Toro Groundsmaster 455-D Service Manual page 201

Adjusting Backlash
Backlash specification
Adjust shim thickness (between bearing housing of axle
housing (A) and bearing) to get specified backlash.
Shim stock for this adjustment is available in these
thicknesses:
Thickness
Shim set
0.1 mm (0.004 in.)
0.2 mm (0.008 in.)
0.4 mm (0.016 in.)
Shim Between Differential and Axle Housing (B)
After obtaining specified backlash, determine amount of
shims needed:
1. Put gauge TOR4038 on axle housing (A) and read
clearance (a) between ball bearing and gauge.
2. Select from shim stock (shown above for backlash
adjustment) to match clearance (a).
®
Groundsmaster 455-D
0.25 ∼ 0.35 mm
(0.010 ∼ 0.014 in.)
Part No.
77-4000
76-7290
76-7300
76-7310
Page 6 - 19
Figure 33
TOR4038
Figure 34
Repairs