Before Starting Suspension Alignment: Prerequisites

Set-point values for front and rear axles can be found in the technical data. 

> WM, 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT 

To exclude erroneous measurements, the following preconditions must be met: 

• Empty vehicle weight according to DIN 70020, i.e. vehicle in ready-to-drive condition with full fuel tank and including tools but without driver or additional weights.
• Joint and wheel-bearing play OK (wheel-bearing play cannot be adjusted). Check joint play if necessary.

  > Chassis maintenance: Checking ball joints/bellows 

• Visually inspect axle parts (control arms, springs, dampers, mountings and rubber mountings, tie rods, axle shafts, axle boots).
• The tread depth on one axle must not differ by more than 2 mm.
• Tyre pressure in accordance with specifications
• Strictly comply with maintenance intervals for measuring equipment and measuring platform.
• Perform vehicle alignment only in the sequence specified in the Service Information.

1. Centre steering column.
   1. 1.1 Vehicles with manually adjustable steering column: Loosen lever, estimate and Centre and lock lever again.
   2. 1.2 Vehicles with electrically adjustable steering column:
      • Extend 3x
      • Retract 1x
      • Extend 1x
      • Raise 1x
      • Lower 1x