Maintenance and Care 7
TW9 93
7.9.13.3 Wheel hub
Checking the axle oil level
• Remove the inspection plug (57/1) check and
top up oil if required.
Changing axle oil
The wheel hub has a combined
inspection, filling and drain plug!
• Turn the wheel until the screw plug (57/1) on
the hub is at the bottom.
• Open the screw plug and catch the escaping
oil.
• Flush out if necessary.
• Turn the wheel to the filling and inspection
position; the inspection mark must be
horizontal.
• Fill in oil up to the lower edge of the hole.
• Carefully close the screw plug.
7.9.14 Wheels
Checking the tire pressure
• Check the air pressure in accordance with the
pressure chart given in chapter 3.8.
Checking the tightness of wheel nuts
• During the first 50 operating hours, check the
tightness of the wheel nuts (M 20x1,5) daily
and subsequently every week, and tighten to
the correct torque if necessary.
Fastening torque: 460 Nm
• When fitting a wheel, tighten the nuts to the
correct torque crosswise in several stages.
7.9.15 Injection valves
Injection valves must be checked by your service
specialist.
7.9.16 Control cog belt for drive motor
The toothed belt must be replaced by your service
specialist.
Ölstand
Level
1
L834-057
Ablaßstellung/Drain
Fig. 57 Wheel hub
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