Segway SNARLER AT6 S Owner's Manual page 153

MAINTENANCE, STORAGE AND TRANSPORTATION
1. Place the vehicle on a horizontal ground with a headlight
position of about 10 feet.
2. Measure the distance from the floor to the center of the
headlights and mark the walls at the same height.
3. Start the engine. Convert headlight switch to high beam.
4. Watch the headlights aim at the wall. The strongest part of the
headlight beam should be 2 inches, 5cm below the mark on
the corner. Measurement on the seat includes weight of the
driver.
Adjust the headlight beam upwards and downwards
To raise the headlight beam, turn the headlight adjusting screw
counterclockwise.
To lower the headlight beam, turn the headlight speed adjustment
screw clockwise.
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