Komatsu D31EX-21, Operation & Maintenance Manual, Page: 33 / 256

SAFETY
GENERAL PRECAUTIONS
2-15
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Explosion caused by lighting equipment
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When checking fuel, oil, battery electrolyte, window washer fluid, or coolant, always use lighting with anti-
explosion specifications. If such lighting equipment is not used, there is danger of explosion that may
cause serious injury.
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When taking the electrical power for the lighting from the machine itself, follow the instructions in this man-
ual.
ACTION IF FIRE OCCURS
If a fire occurs, escape from the machine as follows.
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Turn the start switch OFF to stop the engine.
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Use the handrails and steps to get off the machine.
WINDOW WASHER LIQUID
Use an ethyl alcohol base washer liquid.
Methyl alcohol base washer liquid may irritate your eyes, so do not use it.
PRECAUTIONS WHEN USING ROPS
Install ROPS when working in places where there is danger of
falling rocks, such as in mines and quarries, or in places where
there is danger of rolling over.
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If ROPS is installed, do not remove it when operating the
machine.
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ROPS is installed to protect the operator when machine
rolls over. When machine rolls over, ROPS supports its
weight and absorbs its impact energy.
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If ROPS is modified, its strength may be reduced. When
modifying, consult your Komatsu distributor.
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If ROPS is damaged or deformed by falling objects or by rolling over, its strength will be reduced and it will not
be able to fulfill its function properly. In such cases, always Komatsu contact your distributor for advice of the
method of repair.
Even if ROPS is installed, always fasten your seat belt properly when operating the machine. If you do not use
your fasten your seat belt properly, it cannot display its effect.
PRECAUTIONS FOR ATTACHMENTS
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When installing optional parts or attachments, there may be problems with safety or legal restrictions. There-
fore contact your Komatsu distributor for advice.
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Any injuries, accidents, or product failures resulting from the use of unauthorized attachments or parts will not
be the responsibility of Komatsu.
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When installing and using optional attachments, read the instruction manual for the attachment, and the gen-
eral information related to attachments in this manual.
UNAUTHORIZED MODIFICATION
Any modification made without authorization from Komatsu can create hazards. Before making a modification,
consult your Komatsu distributor.
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Komatsu will not be responsible for any injuries, accidents, product failures or other property damages result-
ing from modifications made without authorization from Komatsu.