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2) To close air connection of air bags,
close the valves.
Air bags air isolating valves
Close (A) and Open (B) valve positions
3) Attach the axle to the chassis with a
chain (not included) using the eyebolt/
hook.
4) Lift the semi-trailer using the lifting-
lowering valve until the tire is off the
ground.
5)Change the tire.
6)Lower the semi-trailer using the lifting-
lowering valve and remove the chain.
7) After lowering the vehicle, open the
tap to bring the vehicle to its normal
ground clearance.
Driving the vehicle with a iso-
lating cock closed can se-
riously damage the
suspension assembly.
Using tires with different wear
levels will cause abnormal
wear.
8.14.1. Tightening Torques of Wheel
Nuts
Check the tightening torque of
the bolts after 50 and 200 km.
Tightening the bolts
Tightening the bolts
8.14.2. Nut Tightening Sequence
After replacing a wheel or installing a
new wheel, tighten the respective nuts in
the THREE STAGES and sequence de-
scribed below.
• 1)Tighten the nuts on the wheel so
that the wheel is flat against the
axle.
• 2)Tighten the wheel nuts to half the
required tightening torque.
• 3)Then tighten all the nuts in the or-
der shown from 1 to 10 until the
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