Lighting And Accessory Circuits - Yanmar YM276 Service Manual

LIGHTING AND ACCESSORY CIRCUITS
40-20-1
ADJUSTING HEADLIGHTS
-
Adjust headlights so they shine slightly down and t o the right.
Use illustration a s a guide for adjustment. Have lights on low
beam. Sight across hood ornament and steering wheel t o locate
tractor centerline.
Adjusting screws are located behind bulbs. Open hood for access.
A
-Height
of
Lamp
B
-
Centerline
of
Tractor
C
-
Lower Light Zone
D
-
Upper Light Zone
E
-
130 mm ( 5 in.)
F
-
Poinb Directly in front of Ligho
1. Park tractor on level ground,
8
m (25 feet) from a wall.
1
6. Adjust lamp assemblies i f necessary. Adjusting screws are
behind bulbs. Ooen hood for access.
2.
Measure height of lamps above ground, and place a strip of
masking tape on wall a t same height.
3. Slight across steering wheel and hood ornament t o locate
tractor centerline. Mark this spot, and measure out 130 mm
(5 in.) in each direction. This locates a spot directly in front of
each lamp.
4. Turn light switch t o the second pulled position, which switches
head lamps t o low beam.
5 . Locate small zone of bright light projected by each lamp.
Top of bright zone should be 130 mm (5 in.) lowerthan lamp.
2
2 0
- J
and left edge of zone should be 130 mm ( 5 in.) t o left of lamp.
Cover other lamp i f necessary.