22  BALANCING PROCEDURES
Slowly roll the wheel towards you while tightening the 
wing nut. This improves accurate wheel centering, since 
the wheel is allowed to roll up the taper of the collet as 
opposed to forcing it to slide up the collet. 
Figure 64. 
Installing the Wheel Using Quick-Thread® 
Wheel Clamping
Keep clear of clamping components during 
Quick-Thread® shaft rotation.
With the safety hood open, place the collet on the spindle 
shaft against the captivated spring. 
SPINDLE
SHAFT
COLLET
CAPTIVATED
SPRING
Figure 65. 
Position the wheel with the inside surface facing the 
balancer, centered on the collet. 
TIRE / WHEEL ASSEMBLY
Figure 61. 
Install the plastic clamping cup and wing nut on the 
spindle shaft against the wheel and secure the entire 
assembly by firmly tightening the wing nut. 
PLASTIC
CLAMPING
CUP
WING
NUT
Figure 62. 
Depress and hold down the Spindle-Lok® foot pedal 
while tightening the wing nut. Holding the shaft locked 
while tightening the wing nut improves centering 
accuracy. 
Figure 63.