6-S18
L4400 , WSM
FRONT AXLE
[4] SERVICING
(1) 2WD Type
Clearance between Front Axle Middle Boss and Shaft Brancket
Bushing
1. Measure the front axle middle boss O.D. at several points where
it contacts with the bushing.
2. Measure the shaft bracket 1 bushing I.D. and bracket 2 bushing
I.D. in the same method, and calculate the clearance.
3. If the clearance exceeds the allowable limit, replace them.
(When reassembling)
• Before press-fitting the bushing, install the new thrust collar.
Clearance between Knuckle Shaft (Kingpin) and Bushing
1. Measure the shaft O.D. at several points 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 reassembling)
• Remove the bushing with a bushing puller.
W1032635
Clearance between front
axle middle boss and
bushing
Factory spec.
0.000 to 0.147 mm
0.00000 to 0.00579 in.
Allowable limit
0.3 mm
0.012 in.
Front axle middle boss
O.D.
Factory spec.
39.938 to 40.000 mm
1.57236 to 1.57480 in.
Bushing I.D.
Factory spec.
40.000 to 40.085 mm
1.57480 to 1.57815 in.
(1) Thrust Collar
(2) Bushing
(3) Oil Seal
Clearance between
knuckle shaft (kingpin)
and bushing
Factory spec.
0.000 to 0.285 mm
0.00000 to 0.01122 in.
Allowable limit
0.4 mm
0.016 in.
Knuckle shaft O.D.
Factory spec.
27.880 to 27.900 mm
1.09764 to 1.09842 in.
Bushing I.D.
Factory spec.
27.900 to 28.165 mm
1.09842 to 1.10886 in.
KiSC issued 07, 2007 A
Tractor Manuals Scotland - Please Do Not Copy
Tractor Manuals Scotland
