Sub Assembly Repair; Toro Models 38066, 38078, 38083, 38084; Traction Shaft/Friction Wheel Disassembly - Toro Lawn-BoySeries Service Manual

SUB ASSEMBLY REPAIR —
TORO MODELS 38066, 38078, 38083,
38084, 38086
This section will cover the disassembly and repair of the
traction shaft/friction wheel and the axle and friction plate
assembly after they have been removed from the
chassis.

Traction Shaft/Friction Wheel Disassembly

1. With the assembly out and on the bench, the
bearings will just slide off the shaft (Figure 122).
2. Note the locations of all thrust washers before
removing them.
3. The small sprocket is keyed and set screwed to
the shaft. Remove the sprocket then the spacer.
Two Stage Snowthrower Drive Systems Manual
1. Bearing-triangle 7.
2. Shaft-hex 8.
3. Friction wheel 9.
4. Hub-traction disc 10. Sprocket
5. Washer-thrust 11. Washer-thrust
6. ASM-Slider ring 12. Key-square
Traction Drive Systems
Figure 122
RIng-retaining 13. Screw-HS
Spacer 14. Screw-HH
Roller chain 15. Nut-lock Ni
16. Nut-lock Ni
17. Washer-thrust
18. Link-chain
4. The friction wheel, hub, and slider ring will slide off
the hex shaft.
5. The friction wheel can now be replaced by
removing the 4 cap screws and locknuts that
secure it to the hub.
38086-02
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