Chapter E Chapter E
Information and Data
182
W301-0411E
1.2 Applicable Model: GR-1000XL-2
1.2.1 Initial Adjustment
(1) Clock adjustment
Select the "clock adjust" menu in the maintenance mode, and adjust the date and time.
(2) Use the "Winch drum position" of adjustment mode to set to "Front."
1.2.2 Detector Adjustment
These adjustments are based on condition that crane is set on firm level surface, with outrigger max.
extension, with suspension lock applied.
[NOTICE]
1. Adjust so that the center of fluctuation matches with the adjustment value.
2. Always adjust the boom angle and moment by the elevation lowering operation.
3. Always adjust the swing angle by the right (clockwise) swing operation.
4. At the moment adjustment, set the number of part-lines of wire rope to the standard number of part-lines
for boom full extension (4 part-lines), and perform the adjustment with AML set to boom status..
5. When using the hook block other than 0.47 t, perform adjustment to the weight of the hook to be used.
Item Adjustment condition
Adjustment value
( ): Tolerance at inspections
(Zero) - Boom: Fully retracted
12.00±0.04m（±0.08m）
Boom length
(Span) - Boom: Fully extended
47.00±0.04m
(Zero) - Boom angle: 0.0° 0.0±0.1° (±0.2°)
Boom angle
(NOTICE 2)
(Span) - Boom angle: 80.0° 80.0±0.1°
(Zero)
- Over-front
swing position
(Right swing)
Swing angle
1,2
0.0±0.3° (±0.6°)
Swing angle
(NOTICE 3)
(Span)
- Over-rear
swing position
(Right swing)
Swing angle
1,2
180.0±0.3°
(Zero) - Outriggers: Fully retracted
1.350±0.006m（±0.012m）
Outrigger length
(Span) - Outriggers: Fully extended
3.650±0.006m
Jib length (Zero/Span) Adjustment not needed
Power tilt jib
offset angle
(Zero/Span) Adjustment not needed
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