GENERAL PRECAUTIONS COMMON TO OPERATION
AND MAINTENANCE
Mistakes in operation, inspection, or maintenance may result in serious personal injury or death. Before per-
forming operation, inspection, or maintenance, thoroughly read this manual and the safety labels on the ma-
chine carefully and obey the warnings.
If any abnormality or problem is found, contact your Komatsu distributor.
PRECAUTIONS BEFORE STARTING OPERATION
ENSURE SAFE OPERATION
• Only trained and authorized personnel can operate and maintain the machine.
• Follow all safety, precautions, and instructions in this manual when operating or performing inspection or
maintenance on the machine.
• If you are not feeling well, or if you are under the influence of alcohol or medication, your ability to safely
operate or repair your machine may be severely impaired, putting yourself and everyone else on your job
site in danger.
• When working with another operator or with the person on the worksite traffic duty, discuss the content of
the operation beforehand and use the determined signals when performing the operation.
UNDERSTAND THE MACHINE
Before operating the machine, read this manual thoroughly. If there is any place in this manual that you do not
understand, ask the person in charge of safety for explanation.
PREPARATIONS FOR SAFE OPERATION
PRECAUTIONS FOR SAFETY-RELATED EQUIPMENT
• Be sure that all guards, covers, cameras, and mirrors are in their proper position. Repair them immediately
if they are damaged.
• Understand the using method of the safety related devices and use them properly.
• Never remove any safety related devices. Always keep them in good operating condition.
INSPECT MACHINE
Check the machine before starting operations. If any abnormality is found, do not operate the machine until re-
pairs of the problem location have been completed.
WEAR WELL-FITTING CLOTHES AND PROTECTIVE EQUIPMENT
• Do not wear loose clothes or any accessories. If any of
these catch the control levers or protruding parts, it may
cause the machine to move unexpectedly, it is extremely
dangerous.
• Always wear a hard hat and safety shoes. Wear protective
eyeglasses, mask, gloves, ear plugs, and safety belt as
appropriate for the work function.
• Long hair hanging out from the hard hat is dangerous that
it may get caught up in the machine. Tie the hair up and be
careful not to be caught.
• Check that all personal protective items function properly
before using them.
KEEP MACHINE CLEAN
• If you get on or off the machine or perform inspection and maintenance on the machine with mud or oil, you
may slip and fall, and it is dangerous. Wipe off any mud or oil from the machine. Always keep the machine
clean.
SAFETY
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE-
NANCE
2-11
Summary of Contents for PC1250-11
Page 2: ......
Page 11: ...Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVELS 1 9...
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Page 66: ......
Page 377: ...Boom d Left side e Right side f Head side g Foot side MAINTENANCE MAINTENANCE PROCEDURE 4 61...
Page 378: ...Arm h Left side i Right side MAINTENANCE PROCEDURE MAINTENANCE 4 62...
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Page 401: ...SPECIFICATIONS 5 1...
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Page 435: ...REPLACEMENT PARTS 7 1...
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