GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE-
NANCE
PROTECTION AGAINST FALLING, FLYING OR INTRUDING OBJECTS
On jobsites where there is a hazard that falling objects, flying
objects, or intruding objects may hit or enter the operator's cab,
consider the operating conditions and install the necessary
guards to protect the operator.
• When working in mines or quarries where there is a haz-
ard of falling rock, install FOPS and a front guard, and use
a laminated coating sheet on the front glass (internal side).
When carrying out the above operations, always close the
front window. Always check that there is no one except the
operator in the surrounding area. They may be hit by fall-
ing objects or flying objects.
• When carrying out breaker operations, use a fully transpar-
ent laminated coating sheet on the front glass (internal
side). Keep all the windows closed when operating and al-
ways check that there is no one except the operator in the
surrounding area. They may be hit by flying objects.
The above recommendations assume that the conditions are
for standard operations, but it may be necessary to add addi-
tional guards according to the operating conditions on the job-
site. Always contact your Komatsu distributor for advice.
In such a case, do not operate the machine without an addi-
tional guard. Be sure to consult with your Komatsu distributor about necessary guards.
ACTIONS IN THE EVENT OF DAMAGE TO SAFETY STRUCTURES
The following components comprise the machine safety structure that can prevent injury to the operator from
falling objects, flying objects and intruding objects as detailed in the previous section.
• Operator cabin
• FOPS (falling object protective structure)
• Roof window glass
• Front window guard
• Front window glass
In the event any of the above parts become broken or damaged such that their function would be impaired, they
must be replaced with genuine Komatsu replacement parts.
No attempt should be made to repair these parts as this may have an adverse effect on component strength or
durability.
If such a repair is undertaken without authorisation from Komatsu there is a danger that a problem might occur
that will lead to serious personal injury.
If in doubt please contact your Komatsu distributor.
Komatsu can not take any responsibility for accidents, failures or damage caused by unauthorised repair to the
above mentioned components.
UNAUTHORIZED MODIFICATION
• Komatsu will not be responsible for any personal injuries, product failures, physical loss or damage, or influ-
ence on the environment resulting from modifications made without authorization from Komatsu.
• Any modification made without authorization from Komatsu can create hazards. Before making a modifica-
tion, consult your Komatsu distributor.
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS
• Any serious personal injury, or product failures, or physical loss or damage resulting from the use of unau-
thorized attachments or parts will not be the responsibility of Komatsu.
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