torque SSANGYONG NEW ACTYON SPORTS 2013 Workshop Manual

14-174170-09
If weight is not equally distributed around the wheel, unbalance centrifugal force by the wheel rotation
produces vibration. As the centrifugal force is produced proportional to the square of the rotating speed,
the wheel weight should be balanced even at high speed. There are two types of the tire and wheel
balancing: static and dynamic. Abnormal vibration may also occur due to unbalanced rigidity or size of
tires.
Static Balance ▶
When the free rotation of the wheel is allowed,
the heavier part is stopped on the bottom if the
wheel weight is unbalanced and this is called
"Static Unbalance". Also, the state at which tire's
stop position is not same is called "Static
Balance" when the wheel is rotated again. If the
part A is heavier as shown in the figure 1, add
the balance weight of a weight corresponding to
unbalanced weight from B to A to maintain the
static balance. If the static balance is not
maintained, tramping, up and down vibration of
the wheels, occurs.
Dynamic Balance ▶
The static unbalance of the wheel creates the
vibration in the vertical direction, but the dynamic
unbalance creates the vibration in the lateral
direction. As shown in the figure 2 (a), if two
parts, (2) and (3), are heavier when the wheels
are under the static balance condition, dynamic
unbalance is created, resulting in shimmy, left
and right vibration of the wheels, and the torque
Fxa is applied in the axial direction. To correct
the dynamic unbalance, add the balance weight
of a same weight for two points of the
circumference of the rim, A and B, as shown in
the figure 2 (b), and apply the torque in the
opposite direction to the torque Fxa to offset in
order to ensure smooth rotation of the wheel.
Center
A
B
(a) (b)
[Figure 1]
[Figure 2]
3. WHEEL BALANCE

04-37340-00
1. SPECIFICATIONS
2. CAUTIONS WHEN WORKING
Wear clean work clothes and gloves.
Replace and wash the gloves frequently.
Any unauthorized modification or operational test is not allowed since the sunroof motor and control
unit are preset at the factory.
Take care not to drop the sunroof assembly when removing it and do not keep it right up. 1.
2.
3.
4.
Operating voltage 9 ~ 16 V
Operating current (open & close) Max. 6 A
At no load Max. 2 A
Leakage current Max. 1 mA or less
Roof motor operating speed (at opening and closing)1.2 ± 0.5 sec./100 mm
Motor overload stop conditionsCurrent for up to 26 A and torque (load)
for up to 8.3 Nm
Opening amount230 ± 3
Vertical/horizontal tolerance for sunroof glass panel± 2 mm/± 2.5 mm
3. CAUTIONS FOR OPERATION
Even though the sunroof can be operated when the engine is not running, operating the sunroof
repeatedly with the engine turned off will run down the battery. Operate the sunroof while the engine is
running.
When the sunroof operation is completed, release the switch. Keeping pressing the switch can result
in malfunction.
Especially in winter, never operate the sunroof if operation areas are iced. Wait until melted.
Make sure that the sunroof is completely closed when leaving the vehicle. Leaving the vehicle with the
sunroof open result in a theft. In addition, rain or snow can get into the vehicle through the open
sunroof.
When the sunroof is fully open, wind buffeting symptom can be worse. In this case, try to adjust the
sunroof position manually or open the sunroof until the wind buffeting is disappeared
Parts of the body can be trapped in the sunroof and can be struck by passing objects. Do not stick
hands, head or anything else out of the openings.
Remove any dirt and foreign material stuck on the edge of the sunroof glass periodically.
Noise can occur due to friction when operating the sunroof. -
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