65
Maintenance and Care
5.11
Wheels
Fig.30
1 Jacking position, rear wheels
Fig.31
1 Jacking position, front wheels
5.11.1 Checking the tire pressure
Check the tire pressure weekly.
Front = 1.5 bar / Rear = 2.0 bar
5.11.2 Checking tire wear
Check the tires weekly for signs of wear
and tread depth.
5.11.3 Changing wheels
Work on the wheels may only
be carried out by technical
experts and correspondingly
trained personnel!
Disassembling
1. Park the vehicle on an even surface
and secure against rolling away.
2. Switch the engine off and remove
the ignition key.
3. Position the jack at jacking position
(Fig. 30/1) or (Fig. 31/1).
4. Raise the corresponding side of the
axle and check, once again, that the
vehicle is securely parked.
5. Remove the wheel bolts a/f 19 and
remove the wheel.
Assembling
1. Mount the wheel on the centering
collar and tighten all the wheel bolts
a little.
2. Lower the raised side of the axle.
3. Tighten the wheel bolts using a
torque wrench in a diagonally
opposite sequence.
The wheel bolts must be
tightened to a torque of 86 Nm.
4. The wheel bolts must be retightened
as described above after approx. 50
operating hours.
1
1
65
Maintenance and Care
5.11
Wheels
Fig.30
1 Jacking position, rear wheels
Fig.31
1 Jacking position, front wheels
5.11.1 Checking the tire pressure
Check the tire pressure weekly.
Front = 1.5 bar / Rear = 2.0 bar
5.11.2 Checking tire wear
Check the tires weekly for signs of wear
and tread depth.
5.11.3 Changing wheels
Work on the wheels may only
be carried out by technical
experts and correspondingly
trained personnel!
Disassembling
1. Park the vehicle on an even surface
and secure against rolling away.
2. Switch the engine off and remove
the ignition key.
3. Position the jack at jacking position
(Fig. 30/1) or (Fig. 31/1).
4. Raise the corresponding side of the
axle and check, once again, that the
vehicle is securely parked.
5. Remove the wheel bolts a/f 19 and
remove the wheel.
Assembling
1. Mount the wheel on the centering
collar and tighten all the wheel bolts
a little.
2. Lower the raised side of the axle.
3. Tighten the wheel bolts using a
torque wrench in a diagonally
opposite sequence.
The wheel bolts must be
tightened to a torque of 86 Nm.
4. The wheel bolts must be retightened
as described above after approx. 50
operating hours.
1
1