In daily excavator operation, the travel assembly plays a crucial role in equipment movement, relocation, and operation in complex terrain. Abnormal noises or oil leaks in the travel assembly not only affect equipment efficiency but can also lead to more serious mechanical failures, increasing ...
The following symptoms may indie a hydraulic main control valve fault on an excavator. Note that several of these symptoms can also result from other system failures — hydraulic pump wear, relief valve malfunction, cylinder seal failure, or low oil level. Always perform a systematic pressure test ...
I. Internal Faults of the Hydraulic Pump Unit (Root Causes) 1. Internal Wear and Leakage in Moving PartsAxial piston pumps are the standard configuration for excavator main pumps. Common wear points include: excessive clearance between pistons and cylinder bores; wear or scoring on the valve plate ...
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