Series 50 – Section 12.3 Engine Tune-Up Procedures for the Series 50G Engine

Section 12.3
Engine Tune-Up Procedures for the Series 50G Engine

The Series 50G is equipped with Detroit Diesel Electronic Controls (DDEC) and a Gaseous Fuel Injector (GFI) system.‪

PERSONAL INJURY ‪
To avoid injury from accidental engine startup while servicing the engine, disconnect/disable the starting system.‪

PERSONAL INJURY ‪
To avoid injury from contact with rotating parts when an engine is operating with the air inlet piping removed, install an air inlet screen shield over the turbocharger air inlet. The shield prevents contact with rotating parts.‪

The tune-up procedure for the Series 50G consists of intake and exhaust valve clearance adjustments and spark plug replacement. These procedures should be performed with the engine cold. See Figure "Turbocharger Compressor Inlet Shield (Series 50G)" for the gas turbocharger compressor inlet shield.‪

Figure 1. Turbocharger Compressor Inlet Shield (Series 50G)