FRONT AXLE
B2050, B2350, B2650, B3150, WSM
6-S5
[2] DISASSEMBLING AND ASSEMBLING
(1) Separating Front Axle Assembly
Draining Front Axle Case Oil
1. Place the oil pans underneath the front axle case.
2. Remove the both right and left hand side drain plugs (2) and
filling plug (1) to drain the front axle case oil.
3. After draining, reinstall the drain plugs (2).
4. Fill with new oil up to the upper notch on the dipstick.
• After ten minutes, check the oil level again, add oil to
prescribed level.
• Use KUBOTA SUPER UDT fluid or SAE 80, 90 gear oil. Refer
to G-8.
9Y1210982FAS0007US0
Front Wheels and Steering Cylinder Hoses
1. Disconnect the delivery hoses (1), (3).
2. Lift up the tractor front side.
3. Slide the front cover (4).
4. Remove the front wheels.
• After disconnecting the delivery hoses, do not steer the
front axle so that the steering oil may come out from the
delivery hoses.
• Connect the delivery hoses to the original position.
(When reassembling)
• Be sure to assemble the delivery hose R.H. and L.H. as shown
in figure.
(Bleeding air in power steering circuit)
• Start the engine.
• Turn the steering wheel slowly in bolt directions all the way
alternately several times, and stop the engine.
9Y1210982FAS0008US0
Front axle case oil
capacity
B2050, B2350, B2650
3.5 L
3.7 U.S.qts
3.1 Imp.qts
B3150
4.7 L
5.0 U.S.qts
4.1 Imp.qts
(1) Filling Plug with Dipstick
(2) Drain Plug
A: Oil level is acceptable within this
range
Tightening torque
Front wheel mounting bolt
and nut
77.0 to 90.0 N·m
7.9 to 9.2 kgf·m
57.0 to 67.0 lbf·ft
Delivery hose retaining nut
24 to 28 N·m
2.5 to 2.9 kgf·m
17.7 to 20.7 lbf·ft
(1) Delivery Hose (R.H.)
(2) Steering Cylinder
(3) Delivery Hose (L.H.)
(4) Front Cover
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