Toro Groundsmaster 4500-D Series Service Manual page 386

Installation (continued)
Axles, Planetaries and Brakes: Service and Repairs
Position a dial indicator at the tooths center. Prevent the axle from turning
and measure the lower bevel gear to axle gear backlash
LOWER BEVEL GEAR BACKLASH: 0.10 to 0.40 mm (0.004 to 0.016 in)
10. Adjust backlash by increasing or reducing axle bearing shim thickness (see
Axle Shafts (page 7–31)).
Note: Axle bearing shims are available in 0.2 mm (0.008 in), 0.3 mm (0.012
in) and 0.5 mm (0.020 in) thickness.
11. Tighten axle cover screws from 23 to 27 N·m (17 to 20 ft-lb).
12. Coat a new O-ring with grease and install the bevel gear case/axle case
assembly on the axle support. Tighten mounting screws and nuts from 47 to
56 N·m (35 to 41 ft-lb) (Figure 245).
Page 7–28
(Figure 254).
Groundsmaster ® 4500-D/4700-D
19245SL Rev A