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The correct use of vulnerable parts of crushing hammer accessories

Posted: Dec 10th, '24, 01:40
by DIG-DOG
1. Read the operation manual of the hydraulic crusher to prevent damage to the hydraulic crusher and the excavator, and operate them effectively.
2, before the operation, check whether the bolts and connecting head are loose, and whether the hydraulic pipeline is leaking.
3, do not use the hydraulic crusher to peck holes in the hard rock.
4. The crusher shall not be operated under the condition of full extension or full contraction of the piston rod of the hydraulic cylinder.
5, when the hydraulic hose appears intense vibration should stop the operation of the crusher, and check the pressure of the accumulator.
6. Prevent interference between the boom of the digging machine and the drill bit of the crusher.
7, in addition to the drill rod, do not immerse the crusher in water.
8. The crusher shall not be used as a lifting device.
9. The crusher shall not be operated on the side of the excavator tire.
10, hydraulic crusher and excavator loader or other engineering construction machinery installation connection, the working pressure and flow of the host hydraulic system must meet the technical parameters of the hydraulic crusher requirements, hydraulic crusher "P" port and the host high-pressure oil circuit connection, "0" port and the host oil return circuit connection.
11, the best hydraulic oil temperature when the hydraulic crusher is working is 50-60 degrees, and the maximum shall not exceed 80 degrees. Otherwise, the load of the hydraulic crusher should be reduced.
12, the working medium used by the hydraulic crusher can usually be consistent with the oil of the host hydraulic system. Yb-n46 or YB-N68 anti-wear hydraulic oil is recommended in general areas, and YC-N46 or YC-N68 low-temperature hydraulic oil is used in cold areas. Hydraulic oil filtration accuracy is not less than 50μm.
13, the new and repaired hydraulic crusher must be re-filled with nitrogen when it is started, and its pressure is 2.5, ± 0.5MPa.
14, the drill rod handle and the cylinder block guide sleeve must be lubricated with calcium base grease or complex calcium base grease, and each shift fill once.
15, the hydraulic crusher must first press the drill rod on the rock, and maintain a certain pressure before starting the crushing hammer, not allowed to start in the suspended state.
16, do not allow the hydraulic crusher to be used as a crowbar, so as not to break the drill rod.
17, the use of hydraulic crushing hammer and fiber rod should be perpendicular to the working face, in order not to produce radial force for the principle.
18, the broken object has been broken or began to crack should immediately stop the impact of the crusher, so as to avoid harmful "empty".
19, if the hydraulic crusher should be stopped for a long time, the nitrogen should be drained, and the oil inlet and outlet should be sealed, and should not be stored in high temperature and -20 degrees below the environment.

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