Toro Sand Pro 5040 Service Manual page 139

Disassembly (Fig. 13)
1. Remove retaining ring that secures pinion gear as-
sembly in steering cover. Pull pinion gear and bearings
from steering box.
2. Remove eight (8) cap screws that secure steering
plate to steering cover.
3. Remove steering plate, gasket, shim(s) and sector
gear from steering cover.
4. If necessary, remove bearings from pinion gear:
A. Remove retaining ring from pinion gear shaft.
B. Press bearings and spacer tube from pinion gear
shaft.
C. Discard removed bearings.
5. If necessary, remove bushings from steering cover
and steering plate.
6. Thoroughly clean all steering box components. In-
spect components for wear and/or damage.
Assembly (Fig. 13)
1. If removed, install bushings into steering cover and
steering plate. Make sure that bushing flange is fully
seated.
Sand Pro & Infield Pro 3040/5040
2. If bearings were removed from pinion gear shaft:
A. Press first bearing onto shaft by applying pres-
sure equally to the inner and outer bearing race.
B. Slide spacer tube onto pinion shaft and then
press second bearing onto shaft.
C. Install retaining ring to secure bearings to pinion
gear.
3. Slide pinion gear assembly into steering cover.
4. Secure pinion gear in steering cover with retaining
ring.
5. Install sector gear into steering cover making sure to
align gear teeth of sector gear and pinion gear.
6. Fill steering housing with number 2 general purpose
grease. Make sure all gear teeth on the sector and pin-
ion gears are covered with grease.
7. Install shim(s), gasket and steering plate to steering
cover.
8. Secure assembly with eight (8) cap screws. Torque
screws in a crossing pattern from 175 to 225 in–lb (19.8
to 25.4 N–m).
9. After assembly of steering box, make sure that sec-
tor gear has minimal endplay. Also check that pinion
shaft rotates freely. Maximum input torque to rotate pin-
ion shaft must be less than 5 in–lb (.56 N–m). If neces-
sary, add or remove shims to adjust endplay and input
torque.
Page 6 – 21 Chassis