A32.22-0005-01
H Measuring range (front axle)
H Measuring range (rear axle)
A32.22-0011-01
Checking | |||
Danger! | Danger to life from lowering vehicle when working between wheels and body. Risk of injury from being trapped or crushed when working on the air suspension | 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. | |
1 | Park vehicle on a level surface | ||
Danger! | Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running | Secure vehicle to prevent it from moving by itself. | |
2 | Start engine and fill compressed-air system up to the cutoff pressure | The operating pressure may not drop below 8 bar during the test and adjustment operations. | |
3 | Turn off engine | ||
4 | Check tire inflation pressure, correct if necessary | ||
| |||
5 | Check components of the compressed air supply and air spring bellows for leaks | If necessary, retighten line screwed connections or replace defective components. | |
6 | Check linkage of position sensors for level control at front and rear axle for damage and easy movement | In the event of a bent linkage or sluggish ball joint ends, replace linkage. | |
| Position sensor for level control, component description | ||
7 | Switch on ignition | ||
8 | In sequence check the normal level, lower level and upper level and the adjustment dimensions in the measuring range (H) between the axle and longitudinal frame member, adjust if necessary | ||
| Gauges for checking and adjusting vehicle level at the front axle | ||
| Gauges for checking and adjusting vehicle level at the rear axle | ||
Adjust | |||
9 | Connect diagnostic equipment to the level control diagnostic socket | On vehicles without body the red level control diagnostic socket is in the area of the electrical center. On vehicles with body the location depends on the respective body manufacturer. | |
WABCO Diagnostic Controller Order. No. 446 300 320 0 | |||
10 | Adjust vehicle level at front axle or rear axle in stages using diagnostic equipment | Pay attention to manufacturer's operating instructions. | |
| Gauges for checking and adjusting vehicle level at the front axle | ||
| Gauges for checking and adjusting vehicle level at the rear axle | ||
11 | Disconnect diagnostic equipment | ||
12 | Conduct a road test | ||
13 | Check vehicle level again after the test drive | If the vehicle level has changed: | |
Check components of level control and replace defective components if necessary. |
Test data for air suspension
Number | Designation | Model | ||
BE32.22-N-1001-01B | Permissible deviation of adjustment dimensions at the front axle | mm | 5 | |
BE32.22-N-1002-01B | Adjustment dimensions for front axle | Lower level | mm | 103 |
Normal level | mm | 158 | ||
Upper level | mm | 198 | ||
BE32.22-N-1003-01B | Adjustment dimensions for rear axle | Lower level | mm | 35 |
Normal level | mm | 90 | ||
Upper level | mm | 130 | ||
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