Mercedes-Benz M-class W163 - Repair manual and operation

12.4.4. Check and adjustment of disorder and vybeg

The corresponding illustrative material is presented on illustrations.

Check and adjustment of disorder of forward wheels

ST + — Positive disorder	ST - — Negative disorder

Check and adjustment of a vybeg of forward wheels

NL — Vybeg

Check

PERFORMANCE ORDER

Make necessary preliminary checks (see the Section the Angles of installation of wheels of the car - the general information). Check correctness of adjustment of road gleams of axes (see the Section Check and adjustment of height of road gleams), in case of need make the corresponding adjustments. Perform measurement of corners of disorder and vybeg. Выбег it is measured at the wheels which are turned out at an angle 20 °. Compare results of measurement to requirements of Specifications, in case of need make the corresponding adjustments.

Adjustment

PERFORMANCE ORDER

Adjustment of disorder of forward wheels is made by means of bolt connections of fastening of back corners of the top cross levers to side beams of a frame. Bolt connections of fastening of forward corners of the top levers to a frame allow to carry out adjustment of a vybeg. In conclusion make also adjustment of convergence of wheels (see the Section Check and convergence adjustment).

Back wheels

The corresponding illustrative material is presented on сопр. illustrations to which all references which are found in the text belong.

Check and adjustment of disorder of back wheels

+ST — Positive disorder	- ST — Negative disorder

Check and adjustment of a vybeg of back wheels

NL — Vybeg

Check and adjustment of a vybeg of back wheels

91 — the Top longitudinal extension	91c — the Fixing plate

Check

PERFORMANCE ORDER

Make necessary preliminary checks (see the Section the Angles of installation of wheels of the car - the general information). Check correctness of adjustment of road gleams of axes (see the Section Check and adjustment of height of road gleams), in case of need make the corresponding adjustments. Perform measurement of corners of disorder and vybeg. Выбег it is measured by means of an electronic inclinometer. Compare results of measurement to requirements of Specifications, in case of need make the corresponding adjustments (see below).

Adjustment

PERFORMANCE ORDER

Adjustment of disorder of forward wheels is made by means of bolt connections of fastening of forward corners of the top cross levers to side beams of a frame. On the models equipped with xenon headlights it is necessary to disconnect a fixing plate (91s) from a frame and to take aside together with the landing level sensor. Bolt connections of fastening of back corners of the top levers to a frame allow to carry out adjustment of a vybeg of wheels. In conclusion make also convergence adjustment (see the Section Check and convergence adjustment).