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出厂检测ps压缩版
27 , October

Comprehensive Testing Standard for Hydraulic Components of Excavators

Before being put into use, excavator hydraulic main pumps, main control valves, and motors must undergo six standardized extreme load tests on a comprehensive test bench—including initial break-in, pressure resistance sealing, volumetric efficiency, variable logic, internal leakage/temperature rise, and durability/fatigue testing—to fully verify core performance metrics.
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How Hydraulic Oil Contamination Destroys Pumps, Valves, and Motors
26 , October

How Hydraulic Oil Contamination Destroys Pumps, Valves, and Motors

Learn how hydraulic oil contamination damages excavator pumps, valves, and motors, with practical checks for cleanliness, repair, and replacement decisions.
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挖掘机憋车冒黑烟ps压缩版
21 , October

Analysis of the Mechanism and Standardized Troubleshooting for Excavator Stalling Faults

This article analyzes the three core causes of excavator stalling—engine power degradation, excessive main-pump load from the regulating mechanism, and electronic control or sensor signal misjudgment—while detailing a four-step standardized on-site troubleshooting procedure covering safety depressurization, preliminary exhaust and function diagnosis, basic fuel and air circuit checks, cab monitor parameter diagnostics, and hydraulic control component cleaning.
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阀组ps压缩版
20 , October

Classification and Working Mechanism of Excavator Hydraulic Valve System

This article classifies excavator hydraulic valves into main pump power control, main control valve distribution, actuator protection, and pilot auxiliary groups, explaining the working mechanisms of key components such as PC valves, LS valves, main relief valves, and boom holding valves along with common failure symptoms. It also covers repair standards and highlights YIKAN KOMSU’s quality assurance system for high-precision hydraulic valve production and aftermarket support.
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Swing Motor Failure Symptoms Slow Rotation, Drift, and Abnormal Noise
19 , October

Swing Motor Failure Symptoms: Slow Rotation, Drift, and Abnormal Noise

Diagnose swing motor failure symptoms such as slow rotation, drift, and abnormal noise, then separate valve, brake, motor, and gearbox faults before repair.
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液压泵结构ps压缩版
17 , October

Synergistic Mechanism of Core Components in a Swash plate Axial Piston Pump

To reduce hydraulic system risks caused by oil contamination, poor machining, or parameter mismatch, it is critical to select a supplier like YIKAN KOMSU that implements a strict quality-control system encompassing incoming raw material spectral analysis, CMM precision inspection, high-cleanliness assembly, and full functional and durability testing.
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