0-4
PC210/240-ENG
3.1 INTENDED USE
This Komatsu HYDRAULIC EXCAVATOR is designed to be used mainly for the following work:
• Digging
• Smoothing work
• Ditching work
• Loading work
See the section 12.14 “WORK POSSIBLE USING HYDRAULIC EXCAVATOR” for futher details
3.2 FEATURES
• This Komatsu HYDRAULIC EXCAVATOR is equipped with various controls based on an advanced
electronics system.
• The monitor panel greatly facilitates daily maintenance and self-diagnosis.
• Working mode, travel speed and swing priority are selectable.
• Digging and lifting force can be increased by light-touch control. (For details, see operation section.)
• Adjustable wrist control levers make operations smooth and easy.
• Fresh filtered air heater assures comfortable operation. (Air conditioner option)
• Low noise level and smart urban style design and colouring.
• Superb operation performance provided by powerful engine and high-performance hydraulic pumps.
• Low fuel consumption controlled by an electronic control system provides an environment-friendly
machine.
3.3 BREAKING IN YOUR NEW MACHINE
Your Komatsu machine has been thoroughly adjusted and tested before shipment.
However, operating the machine under severe conditions at the beginning can adversely affect the perform-
ance and shorten the machine life.
Be sure to break in the machine for the initial 100 hours (as indicated by the hour meter.)
During breaking in:
• Idle the engine for 5 minutes after starting it up.
• Avoid operation with heavy loads or at high speeds.
• Sudden starting or acceleration, unnecessarily abrupt braking and sharp turning should be avoided
except in cases of emergency.
Additionally for the first 20 hours
• Avoid operating engine for prolonged periods at constant speed (including idle.)
• Avoid high speed travelling for periods of more than 5 minutes.
Pay particular attention to oil pressure and temperature indicators & check coolant and oil levels frequently
during breaking in.
The precautions given in this manual for operating, maintenance, and safety procedures are only those that
apply when this product is used for the specified purpose. If the machine is used for a purpose that is not listed
in this manual, Komatsu cannot bear any responsibility for safety. All consideration of safety in such operations
is the responsibility of the user.
Operation that are prohibited in this manual must never carried out under any circumstances.
3. INTRODUCTION
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