Tadano GR-700N, Service Manual

Page: 79 / 200

66
WY05-3920E
Y-7 Y-7
Assembly Adjustment (Traveling Device)
7. Adjusting headlight light axis
[NOTICE]

Before adjusting the light axis, make sure to perform
the suspension leveling operation.
Headlight type (Hella)

Standard
Halogen headlight (for high/low beam):
E
1
-112R-002485

Option
Discharge headlight
(for high/low beam): E
1
-98R-002485

With 10-m beam aiming type headlight tester
(Measure with air conditioner OFF)
7.1 Adjusting low beam
1. Set the switch to the low beam side.
[NOTICE]

Select "With cut" for the measurement mode.
2. Apply masking to the lights of clearance lamp and
turn signal lamp.
3. Check that the cutoff line is directed to upper left
(for traveling on left side of the road) as shown in
Figure 1. If it is directed to upper right (for
traveling on right side of the road), replace the
headlight.
4. Make adjustment so that the elbow point is inside
the range below, and that the luminous intensity
satisfies the value below.
<Elbow point>

When illumination center is at 1 m or more
(For reference) GR-700N-1: 1,050 mm (41.3 in)
Up/down: Range between 70 mm (2.8 in) and 200
mm (7.9 in) downward from illumination center
Left/right: Range at 270 mm (10.6 in) each to left
and right from illumination center
<Luminous intensity>
6,400 cd or more
(For reference) luminous intensity measurement
point:
Point at 160 mm (6.3 in) downward and 230 mm
(9.1 in) left from illumination center
Figure 1
(Units: mm)
5. Individually for left and right, make adjustments
above.
7.2 Adjusting high beam
Because the headlight serves both for high and low
beam, any adjustment of high beam is not needed.
7.3 Procedure for adjusting light axis
(Units: mm)
1. Adjust the light axis by adjusting the set height of
adjustment screw (with holder) 20 mm (0.8 in)
within the range of ±3 mm (0.12 in).
(Also acceptable by adjusting distance from light
cover outside surface to headlight with 0 ± 3 mm
(0.12 in)).
2. After the adjustment of the light axis, install the
cover.
Support
Holder
Cover
(Spare parts)
(Spare parts)
Adjustment screw
(6 points in total)
Cutoff line Illumination
center
Elbow point
Luminous intensity
measurement point