Danger | Risk of death caused by vehicle slipping or toppling off of the lifting platform. | Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. | |
Topical note | Notes on air suspension | Model 447, 448 | |
Topical note | Information on tires / rims | ||
Topical note | General information on chassis modifications | ||
| Check | ||
1 | Check condition of vehicle. | For wheel alignment measurement, install all vehicle parts and reassemble vehicle so it is ready to drive. The vehicle must not be loaded. Measuring system provides vehicle specified values using determined level values. Specified tolerances of vehicle specified values are only for the test. If vehicle is adjusted, aim for specified values as much as possible. | |
2 | Check tires for wear pattern, tire tread depth and damage. | ||
| Assess condition and tread depth of tires | ||
3 | Check condition of disk wheels. | ||
4 | Check tire pressure. | ||
Tires - General information | |||
| Correct tire pressure, including spare wheel | ||
If tire pressure wrong. | |||
| |||
Correct tire pressure. | |||
5 | Check vehicle underside. | ||
| Check all visible parts of vehicle underside for damage and fluid loss | ||
Visual inspection for damage, corrosion of chassis parts and supporting body parts, leaks from components and lines. | |||
Do not yet lower vehicle completely. | |||
6 | When vehicle is raised, check wheel bearing play without dial indicator. | ||
7 | Check condition of steering mechanism component parts. | ||
| Checking condition of steering mechanism | ||
8 | Check steering gear, boots of tie rods as well as tie rods. | ||
| Check condition of steering and tie rods | ||
9 | Drive vehicle onto measuring station and secure against rolling away. | ||
10 | Unlock turn and slip plates. | ||
11 | Rock vehicle to settle suspension on front and rear axle several times. |
Referenced documents
- ah3222n100001e Notes on air suspension
- ah4010n102001a Tires - General information
- ah4010p105002a General information on chassis modifications
- ah4010p941101a Information on tires / rims
- ap0020s0054e Check all visible parts of vehicle underside for damage and fluid loss
- ap4010s4052p Assess condition and tread depth of tires
- ap4015s4060e Correct tire pressure, including spare wheel
- ap4600s4650e Checking condition of steering mechanism
- ap4600s4651e Check condition of steering and tie rods
- ar4010p101001a Checking condition of rim
- as0000z001001a Risk of death caused by vehicle slipping or toppling off of the lifting platform.