Check and correct the adjustment of the headlamps

AP82.10-D-8260B

Check and correct the adjustment of the headlamps

19.11.2019

Model

636, 639

with code LG1 (Bi-xenon headlamps with cornering function)

Model

906

with code LG0 (Bi-xenon headlamps)

with code LG1 (Bi-xenon headlamps with cornering function)



Check

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 Danger

Risk of explosion/risk of fire caused by highly flammable materials in the vicinity of damaged xenon bulbs. Risk of injury caused by UV light, hot components on xenon headlamps and glass splinters produced by bursting xenon bulbs. Risk of poisoning caused by inhalation of mercury vapors and by swallowing of/skin contact with toxic salts and mercury compounds.

Do not touch parts conducting high voltage. Persons with active electronic implants (e.g. cardiac pacemakers) must never work on xenon headlamps. Switch off the entire lighting system. Wear insulated safety shoes, safety glasses and protective gloves. Remove highly inflammable materials from the danger zone. Ensure sufficient ventilation in the working area.

AS82.10-Z-0001-01A

1

Check and correct tire inflation pressure

2

Park vehicle on a level surface

 Vehicle must be in curb condition (curb weight, fuel tank full or corresponding additional weight).
On model 639 with code CLO (Rear lowerable and raisable air suspension), not in passive position.

3

Align headlamp adjuster to vehicle and set steering column adjustment to center of diffuser lens

 Note the operating instructions of the headlamp aimer.

 Commercially available devices/tools:
Headlamp aimer - mobile

4

Switch on low beam

5

Check headlamp range control for proper operation by inserting additional weights in load compartment

 The height of the light-dark boundary shall not change when loading or unloading the weights.

6

Remove additional weights from load compartment

7

Check low beam setting and correct if necessary

Model 906

AP82.10-P-8260-01A

 Connect Star Diagnosis and move headlamps to zero position.

8

Check high beam adjustment

AP82.10-P-8260-02A

9

Check setting of front fog lamps and correct if necessary

Model 636, 639, model 906 with code L16 (Front fog lamps, halogen)

AP82.10-D-8260-04B

10

Disconnect STAR DIAGNOSIS

11

Switch off low beam