Toro Groundsmaster 3280-D Service Manual page 398

Installing the Bevel Gear Case and Axle Case (4-Wheel Drive Axle) (continued)
Drive Axles: Service and Repairs
Position a dial indicator at the tooths center. Prevent the axle from turning
and measure the lower bevel gear to the axle gear backlash
Lower bevel gear backlash: 0.10 to 0.40 mm (0.004 to 0.016 inch)
10. Adjust backlash by increasing or reducing the axle bearing shim thickness;
refer to the Axle Shafts (4-Wheel Drive Axle) (page
Note: Axle bearing shims are available in 0.20 mm (0.008 inch), 0.30 mm.
(0.012 inch), and 0.50 mm (0.020 inch) thickness.
11. Tighten the axle cover screws to 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 the mounting screws and nuts to 47
to 56 N·m (35 to 41 ft-lb) (Figure 256).
Page 8–56
(Figure 265).
8–59).
Groundsmaster ® 3280-D/3320
05138SL Rev B