Wheel Alignment Test Prerequisites

Wheel Alignment Test Prerequisites

• Check suspension, steering and steering linkage for excessive play and damage.

• Tread depth difference may be no more than 2 mm on an axle.

• Tires inflated to prescribed pressure

• Vehicle accurately aligned, suspension bounced and rocked several times

• The measurement sensor must be properly adjusted and attached to the vehicle; observe device manufacturer's operating instructions.

• Vehicle curb weight *

* Curb weight is defined as follows: Weight of the vehicle ready for the road (fuel tank completely filled, spare wheel, vehicle tools and vehicle jack).

• After a certain period, wheel alignment platforms and computer equipment can lose their original leveling setting and adjustments.

• Alignment platforms and alignment units/alignment computers should be calibrated at least once a year during maintenance.

- Treat these highly sensitive units carefully and conscientiously.

• If necessary, contact the manufacturer for familiarization with the proper use of the equipment.

• Make sure that the sliding plates and turn tables are not touching the end stop when checking the wheel alignment.

• Perform wheel run-out compensation: Permissible axial run-out of the wheel rims can exceed the specified toe setting tolerance. If compensation for wheel run-out is not performed, it will not be possible to obtain a correct toe-in adjustment.