Care and Maintenance 7
99/112TL160
Operating Manual 12.9.08 Version 1.0
7.8.14.3 Wheel hub
Checking the axle oil level
• Remove the inspection plug (77/1).
• Check if the oil is up to the edge of the inspection
hole.
• Top up oil if required.
• Carefully close the inspection plug.
Changing axle oil
• Turn the wheel until the screw plug (77/1) on the
hub is at the bottom (drain position).
• 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
(77/1).
• Fill in oil up to the lower edge of the inspection
hole.
• Carefully close the screw plug.
7.8.15 Wheels
7.8.15.1 Checking the tire pressure
• Check the air pressure in accordance with the
pressure chart given in Î 3.8, 29.
7.8.15.2 Checking the tightness of wheel nuts
• During the first 50 operating hours, check the
tightness of the wheel nuts (M 22 x 1.5) daily and
subsequently every week, and tighten to the
correct torque if necessary.
• When fitting a wheel, tighten the nuts to the correct
torque crosswise in several stages.
Fig. 77 Checking and replacing the axle oil
Attention
The wheel hub has a combined inspection,
filling and drain plug!
Attention
Note that the tightening torque of 610 Nm
applies to the wheel nuts M 22 x 1.5.
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