Toro Groundsmaster 4500-D Series Service Manual page 385

Installation (continued)
Groundsmaster ® 4500-D/4700-D
19245SL Rev A
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g276517
1. Axle support
2. Upper bevel gear
3. Differential shaft gear
7. Temporarily install the bevel gear case/axle case assembly on the axle
support. Position a dial indicator at the tooths center. Prevent the axle from
turning and measure the upper bevel gear to differential shaft gear backlash
(Figure 253).
UPPER BEVEL GEAR BACKLASH: 0.10 to 0.40 mm (0.004 to 0.016 in)
8. Adjust backlash by increasing or reducing axle bearing shim thickness (see
Differential Shafts (page
Note: Axle bearing shims are available in 0.1 mm (0.004 in), 0.2 mm (0.008
in) and 0.5 mm (0.020 in) thickness.
g276518
1. Axle cover assembly
2. Lower bevel gear
3. Axle gear
9. Remove the bevel gear case/axle case assembly from the axle support. Coat
a new O-ring with grease and temporarily install the axle cover assembly.
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Figure 253
4. Dial indicator
5. Axle bearing shims
7–29)).
4
Figure 254
4. Dial indicator
5. Axle bearing shims
Page 7–27 Axles, Planetaries and Brakes: Service and Repairs
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