1-15
5.4 LOAD INDICATOR
• The following precautions should always be observed when reading the “rated total load”
provided by the load indicator. Potential overturning or damage to the machine may occur that
leads to a serious accident if disregarded.
1. The outriggers should be placed on a level and firm surface.
2. The outriggers should be extended at the maximum.
• The weight of an object including that of a hoisting accessory and slinging rope must remain
below the rated total load for hoisting objects. With the boom length (number of stages) and
angle specified, make a comparison between the rated total load provided by the load
indicator and the weight of the object.
• The rated total loads provided by the load indicator are not available if the outriggers are not
extended at the maximum.
Only read the “boom angle" on the load indicator.
The load indicator, composed of a “pointer” and
“scale plate” as shown at right, is attached to
both sides of boom 1.
The load indicator shown at right provides
readouts on the rated total load under the
following conditions: that the outriggers are
placed on a level and firm surface, that the
outriggers are extended fully (see section 5.3
“[2] Outrigger maximum extension” in
Introduction), and that no deflection is
developed in the boom.
How to read the load indicator:
• Read an intersection point of the scale plate
and the pointer of the boom.
The value read is a rated total load on the
relevant boom.
To Next Page
Loading...
