Toro Groundsmaster 328-D, Service Manual

Page: 199 / 402

Repairs
Axle Removal and Installation
1. Put machine on a level surface, lower cutting unit,
stop the engine and remove key from ignition switch.
Block rear wheels to prevent machine from moving.
2. Remove the cutting unit. (See the Repairs section of
Chapter 11 - Cutting Units.)
3. If unit is equipped with 4WD, remove rear axle drive
shaft (see Chapter 9 - 4WD Rear Axle).
4. Remove hydrostatic transmission. (See Repairs sec-
tion of Chapter 5 - Hydraulic System.)
5. Slightly loosen all front wheel lug nuts. Jack both front
wheels off the ground and install jackstands or blocks
under traction unit frame (not axle tubes) to prevent
machine from falling. Remove both front wheels.
6. Remove extension spring and clevis pin to disconnect
brake cable from brake actuating lever on each brake.
7. Remove capscrew securing axle support bracket to
top of differential. Loosen nuts securing axle support
bracket to frame (Fig. 3A).
8. Put a jack or blocking under differential to hold it in
place. Remove capscrews and locknuts securing axle
mounting pads to frame. Note number of shims between
frame and axle mounting pad, which are used to get
correct engine to transmission alignment (Fig. 3B).
Carefully lower axle and pull it out from under trac-
tion unit.
9. If unit is equipped with 4WD, remove nut (Fig. 3C,
Item 20), washer (Item 21) and flange (Item 22) from
differential axle pinion (Item 8). Use Differential Gear
Holder tool to gears when removing nut.
NOTE: Before installing flange (for 4WD drive shaft),
apply Permatex No. 2 to external splines of pinion and
internal splines of flange. Tighten lock nut to secure
pinion coupler 75 - 90 ft-lb (102 - 122 N-m).
10. To install axle, reverse steps 1 - 9. Leave axle
mounting pad nuts loose. Install shims (P/N 42-6080)
between axle mounting pads and frame to get correct
engine to transmission alignment, then tighten axle
mounting nuts.
Figure 3A
Figure 3B
Figure 3C
Groundsmaster
®
300 Series Page 7 - 3 (Rev. F) Repairs