Perform breaking-in for the period of about the first 100 hours (hours displayed on the service
meter). The life of the machine shortens if overloaded operation or task is performed before the
various sections of the machine are used to the operation. During the period of normal
collaboration, do not allow overload servicing or operation, otherwise, it may affect the
performance or life of the machine.
While this machine is shipped after thorough adjustment and inspection, forcing the machine from the
beginning will quickly degrade the functions of engine and crane, shortening their life.
Perform the breaking-in for the first “100 hours” (time displayed on the service meter).
Pay attention particularly to the following during the breaking-in period.
• Be sure to perform the engine and hydraulic equipment warm-up operation after the engine has started.
See “Operation 3.4 Operations and Checks After Starting Engine”
• Idle the engine for 5 minutes after starting, then perform warm-up operation.
• Avoid overloaded operation or tasks with high-speed operation.
• Avoid sudden starting, sudden acceleration, unnecessary sudden stop or sudden steering
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