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© 200423 2-9 Inspection and adjustment STEERED TRAILING SWIVEL AXLE ΧΦ65/75/85 series 7 7 2.5 INSPECTION AND ADJUSTMENT, ALIGNMENT Alignment inspection - Use high-quality wheel alignment equipment for the inspection. The equipment must be calibrated regularly and preferably be of the type that can be calibrated before every use. - The vehicle load must be in accordance with the vehicle's normal load conditions. The load should be at least 40% of the vehicle's admissible load. - For a vehicle combination (truck with trailer, or tractor with semi-trailer), the alignment of the total vehicle combination must be checked. A misaligned trailer or semi-trailer can cause the combination to become directionally unstable. - Before measuring, the following points should be checked: - tyre pressure - spring opening of the spring - play of the axle suspension. Note: If a deviation is found, it should be corrected before the measurement is taken. - The work should be carried out very precisely. The wheel alignment (the angle of the wheel in relation to the central axis of the chassis) should be calculated in millimetres per metre. This wheel position is calculated by dividing the difference (in millimetres) in the readings on the measuring boards (a - b in the drawing below) by the distance (in metres) between the measuring boards (L in the drawing). S7 00 726 L a b |