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How to ensure that digging holes vertical earth auger

To dig a hole to control good is how to correct operation machine hydraulic system, hydraulic system is more complex because it is over, a bit not note will cause digging holes verticality deviation occurs, the rise of hydraulic arm is mainly responsible for earth auger bit and landing, the forearm is mainly responsible for before and after the direction of the drill bit, so digging machines at work, only need to set your forearm, make its natural prolapse, only operating arm can go up and down in the operation, so that earth auger can vertical work. Stability dug a pit homework how, if you can meet the design when the expected diameter and depth, these will be made after many trials of production.