Maintenance work on the carrier
7.9 Wheels
16.08.2018
Maintenance manual 3 302 577 en 7 - 69
GMK7450
Recognising two-
piece aluminium
rims
The round-head bolts (1) are on the outer face
of the wheel
rim.
The round heads must be free of cracks, and
the bolts must be
seated securely in the bores.
Around the edge of the aluminium rim there
are impressed marks and safety instructio
ns
which must be complied with by the specialist
workshop.
The nuts (1) are on th
e inner face of the wheel
rim.
The round heads must be free of cracks and
securely seated on the bolts. The
torque must
be checked within the specialist workshop.
s
Aluminium rims with 20 nuts:
550 Nm
(406 lbf ft)
Aluminium rims with 22 nuts:
385 Nm
(284 lbf ft)
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