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4.5 Machine maintenance interval
4.5.1 Daily maintenance (every 8 hours)
Carry out following maintenance operation
before starting machine daily( every 8 hours)：
4.5.1.1 Greasing work equipments
（1）boom cylinder foot, 2 places
（2）boom foot pin ( 2 places)
（3）boom cylinder rod end (2 places)
（4）arm cylinder foot pin(1 place)
（5）boom – arm connecting pin ( 2 places)
（6）arm cylinder rod end (1 place)
（7）bucket cylinder foot pin (1 place)
（8）arm –link connecting pin( 1 place)
（9）arm – bucket connecting pin( 1 place)
（10）link connecting pin( 2 places)
（11）bucket cylinder rod end.(1 place)
（12）bucket – link connecting pin( 2 places)
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