NOTE: Use only the wing nut supplied with the GSP9720JLR.
In some cases, the mounting pad of the wheel may be extremely wide, and the
standard clamp cup will not properly contact the wheel hub area. In these cases, the
optional nine inch alloy wheel pressure cup may be used in place of the clamping cup.
Wheels with center bores over 3 9/16 inch diameter require one of the light truck
cones. The light truck cones must be mounted from the outside of the wheel.
NOTE: When using the light truck cones, the pressure ring is used
in place of the clamping cup.
This procedure utilizes a tapered cone inserted from the front side of the wheel
instead of the backside as previously described.
Select the proper wheel mounting cone by placing it in the center bore of the wheel to
be balanced. Choose the cone that contacts the wheel nearest the center of the
cone.
Mount the wheel with the inner rim facing the balancer. Place the wheel mounting
cone on the spindle with the small end of the cone facing the front of the wheel.
Install the wing nut and pressure ring assembly onto the spindle shaft against the
wheel and secure the entire assembly by firmly tightening the wing nut.
Heavy wheel centering may benefit by (1) pulling the tire away from the hub face at
top dead center while tightening the wing nut or (2) use of optional wheel lift to
position heavy wheel onto shaft and cone. This helps the wheel to overcome gravity
against the hub or spacer.
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Balancing Procedures GSP9720JLR Wheel Balancer Operation Instructions
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