TESTING AND ADJUSTING MEASURING BLOW-BY PRESSURE MEASURING BLOW-BY PRESSURE 5. Run the engine at high idling and measure the blow-by pressure. Working mode: A Work equipment, swing, and travel circuit: Relieve the travel circuit. a Measuring instruments for blow-by pressure 1. Remove the engine undercover (on the flywheel side). 2. Install nozzle [1] of blow-by checker C to the end of blow-by hose (1) and connect it to gauge [2]. 6. After finishing measurement, remove the mea- suring instruments and return the removed parts. 3. Start the engine and lock the travel mechanism. k Put pin [3] between the sprocket and track frame to lock the travel mechanism securely. 4.
Start the engine and warm it up to the operating range. Engine coolant temperature: Within operat- ing range Hydraulic oil temperature: 45 55°C 20-110 PC130-7 (1) Symbol Part No. Part name D 799-201-1504 Blow-by checker