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Single bucket hydraulic excavator crawler check what are the technical requirements

Category:Industry news  Date:2014-07-28  Views:1633   [back]
1 rotary inspection requirements:
1). Rotary drive unit should work smoothly, should not overheat;
2.) slewing platform rotation should be stable, there should be no arrest, shock, slewing gear, lubrication should be good;
3). rotary speed reducer gear oil oil level oil level should reach mark level.
2. driving motor, Rotary motor driven work there should be no abnormal noise, overheating, leakage.
3. speed device should be working properly, the subsidence of the working device of hydraulic cylinder piston rod should not be greater than 100mm/h.
4. the control valve should be able to effectively control the slewing platform rotation, bucket arm reached out and back, moving the arm up and down movements.
5. working device inspection requirements:
1). boom, bucket, bucket undue deformation, cracks, welding;
2). teeth should be complete, complete, and should not be loose;
3). boom, bucket, bucket of the connection shaft should be lubricated well shaft fixed firmly.
6. braking and safety device inspection requirements:
1). when walking walking pedals in a free State, when the lever is in the neutral position, walking brake in brake State automatically;
2.) after you let go of multi-valve joystick, joystick should be automatically replaced, excavator function should be able to stop working;
3). led control switch lever should be reliable and efficient.


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