B4a instruction manual – American Aimers B4A User Manual
Page 14

B4A manual page 14
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8/13/99
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B4A Instruction Manual
Page 14
TO SET VERTICAL AIM
1. The vertical dial should be set at zero (Fig. 26).
2. Turn vertical adjusting screw (Fig. 27) at top of headlamp (the location of adjusting screws may vary according
to manufacturer) until the level bubble is centered between the lines (Fig. 28).
To remove "backlash", make final adjustment by turning screw in a clockwise direction.
3. Repeat the last two steps with opposite aimer and headlamp.
4. Recheck target alignment on both aimers and readjust horizontal aim if necessary.
If adjusting aerodynamic headlamps, the adjusting screws are located under the hood. Refer to page 20,
21 and 22 to determine location of the adjustment screws.
5. Remove aimer by holding aimer securely and pressing "Vacuum Release" button located on the piston handle
(Fig. 29).
6. For four headlamp systems, repeat the whole aiming process for the second pair of lamps.
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