Checking and adjusting vehicle level

AR32.22-T-7000A

Checking and adjusting vehicle level

15.1.10



Checking

 Danger!

Danger to life from lowering vehicle when working between wheels and body. Risk of injury by trapping or crushing when working on air suspension system.

Do not work between wheel and wheel well or in wheel box.

Only carry out check and adjustment operations from underneath the vehicle.

Secure areas with moving vehicle parts against unauthorized access.

AS32.22-Z-0001-01A

1

Move vehicle to driving level

 See Operator's Manual
The suspension height is checked and adjusted with the vehicle empty. The wheels must be in the straight-ahead position. Ensure an adequate compressed air supply for the entire duration of the adjustment procedure. Setting the suspension height must always be carried out on both axles, starting with the front axle.

2

Measure the suspension height of the front axle

 The adjustment dimension for the suspension height (A) is measured between the bottom edge of the mounting plate for the air suspension bellows (1) and the bottom edge of the rotary piston (2).

*BE32.22-N-1001-01C

 If necessary, pay attention to 20 mm vehicle level increase.

*BE32.22-N-1004-01C

Scale,

Firma Scala Messzeuge GmbH D-72639 Neuffen

3

Adjust the front axle suspension height

AR32.22-T-7000-01A

4

Measure the suspension height of the center axle

On model 671.3

 The adjustment dimension for the suspension height (B) is measured between the bottom edge of the mounting plate for the air suspension bellows (3) and the bottom edge of the rotary piston (4).

*BE32.22-N-1003-01C

 If necessary, pay attention to 20 mm vehicle level increase.

*BE32.22-N-1006-01C

Scale,

Firma Scala Messzeuge GmbH D-72639 Neuffen

5

Adjust the suspension height of the center axle

On model 671.3

AR32.22-T-7000-01A

6

Measure the suspension height of the rear axle

 The adjustment dimension for the suspension height (B) is measured between the bottom edge of the mounting plate for the air suspension bellows (3) and the bottom edge of the rotary piston (4).
If necessary, pay attention to 20 mm vehicle level increase.

*BE32.22-N-1002-01C

 If necessary, pay attention to 20 mm vehicle level increase.

*BE32.22-N-1005-01C

Scale,

Firma Scala Messzeuge GmbH D-72639 Neuffen

7

Adjust the rear axle suspension height

AR32.22-T-7000-01A

8

Recheck the suspension heights of the front, center and rear axles

 Repeat the adjustment if necessary.

Number

Designation

Model
671.000/
005/010/
312/322/
327

Model
671.015/020/
021/030/042/
332/333

BE32.22-N-1001-01C

Adjustment dimension of front axle suspension height

Total height of
air bellows

mm

204...224

212.5...222.5

BE32.22-N-1002-01C

Adjustment dimension of rear axle suspension height

Total height of
air bellows

mm

200...220

285...295

BE32.22-N-1003-01C

Adjustment dimension for center axle suspension height

Total height of
air bellows

mm

200...220

227.5...237.5

BE32.22-N-1004-01C

Adjustment dimension for front axle suspension height with 20 mm vehicle level increase

Total height of
air bellows

mm

224...244

232.5...242.5

BE32.22-N-1005-01C

Adjustment dimension for rear axle suspension height with 20 mm vehicle level increase

Total height of
air bellows

mm

220...240

305...315

BE32.22-N-1006-01C

Adjustment dimension for center axle suspension height with 20 mm vehicle level increase

Total height of
air bellows

mm

220...240

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