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What is 420E & 430E Backhoe Loader Hydraulic Testing about?
This document provides instructions for testing the pilot system pressure and relief valves in the hydraulic and steering systems of 420E and 430E backhoes. It describes the steps to install a pressure gauge, check the pilot system pressure, and test and adjust the relief valves using a hydraulic pump. It also includes tables with the necessary tools and pressure specifications for each relief valve.
- Author
- ScribdTranslations
- Language
- EN