Ford F-650 Owner's Manual page 210

Headlamp Aiming Target
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A 8 feet (2.4 meters)
B Center height of lamp to ground
C 25 feet (7.6 meters)
D Horizontal reference line
Vertical Aim Adjustment Procedure
1. Park the vehicle directly in front of a
wall or screen on a level surface,
approximately 25 feet (7.6 meters)
away.
2. Measure the height of the headlamp
bulb center from the ground and mark
an 8 foot (2.4 meter) horizontal
reference line on the vertical wall or
screen at this height.
Note: To see a clearer light pattern for
adjusting, you may want to block the light
from one headlamp while adjusting the
other.
3. Turn on the low beam headlamps to
illuminate the wall or screen and open
the hood.
F650750 (TBC), enUSA, First Printing
Maintenance
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4. On the wall or screen you will observe
a flat zone of high intensity light
located at the top of the right hand
portion of the beam pattern. If the top
edge of the high intensity light zone is
not at the horizontal reference line, the
headlamp will need to be adjusted.
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5. Locate the vertical adjuster on each
headlamp. Using a Phillips #2
screwdriver, turn the adjuster either
clockwise or counterclockwise in order
to adjust the vertical aim of the
headlamp.
6. Repeat steps 3 thru 5 to adjust the
other headlamp.
7. Close the hood and turn off the lamps.
Horizontal Aim Adjustment
Horizontal aim is not required for this
vehicle and is not adjustable.
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I n f o r ma t i o n P r o v i d e d b y :