FRONT AXLE
M6040, M7040, WSM
6-S5
4. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
Adjusting Toe-in
1. Park tractor on a flat place.
2. Turn steering wheel so front wheels are in the straight ahead
position.
3. Lower the implement, lock the park brake and stop the engine.
4. Measure distance between tire beads at front of tire, hub height.
5. Measure distance between tire beads at rear of tire, hub height.
6. Front distance should be shorter than rear distance.
7. If not, adjust tie-rod length.
Toe-in Adjustment
1. Remove the cylinder covers.
2. Detach the snap ring (1).
3. Loosen the tie-rod end lock nut (3).
4. Turn the rod end (4) to adjust until the proper toe-in
measurement is obtained.
5. Retighten the tie-rod nut (3).
6. Attach the snap ring (1) of the tie-rod joint.
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Axial Sway of Front Wheel
1. Jack up the front side of tractor.
2. Set a dial gauge on the outside of rim.
3. Turn the wheel slowly and rear the runout of rim.
4. If the measurement exceeds the factory specifications, check
the bearing, rim and front wheel hub.
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Adjusting Front Axle Pivot
1. Jack up the tractor body, then loosen the front axle rocking force
adjusting lock nut (2).
2. Screw-in the adjusting screw (1) until seated, then tighten the
screw (1) with an additional 1/6 turn. Re-tighten the lock nut (2).
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Toe-in (b–a) Factory specification
2.0 to 8.0 mm
0.078 to 0.315 in.
Tightening torque Tie-rod end lock nut
167.7 to 196.1 N·m
17.1 to 20.0 kgf·m
123.7 to 144.7 lbf·ft
(1) Snap Ring
(2) Tie-rod Joint
(3) Tie-rod End Lock Nut
(4) Rod End
(a) Wheel-to-wheel distance at front
(b) Wheel-to-wheel distance at rear
(c) "FRONT"
Axial sway of front wheel
(Face runout of wheel at
bead)
Factory specification
Less than
5.0 mm
0.197 in.
Tightening torque
Front axle rocking force
adjusting lock nut
98.1 to 147.1 N·m
10.0 to 15.0 kgf·m
72.3 to 108.5 lbf·ft
(1) Front Axle Rocking Force Adjusting
Screw
(2) Front Axle Rocking Force Adjusting
Lock Nut
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