Toro 500 EFI Service Manual page 165

5. Remove the hub assembly.
6. Remove the four cap screws securing the brake disc.
CLEANING AND INSPECTING
1. Clean all hub components.
2. Inspect all threads for stripping or damage.
3. Inspect the brake disc (if applicable) for cracks or
warping.
4. Inspect the hub for pits, cracks, loose studs, or spline
wear.
REPLACING WHEEL STUDS
1. Secure the hub in a suitable holding fixture and
remove the brake disc (if applicable).
2. Drive the damaged stud out of the hub; then place the
new stud into the hub and thread on an appropriate
flange nut.
3. Using a socket and ratchet handle, tighten the nut
until the stud is fully drawn into the hub.
PR243A
INSTALLING
1. Secure the brake disc (if applicable) to the hub with
the four cap screws coated with red Loctite #271.
Tighten to 15 ft-lb.
2. Apply grease to the splines in the hub.
PR254A
3. Install the hub assembly onto the axle; then place the
transmission in park.
4. Secure the hub assembly with the nut. Tighten to 200
ft-lb; then secure with a new cotter pin.

NOTE: If the cotter pin cannot be inserted due to
misalignment of the hole in the axle and the slots in
the nut, tighten the nut until properly aligned.
PR250
PR252A
PR254B
PR221
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