Exam 28: Electronic Unit Pump Eup Systems

Technician A says that MB-4000 engine controllers are designed to broadcast data on a J1939 data bus. Technician B says that because MB-900 engines are built offshore the data bus will not display the SAs, MIDs, PGNs, PIDs, SIDs and FMIs that enable generic readers to access the electronics. Who is correct?

What should be done before removing an EUP from an engine cylinder block?

What is the specified NOP value on a pre-2007 Mack E-Tech, EUP fueled engine?

Technician A says that EUPs are mechanically-actuated by a cylinder block mounted camshaft. Technician B says that SMART injectors supplied by high pressure lines are used on second generation EUP fuel systems. Who is correct?

Technician A says that an EUP high pressure pipe is designed for one-off use only. Technician B says that EUP roller lifters ride directly on the cam profiles that actuate them. Who is correct?

What determines actual plunger stroke in any EUP fueled engine?

How is the Mack Trucks V-MAC III engine ECU cooled?

What management system is used by Mercedes Benz to control their post-2007 family of EUP fueled engines?

Which of the following is true regarding EHI nozzle opening?

When installing an EUP to an engine cylinder block, how should the O-rings be lubricated?