Würth 1952 006 630 Traduction Des Instructions De Service D'origine page 28

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If the pointer hits exactly the same point as in the first measurement

on the opposite side, it can surely be assumed that the two king pins

are not deformed at all and that the cause for the abnormal camber

should be sought in the deformation of the shock absorber.

B) Shock absorber check

Place the unit as shown in Fig.14.

Move the measurement unit's pointer to the highest point of the shock

absorber's tube (switch to the fixing of the elastic plate). (Fig.15)

If the result of the two measurements is considerably different (1

mm or more), the shock absorber is deformed on the side where the

camber anomaly was found and, therefore, the shock absorber must

be replaced. Note: always take into account that shock absorbers

should always be replaced in pairs due to age and wear!

For a more accurate comparison, you should perform two

measurements in the same way described above: both on the upper

part and on the lower part of the shock absorber's stem. (Fig.16/17)

2. MEASURING/FIXING OF THE TOE-IN AND/OR

CAMBER ADJUSTMENT BEFORE REPLACING PARTS OF

THE AXLE = LASER FUNCTION

Remove both wheels of the front or rear axle.

Secure the sickle-shaped tool either using the wheels'

original bolts or the nuts and/or the fastening bolts

provided (1952 006 635/636/637/638) on the right

and left axle hubs.

To assemble, use the most suitable conical disc (M12/M14). This will

prevent damage to the sickle bow and ensures the exact alignment

with the hub, (Fig. 18)

Loosen the laser housing's knurled fixing screw until the plate's laser

support 1952 006 647 can be fit into the housing.

Warning: the small inner radius on the end of the support

should bear on the lower knurled screw. (Fig.19)

Align the measuring tool's housing so that the laser will be exactly at

12 o'clock after the assembly. (Fig.20)

Adjust the laser head by turning, pushing or pulling it so that the laser

pointer is clearly visible on the projection plane. Depth stops in 4

preset steps. The workshop wall in front of or behind the vehicle or the

workshop's floor may be suitable as projection planes. The choice of