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6.3.2 MOUNT WHEEL
Preparation before test：Check and clean the dust and
mud and if there are foreign bodies, such as metal and
stone, clipped on the surface of the tire. And also check
the air pressure of the tire is according with the
specified value. Check if there are deformation on the
rim positioning surface and installation hole.
Check if there are any foreign bodies in the tire. Take
off the original weight.
The installation methods of the wheel ： Positive
positioning, negative positioning & flange disk when
handling the middle and big sizes of tires. You can
select the methods according to the different
conditions.
6.3.2.1 SMALL CAR WHEEL POSITIVE POSITION
Positive positioning is the normal method. It is featured
with simple and quick operation. It is mainly suitable to
the common steel rim and aluminum alloy rim with
small deformation.
Main shaft wheel（direction of the rim installation
surface is inside） cone quick nut
6.3.2.2
When the deformation of the outside of the wheel,
adopt this method to positioning to grantee the
accurate positioning of the steel rim inner hole and
main shaft. It is suitable to the steel rim, especially the
thick ALU
Main shaft lower spring suitable cone
wheel bowl quick nut
6.3.2.3 FLANGE DISK POSITIONING（OPTIONAL）
Suitable to the big tire assemble
Main shaft flange disk（fixed on the main shaft）
wheel cone quick nut
NOTE: The choice on the cone should be adapted
to the rim center hole and pay attention to its direction.
Or it will cause the inaccurate measurement.
6.4 INPUT VALUE
6.4.1 Input DIS
（Distance）
Pull the scale to the inner position to add the weight
and press the key
to input the DI
value into the display. At this moment, the display will
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