Remove the retaining ring (57) and shaft
seal (56). Discard the seal.
7. Remove the spacer (55) and input shaft
assembly (54, 53 & 52).
8. Remove the compression spring (50) and
washer (51).
9. Remove the retaining rings (35 & 31), by-
pass rod (32) and seal (30). Discard the
seal
Inspection
1. Inspect the input shaft components and
bypass rod for wear or damage.
Assembly
1. Visually ensure that the pump block is
aligned concentrically with the center sec-
tion running face.
2. Install the compression spring (50) and
washer (51).
3. Insert the input shaft (52), with bearing (53)
and retaining ring (54), into the pump block
assembly. NOTE: Do not force the shaft and
bearing as damage may occur. If alignment
is correct, the shaft assembly will t into
place
4. Install the washer (55), seal (56) and retain-
ing ring (57). Use a seal protector when
installing the input shaft seal.
5. Deburr the end of the bypass rod. Install the
bypass rod (32), retaining ring (31), seal (30)
and retaining ring (35).
6. Install the motor shaft. See page 44.
7. Install the reduction gears. See page 43.
8. Install the side cover. See page 42.
9. Install new seals in the side housing. See
page 40.
10. Fill the transaxle with oil. See page 11.
11. Install the bypass arm and control arm. See
page 39.
INPUT SHAFT AND BYPASS ROD
57
56
55
54
53
52
51
50
35
31
32
30