Radial
tire
,_
Fig.
12
- 2
Fig.
12
- 3
Fig.
12-4
12
12- 8 .
TIRE ROTATION
To
equalize wear and make a set of tires last longer,
it
is
recommended
that
the tires be rotated periodically,
as
shown
in
Fig.
12-2.
When rotating the tires, check for signs
of
abnormal
wear and bulging and any stone, nail, glass, etc. should
be remove
d.
Tightening torque
of
wheel bolts
9.0 - 11.0
m·
kg
(65
-
80
ft·1 b)
12-C
. WHEEL
AND
TIRE
RUN·
OUT
Wheel and tire should be measured for
both
radial
and
lateral run-0u
t.
Limit
Radial
run-out
Less
than
2.0
mm (0.08
in)
La
teral
run-out
Less
than
2.5
mm (0.10
in)
12-0
.
WHEE
L
BALANCING
The a
ll
owable unbalance
is
360 cm-gr (5.0 in-oz),
which
is
less than
20
gr
(0.7 oz) at the rim.
If
unbalance exceeds
360
cm-gr (5.0 in-oz) or when
a tire
is
disassembled for repair, the tire and wheel
assembly should
be
statically and dynamically balanced
with a wheel balancer
in
accordance with the manu·
facture
's
instructions.
12 2
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