An excavator arm consists primarily of a boom, stick, and attachments. Hydraulic cylinders power the movements of the parts, pins bind parts together, and linkage attaches parts to one another in ways that allow for parts to pivot to perform actions. While not part of the arm, the entire hydraulic system is controlled by the main hydraulic pump and main hydraulic valve, located in the house of the...

Regular hydraulic cylinder maintenance is critical to system maintenance and performance Here, we share top tips for successful hydraulic cylinder maintenance. 1. First things first - keep hydraulic fluid clean Many hydraulic failures occur due to hydraulic oil contamination. This is important to prevent damage to the system and components. If the hydraulic fluid is contaminated, it must be cleane...

The excavator arm Hydraulic excavators work by allowing the operator to use levers to control the movement of the hydraulic system to push and move the cylinders that control the boom and bucket of an excavator. It is composed of three hydraulic pistons that operate in tandem with steel piston arms. The two main sections and bucket loader are connected by means of a hinge. The extension of the fir...

A hydraulic excavator's operation body has the following three cylinders starting from the bottom; "boom cylinder", "arm cylinder", and "bucket cylinder". What is the function of arm cylinder in excavator? The cylinders function like the biceps and triceps of the machine, providing the power to move the arm in different directions. The control valves act like the machine's brain, directing the flo...