LAUNCH KWB-421 Wheel Balancer User’s Manual
5
A.
Push buttons, manual DISTANCE input
L.
Push buttons, manual WIDTH input
D. Push buttons, manual DIAMETER input
Cycle start push button
Push button for reading unbalance<5g(car)
Push button for reading unbalance<50g(trunk)
Emergency stop push button
Push button for recalculating /self-calibration
Program selection push button
NOTE: Only use fingers to press the push buttons. Never use the pliers for weight fixing/ removing
or any other pointed objects.
4. Operation
Turn on the main power, the balancer begins the interior self-diagnostic program.
If “
－
A
－
8.0” is displayed on the display window, the balancer can proceed normally.
4.1 Wheel Mounting
Before wheel balancing, remove the old balance leads and mud, carpolite or metal stuck in somewhere, such
as the gaps in wheel. Make sure that the air pressure of the tyre accord with the standard value and there is
no deformation on the rim locating surface and mounting hole. While balancer running, please do not impact
it to ensure the best testing result.
location mode for small wheel
