30. EXTENDING MACHINE SERVICE LIFE 30.4 GRAPPLE BUCKET MAIN FIELDS OF APPLICATION ° Demolition ° Disposing of industrial waste ° Forestry This bucket is widely used for demolition including breaking-up work, grading and digging, clean-up work after natural disasters, dumping industrial waste, and forestry work, etc. MISTAKEN METHODS OF USE To ensure that the machine has a long life, and to ensure that opera- tions are carried out in safety, do not operate the machine in any of the following ways. Do not operate the cylinder to the end of its stroke. Always leave approx. 5 cm (2 in) to spare.
Operations using the swing force Grabbing an object using buckets on only one side Closing the sub-bucket with the boom and arm fully extended. Impact operation with no load PC450-ENG 5-24