Rear Wheel Spindle Bushing Service - Toro Groundsmaster 300 Series Service Manual

Rear Wheel Spindle Bushing Service

The rear wheel spindles must fit snugly in the rear axle.
Excessive movement of the spindle in the axle indicates
that the bushings are probably worn and must be re-
placed.
1. Disconnect the hydraulic hoses from the steering
cylinder. Put caps or plugs on all the fittings and hoses
to prevent contamination.
NOTE: To ease reassembly, tag each of the hoses to
show their correct position on the steering cylinder.
2. Remove nut (Fig. 16, Item 9) and washer (Item 8)
from end of rear axle pin. Remove the two (2) cap
screws (Item 2) securing the axle pin to the frame.
3. Jack up the frame (just ahead of the rear wheels) until
pressure is taken off the axle pin. Support the machine
with jack stands to prevent it from falling.
4. Pull the axle pin out. This will release the rear axle
and washer(s) from the frame. Carefully pull the entire
axle and wheel assembly out from under the machine.
NOTE: A varying number of washers (Item 45) may have
been installed between the axle pivot tube and frame
during manufacture. Make sure the same number of
washers are installed during reassembly.
5. Remove the retaining ring (Item 12) and washers
(Item 17, 18) that secure the wheel spindle (Item 1, 33)
into the axle tube. Slide the spindle and wheel assembly
out of the axle tube to expose the bushings.
6. Use a punch and hammer to drive both bushings
(Item 4) out of the axle tube. Clean the inside of the axle
tube to remove any dirt and foreign material.
Repairs
(2WD Units)
7. Apply grease to the inside and outside of the new
bushings. Use an arbor press to install the bushings into
the top and bottom of the axle tube. The bushings must
be flush with ends of the axle tube.
8. Wipe the spindle shaft with a rag to remove any dirt
and grease. Inspect the spindles for wear and replace
as necessary.
9. Install the thrust bushing (Item 34) onto the spindle
shaft and push the shaft through the axle tube. Hold the
wheel and spindle shaft assembly in place and install
the thrust washer (Item 18), washer (Item 17) and
retaining ring (Item 12) onto the end of the spindle shaft.
10. Connect the tie rod end to the spindle bracket with
one (1) nut. Tighten the nut to a torque of 25 - 33 ft-lb.
Install the jam nut and tighten against the other nut to
secure tie rod end.
11. Mount the axle to the frame with the axle pin. The
washer(s) (Item 45) must be positioned between the
front end of the pivot tube and the frame (see the NOTE
after step 4). Secure the axle pin in place with the two
(2) cap screws (Item 2). Install the washer (Item 8) and
nut (Item 9).
12. Remove the jackstands and lower the machine to
the shop floor.
13. Install the hydraulic hoses to the steering cylinder.
14. Lubricate the steering spindle and rear axle pivot.
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Groundsmaster 300 Series