Wheels
and Tyres
De
sc
ription
The wheels
are
of the pressed steel disc type
and are fitted
with
polished aluminium centre
caps which spring over buttons on the
wheel.
Cross ply
tubeless tyres
are
fitted to all Robin
models.
Tyre pressures
Section M
1
Tyre pressures should
be
checked before a run
when the tyres are
cold. During use the pressure
will
increase and the additional pressure should
not
be rele
ased
since in determining the tyre
pressure this increase has been taken into
account. Under inflation can also result in
damage to the
walls and the tread itself due to
excessive flexing.
1108
Cl
ose
attention to tyre inflation and the
mechanical condition
of
the vehicle
will
not
always prevent uneven tyre wear.
It
is, therefore,
recommended that the front tyre
is interchanged
with
the rear
ty
r
es,
bringing the spare wheel
into
use.
N
ote
:
If
the vehicle is fitted w
it
h cast alloy
wheels on the rear they cannot be interchanged
with
the front pressed steel wheel.
On
no
account
must
radia
l
tyres
be
fitted
.
Jack
ing positions
Before changing a wheel, or carrying out any
servicing operation, ensure the vehicle is on
level
ground,
with
the handbrake applied and
the wheels suitably blocked.
The recommended jacking points under the
chassis main longitudinal frame members
are
indicated in
Figure
1 and
Figure
2.
N
ote
: Do not
work
under the vehicle with the
jack
as
the sole support, always
fit
chassis
stands.
Wheel removal and inspection
Remove centre caps, slacken wheel nuts, jack
VP
the vehicle unt
il
the wheel is clear of the
ground, unscrew the nuts and remove wheel.
Clean
the wheel tim with a
wi
re
brush to remove
all trace
of
corrosion. Examine the rim and
welds securing the rim
to
the wheel centre.
Figure
1 Front jacking position
Fig
ur
e 2
Re
ar
jacking position
Damage to the rim may be repaired provided
it
is confined to the flange
tip
area.
Inspect the
wheel centre for cracks or fractu
res
.
The wheel nuts must be refitted
with
their
tapered face towards the wheel and
tightened
to
a torque
of
6·
91-7·60kg
m (50-551b ft).
Valves
Th
e valves
us
ed on the tubel
ess
tyres are
secured and sealed
to th
e wheel by a stepped
Maintain the
tyr
es,
including the
spa
r
e,
at the recommended pressures,
as
follow
s:
Sal
oo
n and Van
Fr
ont Rear
Normal
2·12kg/sq
em
(30 psi) 1·69kg/sq
em
(24 psi)
Full load 2·12kg
/sq
em
(30
psi) 2·
12
kg/sq
em (30 psi)
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