FORD 2005 F-550 v.1 - Manual (Page 44)

5. Locate the vertical adjuster (2)
for each headlamp. Adjust the aim
by turning the adjuster control
either clockwise (to adjust up) or
counterclockwise (to adjust down).
6. In addition to the horizontal line
marked in step 2, a pair of vertical
lines (5) must be marked at the
center line of the headlamps on the
wall or screen.
7. On the wall or screen, locate the high intensity area of the beam
pattern. The left edge of the high intensity area should be even with the
vertical line corresponding to the headlamp under adjustment. If the left
edge of the high intensity area is not even with the vertical line, follow
the next step to adjust it.
8. Locate the horizontal adjuster (1) for each headlamp. Turn it
clockwise or counterclockwise, to place the left edge of the high
intensity area even with the vertical line corresponding to the headlamp
under adjustment.
Vertical aim adjustment (aerodynamic headlamps)
The headlamps on your vehicle can only be vertically adjusted. Your
vehicle does not require horizontal aim adjustments.
To adjust the headlamps:
1. Park the vehicle directly in front of a wall or screen on a level surface,
approximately 25 feet (7.6 meters) away.
• (1) Eight feet
• (2) Center height of lamp to ground
• (3) Twenty-five feet
• (4) Horizontal reference line
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2005 F250/350/450/550 (f23), Owners Guide (post-2002-fmt) (own2002),
Market: USA_English (fus)
Lights
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