OPERATION & MAINTENANCE MANUAL SWE155F
flammable materials such as thatched roof, dry leaves
or dry grass.
Survey terrain and ground condition around worksite.
Determine a safest operation method in a safe manner.
Do not operate in vicinity of the area in which there is
a risk of landslide or falling rock.
At the work around place of water or gas lines, or
cables underground. Contact relevant utility to identify
their locations. Pay attention not to rapture or damage
any of these lines.
Take necessary measures to prevent any unauthorized
person from entry into work area.
In the event of operation over soft ground or in
shallow water, it’s necessary to check type and
condition of rock bed, and take water depth, flow
speed into account prior to operation.
In the event of operation in vicinity of over bridge or
overhead stuff, be cautious not to collide with front
working device of machine.
1.2.17 Operation on Loosened Area
Do not operate around cliff, shoulder of road or ditch.
In this area, the ground is loosened. There is a
possibility of getting into danger of ground sinking
with vibration and weight of the machine. Bear in
mind that the soil is loosened in this area after heavy
rain, explosion operation or earthquake.
When working on a dike or around ditch, there is a
possibility of getting into danger of ground sinking
resulting from vibration or weight of the machine. It’s
necessary to take measures to secure safety against
tip-over and falling off.
1.2.18 Signals and Gestures from Flagman
Provide caution plates when working on shoulder of
road or loosened ground. Provide a flagman if
necessary. Operator must pay much attention to
caution plates and follow flagman’s instruction.
Use only one flagman to instruct.
Make sure all signals and gestures are understood by
the personnel prior to operation.
It’s necessary to offer a flagman to organize operation
during multi-machine operation. Be sure all his signals
are understood and follower by operators.
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