Engine: Expired / General Subjects

1. A allow an alternate main pump to start in the fully loaded condition thus developing immediate full torque
2. B prevent both units from operating simultaneously which could result in doubling the flow of oil and pressure leading to over pressurization of the system
3. C prevent either main pump from being hydraulically motored when idle by cross pressure flow
4. D all of the above

Tip: press A-D to answer