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12.6.2. Check and adjustment of angles of installation of forward wheels

Make sure of performance of all necessary conditions (see the Section Suspension Bracket Geometry).

Disorder and выбег

Check

Check of geometrical parameters of a suspension bracket has to be made at the special stand in the conditions of a workshop of car service.


 PERFORMANCE ORDER

  1. Tire out the car with forward wheels on turntables in a special way of the equipped stand.
  2. Remove stupichny couplings of a free wheeling.
  3. Connect the measuring instrument and perform necessary measurements. Compare results of measurement to requirements of Specifications of the Head Podvesk and steering, in case of need make the corresponding adjustments.
1 — the Measuring instrument
2 — the Turntable
1 — the Turntable

Adjustment

Adjustment of disorder is made by simultaneous turning in one direction (to from the plane of symmetry of the car, or outside) and on an identical corner of eccentric shpindelny bolts of fastening to a frame of the top levers of a suspension bracket. Each division of the scale applied on a flange of a head of a bolt corresponds to change of disorder on 0.4 °, - as a basic tag the vertical risks caused on a surface of basic arms of levers are used.

1 — the Back spindle
2 — the Forward spindle
3 — the Top lever

The size of a vybeg is corrected by simultaneous turning of the same bolts, but in opposite directions (one to the plane of symmetry of the car, the second - outside). At the same time the step of adjustment makes 0.55 ° on one division of a scale.

Convergence

Check

 PERFORMANCE ORDER

  1. Tire out the car on the flat horizontal platform with a hard coating and bring forward wheels into rectilinear situation.
  1. By means of a measuring bar determine the size of convergence of wheels. Compare result of measurement to requirements of Specifications of the Head Podvesk and steering, in case of need make the corresponding adjustment.

Adjustment

 PERFORMANCE ORDER

  1. Release lock-nuts of tips of both steering drafts.
  1. Adjust convergence of forward wheels by turning on an identical corner and in one direction of both tips.
  1. Do not forget to tighten lock-nuts with the required effort (88 ÷ 118 Nanometers).