What are the reasons for the slow action of excavator
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The manipulator can enter the service diagnosis system for relevant pressure test to see if the excavator moves slowly due to the insufficient output flow of the hydraulic pump. The cold engine is working and the hot engine moves slowly. When the excavator works well when it is cold and the heat engine moves slowly, it needs to check: 1.
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High quality Excavator Long Reach Boom And Arm 22 Ton Long Boom Swamp Excavator Spare Parts from China, China's leading 22 Ton Long Boom Swamp product, with strict quality control Long Reach Long Boom Swamp factories, producing high quality Long Reach Long Boom Swamp products.
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SC 3600 hydraulic shear for excavators. Hydraulic steel cutter SC 3600 for excavators of 32-50 tons, used in industrial demolition and scrapyards. Carrier weight, stick mounted ¹: 32 t - 50 t. 70,500 lb - 110,000 lb. Carrier weight, boom mounted ¹: 20 t - 38 t. 44,000 lb - 84,000 lb. Service weight ²: 3,830 kg.
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Technical Specifications for 320 Hydraulic Excavators
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Link-Belt excavators reuse hydraulic oil returning from the arm and boom to reduce cavitation and back pressure. LBX claims a 20-percent improvement in cycle times and 10-percent improvement in 90-degree swing-and-dump operations compared to "conventional models."
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All components of the excavator boom as well as the bucket itself are controlled by hydraulics; an outer stanchion filled with fluid — usually some sort of oil — can be pressurized, thereby causing an internal piston to push forward. When the pressure is …
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SC 3600 hydraulic shear for excavators. Hydraulic steel cutter SC 3600 for excavators of 32-50 tons, used in industrial demolition and scrapyards. Carrier weight, stick mounted ¹: 32 t - 50 t. 70,500 lb - 110,000 lb. Carrier weight, boom mounted ¹: 20 t - 38 t. 44,000 lb - 84,000 lb. Service weight ²: 3,830 kg.
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Link-Belt excavators reuse hydraulic oil returning from the arm and boom to reduce cavitation and back pressure. LBX claims a 20-percent improvement in cycle times and 10-percent improvement in 90-degree swing-and-dump operations compared to "conventional models."
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Maximum Pressure - Implements 34 300 kPa 4,980 psi Maximum Pressure - Travel 34 300 kPa 4,980 psi Maximum Pressure - Swing 22 550 kPa 3,270 psi Pilot System - Maximum Flow 23.7 L/min 6.3 gal/min Pilot System - Maximum Pressure 4120 kPa 600 psi Boom Cylinder - Bore 110 mm 4.3 in Boom Cylinder - Stroke 1193 mm 47 in Stick Cylinder - Bore 120 mm 4
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Mar 22, 2016 · A raised hood on an excavator exposes banks of black hoses exiting pumps and heading off in all directions to power machine travel, boom swing, arm movement and attachment functions. How a designer arranges the lines — minimizing right angles and other flow choke points — helps determine the efficiency of the hydraulic system.
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The hydraulic control system for a hydraulic excavator according to the present invention comprises, as a basic configuration thereof, a boom control valve adapted to provide pressure oil from a first hydraulic pump with a boom cylinder in accordance with operation of a boom operation means, the boom control valve being disposed in a first oil
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In heavy construction equipment, such as an excavator, a loader, and the like, diverse attempts to efficiently control the horsepower or fluid pressure of an engine have been made, and in the case of compositely operating a swing structure and a working device, such as a boom, an arm, or a bucket, it is required to efficiently control not only
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Apr 22, 2019 · However, an excavator bucket that is already on the ground will not fall on another worker if hydraulic pressure is suddenly lost. The foreman who attempted to service the fitting with the boom raised should have been educated about the danger of servicing unsupported hydraulic equipment and should have been trained to always lower the bucket
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Oct 25, 2017 · 320 Hydraulic Excavator Specifications Operating Weight and Ground Pressure 790 mm (31 in) Triple Grouser Shoes Weight Ground Pressure 4.2 mt (9,300 lb) Counterweight + Base Machine Reach Boom + R2.9 (9'6") Stick + 1.19 m3 (1.56 yd3) HD Bucket 22 500 kg 49,600 lb 35.5 kPa 5.2 psi 4.7 mt (10,400 lb) Counterweight + Base Machine
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Excavator valves supplied by Finotek is cartridge type, hydraulic control, pressure relief valve, manufactured for repairing used excavators, as excavator parts, which is to repair used Hitachi excavators; used Kobelco excavators, used Cat–Caterpillar excavators, used Komatsu excavators, used HyunDai & Doosan excavators etc. Finotek excavator valves as excavator parts are mostly available
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The XBoom Coupler QC-Mate comes instaled with custom Laser-Cut Jaws that enable the jaws to perfectly "fit" over the back-surface of 3/8-in, 1/2-in & 3/4-in hydraulic quick-couplers for a robust "bite" that can handle the force of the clamp! Because of the critical nature of the assembly process, XBoom Coupler® only sells the QC-Mate (TM) as a
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Nov 15, 2018 · Komatsu excavator pilot pressure system and sensor issue. Neutral, and when the load pressure P2 is low (boom, arm cause) When the weight falls When the engine is stopped, the spring (6) pushes the poppet valve (5) toward the valve seat, and the passage of the port GOOGLE PR→T is closed. Hydraulic excavator repair excavators are divided
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Sep 28, 2010 · The 300-size machines are equipped with two boom mode settings; four working modes; and Power Max to match engine speed, pump flow and system pressure to specific job needs. The PC308USLC-3 offers two working modes, one with four level settings. All of the machines come equipped with the Komtrax wireless monitoring system as standard.
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