Gearbox Repair
Figure 33
Gear Box Disassembly
1. Drain lubricant from gear box.
2. Remove capscrews (Item 1) and lift out shaft and cap
ass
emblies.
NOTE: Mark each gear (Item 10 and 21) so they are
installed on the proper shaft (Item 8 or 19) when
reassembled.
3. Remove thru cap (Item 14) and bearing cones
(I
tem 4, 11) from shaft (Item 8).
4. Remove bearing cup (Item 12) from thru cap (Item 14)
by
putting a punch through the shaft bore and through
the seal and then tapping against the back of the bearing
cup until driven out of the cap.
5. If oil seal (Item 13) is removed, it will be destroyed.
T
o remove the oil seal, cut it out of the bore with a screw
driver or chisel. Be careful not to damage the bore.
6. Remove locknut (Item 23) and lockwasher (Item 22).
7. Press shaft (Item 19) back through seal end of hub
(Item 17). When inner bearing cone (Item 15) is free,
gear (Item 21) and key (Item 20) may be removed from
the shaft. Remove other bearing cone and seal
(Item 18).
8. To remove the bearing cups (Item 16) from the hub
(I
tem 17) a slide hammer puller may be used, or if this
is not available, the bearing cups may be knocked out
with a punch by coming down through the opposite hub
bore and tapping against the back side of the bearing
cup until it comes out.
9. Remove the plugs (Item 6) from the housing.
Repairs P
age 8 - 22 Groundsmaster
®
455-D
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