Bomag BW 156 D-3 Service Manual page 140

Service Training
Fig. L2:
Checking the steering/charge pump
• Install a 200 bar pressure relief valve between steering pump outlet and high pressure hose to the
steering valve
• Connect a 600 bar pressure gauge
• Start the engine (low idle speed) and read the pressure gauge
Nominal value: 200 bar (adjustment value of the integrated pressure relief valve)
If the pressure is not reached, replace or repair the steering/charge pump.
BW 156/177 D-3/PD-3
BW 178/179 D-3/PD-3 - FTr 3 -