Toro Groundsmaster 455-D Service Manual page 243

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Gearbox Pre-Assembly
NOTE: Apply a coating of lubricating oil to bearings
before assembling.
1. Start with input shaft (Item 8) and put gear (Item 9)
over shaft so tooth side is towards turned end of shaft.
Align keyway in gear with keyway in shaft and install one
of keys (Item 9) in keyway.
2. Press bearing cone (Item 4) over turned end of shaft.
3. Put bearing cone (Item 11) over other end of shaft and
down against hub side of gear.
4. Put thru cap (Item 14) down, with machined surface
facing up. Install a new seal (Item 13) into thru cap with
open side toward machined side of thru cap.
5. Install bearing cup (Item 12) into cap (Item 2).
6. Take input shaft and gear assembly and wrap end of
shaft with a piece of shim stock to keep from cutting oil
seal on splines. Put cap assembly down over shaft so
bearing cone (Item 11) on shaft mates with bearing cup
(Item 12) in cap. Remove shim stock from shaft that was
used to protect seal.
7. Press a bearing cone (Item 15) onto splined end of
output shaft (Item 19).
®
Groundsmaster 455-D
13 11
4 2 21
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Figure 34
8. Press a bearing cup (Item 16) into outer end of hub
(Item 17).
9. Install shaft through outer end of hub so bearing cone
on shaft mates with bearing cone in hub.
10. Press a bearing cup (Item 16) into inner end of hub
(Item 17).
11. Press a bearing cone (Item 15) onto threaded end
of shaft so it mates with bearing cone in hub.
12. Install gear (Item 21) over shaft so tooth side is
towards threaded end of shaft. Align keyway in gear with
keyway in shaft and install a key in keyway.
13. Install lockwasher (Item 22) and locknut (Item 23).
Tighten locknut while turning shaft until there is no end
play in shaft. Do not over tighten. shaft should have a
very slight amount of bearing drag when turned.
14. Wrap splined end of output shaft (Item 19) with a
piece of shim stock to prevent damage to oil seal. Install
a new oil seal (Item 18) over shaft and into hub so open
side is facing towards inside of hub.
15. Install plugs (Item 6) into tapped holes in housing.
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Repairs