Shibaura ST330, Workshop Manual

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90
4. TRANSMISSION 1
1
）
Dissembling
(1) HST unit
①
Remove the HST unit from the front of the
transmission case (2 bolts and 2 nuts.).
② Remove the control lever and adaptor from the
HST unit.
③
Remove the joint, snap ring and O-ring from the
drive shaft.
(2) Drive shaft (PTO)
①
Remove the snap ring (
φ
25) at the rear of the
drive shaft and take out the fixed gear A.
②
Break and remove the oil seal and remove the snap
ring (
φ 52).
③ Drive out the shaft front-wards together with the
bearing.
(3) Drive shaft
（
for traveling
）
① Break and remove the oil seal and remove the snap
ring
（φ
52
）
.
②
Drive out the shaft front-wards together with the
bearing
（ 6205 ） and thrust washer and take out the
counter gear B with needle bearings, collar and
fixed gear A.
NOTE
：
Take care for needle bearing and collar in the counter
gear.
363Y
364Y
365Y
1. O-ring （ P16 ）
2. Drive shaft
3. Oil seal
4. Snap ring
（φ
25
）
5. Snap ring （φ 52 ）
6. Bearing
（
6205
）
7. Fixed gear A
8. Snap ring
（φ
25
）
1. O-ring （φ 21 ）
2. Oil seal
3. Snap ring （φ 52 ）
4. Bearing （ 6205 ）
5. Thrust washer
6. Drive shaft
7. Needle bearing
8. Counter gear B
9. Collar
10. Fixed gear A
11. Bearing
（
6304
）
12. Snap ring （φ 52 ）