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8. GRADUATED ScREEN
IMPORTANT
fig.7
The HBS system uses a fixed graduated
screen in accordance with the requirements
of the MoT regulations.
CoRReCT lIGHT PRoJeCTIon on THe lIne 0.5% (BeAM lIGHT)
9. DIPPED BEAM
9.1.
Prepare the HBS and the car as previously instructed, then turn on the dipped beam.
9.2.
Check the headlamp beam tolerances are in accordance with MoT inspection manual, and are within operating tolerances of
manufacturer's guidelines.
9.3.
Adjust the vehicles light regulating system until you obtain the required result.
9.4.
When testing the more commonly used asymmetrical headlight (see fig 7), remember that their projection will light up a section
on the LEFT hand side of the plate with a corner of about 15
zone will appear brighter than the rest of the projection.
fig.8
Correct projection on panel.
10. SyMMETRIcAL LIGHTS
fig.9
When testing symmetrical low light beams the
projection on the plate will describe a perfect
horizontal line.
© Jack Sealey limited
from the horizontal plane. Just under the centre, on the right, a small
0
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Original Language Version
HBS97.V2 Issue 3 (HF) 16/08/18
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