Kubota M5040, Workshop Manual

Page: 355 / 559

6-S18
M5040, M6040, M7040, WSM FRONT AXLE
[4] SERVICING
(1) 2WD Model
Clearance between Front Axle Middle Boss and Bracket
Bushing
1. Measure the front axle middle boss O.D. at several points where
it contacts with the bushings.
2. Measure the front axle bracket (front) bushing I.D. and bracket
(rear) bushing I.D. in the same method, and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace it.
(When replacing bushing)
• Before press-fitting the bushing, install the new thrust collar.
• Install the oil seals, noting their direction.
W1018414
Clearance between Knuckle Shaft (Kingpin) and Bushing
1. Measure the shaft O.D. at several point where it contacts with the
bushings.
2. Measure the bushing I.D. in the same method, and calculate the
clearance.
3. If the clearance exceeds the allowable limit, replace the bushing.
(When replacing bushing)
• Remove the bushing with a bushing puller set (Code No. 07916-
51011).
W1018596
Taper Roller Bearing
1. Check the bearing for abrasion, color change or other damage.
2. If there is any doubt as to the condition of a taper roller bearing,
replace it.
W1035278
Clearance between front
axle middle boss and
bracket bushing
Factory spec.
0.050 to 0.150 mm
0.00197 to 0.00590 in.
Allowable limit
0.35 mm
0.0138 in.
Front axle middle boss
O.D.
Factory spec.
39.938 to 40.000 mm
1.57236 to 1.57480 in.
Bracket bushing I.D. Factory spec.
40.050 to 40.088 mm
1.57677 to 1.57827 in.
Clearance between
knuckle shaft (kingpin)
and bushing
Factory spec.
0.020 to 0.125 mm
0.00079 to 0.00492 in.
Allowable limit
0.35 mm
0.0138 in.
Knuckle shaft O.D. Factory spec.
37.975 to 38.000 mm
1.49508 to 1.49606 in.
Bushing I.D. Factory spec.
38.020 to 38.100 mm
1.49685 to 1.50000 in.
KiSC issued 06, 2008 A