Chery A21 2005, Service Manual, Page: 119 / 475

CHERY A520 SERVICE MANUAL CHASSIS
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4. Precautions on tire and rim
(1) Disqualified tire and rim should not be
used.
(2) Aluminum alloy rim is easily scored,
therefore, soft cloth shall be used to
clean up the rim, and steel brush shall be
prohibited. If vapor is adopted to clean
up the car, the boiling water shall be
separated from the rim.
5. Tire replacement
(1) Before assembling tire valve, you
should firstly check whether the valve
port of the wheel is smooth or burry.
And then paste glycerin to the rubber
surface of tire valve or put the tire valve
into the glycerin for a while. Finally,
you shall use special tools to generate
200N-400N air pressure so as to make
the alignment ring pass the aperture of
the wheel. In this way, the tire valve is
installed (soapy water can be allowed to
replace glycerin.).
(2) Before assembling tire, you should
apply glycerin or soapy water to the rim
edge. At the same time, you should pay
attention to that: when there is dub
marks on rim, you should put the
homogeneity test mark in alignment
with the dub mark. When there is no dub
mark on rim, you should put the
dynamic balance test mark in alignment
with the position of tire valve. When
there is no dub mark and dynamic
balance test mark, but there is static
balance test mark, you should put the
tire valve in alignment with the static
balance test mark.
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