Truck Wheel Balancer OPERATION GUIDE - NY Tech Supply

Coats Model 6200HSBack Cone Mounting without PressureDrumEnsure the handle does not contact the cone, or thewheel will not be centered and mounted securely. Attachthe spacer ring to the hub nut if this situation occurs.On some extended-center wheels withsmall hub diameters, the pressure drumcannot contact the front face of the wheelproperly. Such wheels can be mountedusing the standard back cone methodwithout a pressure drum. Check that thehandle contacts the wheel center evenlyand that the wheel is centered on the cone.Double Cone MountingThe cones must not touch each other. If the conestouch, the wheel will not be centered and mountedsecurely.Double cone mounting can be used forsome specialty wheels, such as those ona Porsche 928. The back cone centers onthe formed part of the wheel, and the frontcone centers on the hole.20