Terms of the chassis measurement

Preparing work on the car

To the preparing work before the wheel alignment belong:

• Align the trick and sliding supports as well as the lifting platform width after track width and wheel base of the vehicle.
• Drive the vehicle into the wheel supports; the wheels must be then centrically on the supports.
• Parking brake tighten, in order to prevent a rolling of the vehicle away.
• Safety lock pins at the supports plug off, in order to avoid a strutting of the chassis with loading or Durchwippen.
• Play in steering element and wheel bearing, status of suspension and shock absorber check vehicle for same rim and tire size, sufficient depth of profile and correct tire pressure.
• Measuring instrument owners at the wheels fasten and decide whether a wheel runout compensation must be executed; this depends on the type and status of the rim and on the execution of the measuring instrument owner as well as its attachment method.
  General a wheel runout compensation is to be executed for a precise chassis measurement whenever no label-specific high-speed clamping units are available!
• Vehicle for the following measurement condition; this takes place depending upon specification of the car manufacturer through:
• Load the vehicle with back-up weights on front and rear seats as well as in the trunk (e.g. with BMW) or
• Fairs of the oh levels and selection of the appropriate debit data record (e.g. with MB) or
• span off of the chassis with hauling equipment on an altitude determined for the measurement (e.g. with Peugeot).
• The vehicle with solve brakes through-whip, so that a stable central position of the suspension can adjust. In addition to press down and decay leave the body successively at front and rear axle.
• Service brake block by using the brake tension adjuster.