Toro ProCore SR Series Service Manual page 116

Gearbox Service (SR54 and SR54- -S)
6
1
9
1. Oil seal
2. Retaining ring
3. Shim set (gear backlash)
4. Shim set (input shaft endplay)
5. Tapered bearing (cup and cone)
6. Output shaft
Gearbox Disassembly (Fig. 4)
1. Thoroughly clean all corrosion and burrs from output
shaft and input shaft to allow easier gearbox disassem-
bly.
2. Carefully pry cover plate (item 12) from rear of hous-
ing taking care to not damage housing opening. Check
that sealing surface of cover is not damaged. Replace
cover if necessary.
3. Remove three (3) oil seals (item 1) from gearbox
housing taking care to not damage seal bores in hous-
ing. Discard oil seals.
Gearbox Service
8
3
2
7
15
16
4
13
7. Relief vent
8. Ball bearing
9. Housing
10. Retaining ring
11. Bevel gear
12 11
1
Figure 3
4. Use a press to remove output shaft and bearings
from gearbox housing:
NOTE: Shim set (item 3) is used to adjust gearbox
backlash. When removing output shaft and bearings,
take note of location and number of shims to assist in as-
sembly process.
A. Remove retaining ring (item 2) and shim(s) (item
3) from ball bearing side of gearbox housing.
B. Support bevel gear (item 11) to prevent it from fal-
ling.
C. Press output shaft toward the ball bearing (item
8) side of the housing to remove shaft. Ball bearing
should remain on shaft.
Page 7 - - 6
3
2
5
14
10
12. Cover plate
13. Input shaft
14. Plug (3 used)
15. Inner bearing
16. Outer bearing
ProCore SR Series
1