Zenoah HC510DV - Manual (Page 7)

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5. For safe operation
■ BEFORE USING THE MACHINE
a. Cut-off saws are high-speed cutting tools and
very dangerous to operate; therefore it is very
important that you read and fully understand the
contents of the owner’s manual before using.
b. This unit has been designed for use in cutting
concrete products, stone and cast-iron pipe at
outside construction site. Never use this product
for any other purpose since doing so could result
in unforeseen accidents and injuries occurring.
c. You must be certain that your physical and
mental condition is satisfactory to operate this
unit. Never attempt to operate it under the
influence of drugs or alcohol, or when fatigued.
d. Never allow children or anyone unable to fully
understand the directions given in this manual to
use this machine.
e. Avoid running the engine indoors. The exhaust
gases contain harmful carbon monoxide.
f. Never use this unit under circumstances like
those described below:
1. When the ground is slippery or when other
conditions exist which might make it not
possible to maintain a steady posture.
2. At night, at times of heavy fog, or at any other
times when you’re your field of vision might be
limited and it would be difficult to gain a clear
view of the area.
3. During rain storms, during lightning storms, at
times of strong or gale-force winds, or at any
other times when weather conditions might be
unsafe.
4. When you cannot fix cutting material.
5. Near the combustible materials such as:
petrol (gas), wood, dry grass etc.
g. When planning your work schedule, allow plenty
of time to perform the work of cutting and allow
plenty of time for rest.
Limit the amount of time over which this unit is to
be used continuously to somewhere around 10
minutes per session, and take 10~20 minutes of
rest between work sessions. Also try to keep the
total amount of work performed in a single day
under 2 hours or less.
Operating this unit over a long period of time