Advance acoustic 56514925, Service Manual, Page: 109 / 260

Engine System, Gasoline/LPG 109 Service Manual – Advance 7765 / Nilfisk CR1500
Loss of Oil Pressure Protection
The engine will shut down if the oil pressure drops below 6 psi at 1000 RPM, or below 18 psi at 2000 RPM.
Check for possible causes for low oil pressure such as:
• Engine crankcase level is low.
• Incorrect oil viscosity.
• Fault in oil pressure switch.
• Excessive engine wear or defective internal oil pump (relief valve)
Engine Diagnostics
To Access the Engine Diagnostic Information Using the Controller Interface Kit and a PC
The Diagnostic Communications Cable and Software Kit
(p/n 56305647) allows you to connect a laptop PC to the engine
to view the various engine parameters, configuration settings
and error codes, and displays the engine software and hardware
information.
Note that this is the preferred way to view the engine diagnostic
information. To use the Controller Interface Kit:
1. Install the software from the provided CD onto your PC.
2. Connect the USB connector on the kit cable to a USB port in
your PC.
3. Remove the
Protective Cap
, then connect the kit cable to the
Communication Port
on the engine.
Diagnostic Communication Cable
and software, p/n 56305647
Protective Cap
Communication Port