GENERAL
L3540-II, L4240-II, L5040-II, L5240-II, L5740-II , WSM
G-23
Replacing Transmission Oil Filter (HST Model)
• Be sure to stop the engine before changing the oil filter
cartridge.
• Allow engine to cool down sufficiently, oil can be hot and
can burn.
1. Remove the drain plugs at the bottom of the transmission case
and drain the oil completely into the oil pan.
2. After draining reinstall the drain plugs.
3. Remove the oil filter.
4. Put a film of clean transmission oil on the rubber seal of the new
filter.
5. Quickly tighten the filter until it contacts the mounting surface,
then, with a filter wrench, tighten it an additional 1 turn only.
6. After the new filters have been replaced, fill the transmission oil
up to the upper notch on the dipstick.
7. After running the engine for a few minutes, stop the engine and
check the oil level again, add oil to the prescribed level.
8. Make sure that the transmission fluid does not leak past the seal
on the filter.
• To prevent serious damage to the hydraulic system, use
only a KUBOTA genuine filter.
• Do not operate the tractor immediately after changing the
transmission fluid. Run the engine at medium speed for a
few minutes to prevent damage to the transmission.
9Y1211167GEG0025US0
[3] CHECK POINTS OF EVERY 50 HOURS
Checking Wheel Mounting Screws and Nuts Tightening Torque
• Never operate tractor with a loose rim, wheel, or axle.
• Any time bolts and nuts are loosened, retighten to
specified torque.
• Check all bolts and nuts frequently and keep them tight.
1. Check wheel screws and nuts regularly especially when new. If
there are loosened, tighten as follows.
9Y1211167GEG0026US0
(1) Drain Plug
(2) Transmission Oil FIlter (HST Model)
(3) Gauge
(4) Oil Inlet
A : Oil level is acceptable within this
range.
Tightening torque
Front wheel
mounting
nuts
L3540-II
L4240-II
137 N·m
14 kgf·m
100 lbf·ft
L5040-II
L5240-II
L5740-II
185 N·m
19 kgf·m
136 lbf·ft
Rear wheel mounting
screws and nuts
215 N·m
22 kgf·m
166 lbf·ft
(1) Front Wheel Mounting Nut (2) Rear Wheel Mounting Screw and
Nut
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