FORD 2015 F-550 v.1 - Manual (Page 250)

A
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2. Release the wiper blade lock (A) and
separate the wiper blade from the
wiper arm.
3. Install in the reverse order.
Note: Make sure that the wiper blade locks
into place. Lower the wiper arm and blade
back on the windshield. The wiper arms will
automatically return to their normal position
when you turn the ignition on.
• Replace wiper blades at least once per
year for optimum performance.
• You can improve poor wiper quality by
cleaning the wiper blades and the
windshield.
ADJUSTING THE HEADLAMPS
Vertical Aim Adjustment
The headlamps on your vehicle are
properly aimed at the assembly plant. If
your vehicle has been in an accident, the
alignment of your headlamps should be
checked by your authorized dealer.
Headlamp Aiming Target
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8 feet (2.4 meters) A
Center height of lamp to ground B
25 feet (7.6 meters) C
Horizontal reference line D
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.
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Super Duty (), enUSA
Maintenance