Disassembling Front Axle Support Assembly; Servicing - Kubota G21LD / G21HD Workshop Manual

G21LD · G21HD, WSM

(3) Disassembling Front Axle Support Assembly

[3] SERVICING

Knuckle Arm and Kingpin
1. Remove the knuckle arm mounting bolt (3), spring washer and
nut (5).
2. Remove the knuckle arm (4) and the kingpin (L.H.) (6).
3. Remove the external snap ring (1) and kingpin (R.H.) (2).
(When reassembling)
• Apply grease to the kingpins.
Tightening torque Knuckle arm mounting bolt
(1) External Snap Ring
(2) Kingpin (R.H.)
(3) Knuckle Arm Mounting Bolt
Front Axle Support Assembly
1. Remove the internal snap ring (2).
2. Tap out the PTO shaft (1) forward.
(When reassembling)
• Replace the oil seal with a new one.
• Apply grease to the oil seal lip, and take care that it is not rolled
when installing the PTO shaft.
(1) PTO Shaft
(2) Internal Snap Ring
(3) Ball Bearing
(4) External Snap Ring
Clearance between Front Axle and Front Axle Support
1. Measure the front axle I.D. with a cylinder gauge.
2. Measure the front axle support O.D. with an outside micrometer,
and calculate the clearance.
3. If the clearance exceeds the allowable limit, replace them.
Factory spec.
Clearance between front
axle and front axle
support
Allowable limit
Front axle I.D. Factory spec.
Front axle support O.D. Factory spec.
4-S7
FRONT AXLE
48.0 to 55.9 N·m
4.9 to 5.7 kgf·m
35.4 to 41.2 ft-lbs
(4) Knuckle Arm
(5) Knuckle Arm Mounting Nut
(6) Kingpin (L.H.)
W1012736
(5) Needle Bearing
(6) Oil Seal
(7) Front Axle Support
W1013054
0.025 to 0.089 mm
0.00098 to 0.00350 in.
0.30 mm
0.0118 in.
40.000 to 40.039 mm
1.57480 to 1.57634 in.
39.950 to 39.975 mm
1.57283 to 1.57382 in.
W1013254
KiSC issued 08, 2007 A