Headlamp: Testing and Inspection
Headlamps, Checking and Adjusting Conditions
• Tire pressure OK
• The headlamp lens must be clean and dry.
• The headlamp lens may not be damaged.
• Headlamp reflectors and bulbs OK.
• Vehicle load must be created.
Vehicle load on driver's seat in otherwise unloaded vehicle (curb weight).
• One person or 75 kg.
The curb weight is the weight of the operational vehicle with completely full fuel tank, including the weight of all equipment carried in operation.
• Fuel tank is at least 90% full.
• Equipment, e.g. spare wheel, tools, vehicle jack, fire extinguisher, etc.
If the fuel tank is not at least 90% full, the load must be created as follows.
- Check fuel tank fill lever in instrument cluster tank gauge and compare with the following table. Place additional weight in the luggage compartment, if necessary.
For example, If the fuel tank is half full, an additional 30 kg must be placed in the luggage compartment.
• Use fuel containers filled with water as additional weight (a 5 liter fuel container filled with water weighs 5 kg).
• Roll the vehicle several yards or move it back and forth several times to seat the springs.
• Vehicle and headlamp adjusting unit must be on a level surface.
• Parking brake must not be engaged so vehicle is not under stress.
• Headlamp adjusting unit must be aligned to vehicle. Refer to the headlamp adjusting unit operating instructions.
• The headlamp adjuster must be distance - a - 30 to 70 cm in front of the headlamp and should not deviate more than dimension - b - = 3 cm from the headlamp center point.
• The inclination dimension is set on the headlamp adjusting unit. Refer to the headlamp adjusting unit operating instructions.
• The angle dimension - arrow - is stamped on the upper edge of the headlamp - 1 - in %.
• The headlamp must be adjusted according to the angle dimension stamped on the headlamp.
• The percentage indicator is based on a 10 meter projection distance. At an angle dimension of 1.0%, for example, converts to 10 cm.