FUEL SYSTEM
GOVERNOR ADJUSTMENT FOR AIR FUEL
RATIO CONTROL
Tools Needed:
6V4186 Timing Pin.
6V2106 Rack Adjustment Tool Group.
6V2017 Governor Adjusting Tool Assembly.
S1614 Bolt 1/4-20, 12.7 mm (.5 in.) long.
6V2031 Rack Position Indicator.
9S229 Contact Point, 9.7 mm (.38 in.) long.
5P4814 Collet.
6V3075 Dial Indicator.
6V7941 Compressor, Overfueling Spring.
The governor adjustment for the air fuel ratio control can be done with the fuel injection pump and governor on or off
the engine.
NOTE: The air fuel ratio control is set to specific dimensions at the factory. If the control is disassembled it must be set
again on the 6V2029 Fixture Group before the governor adjustment is made. Make reference to Fuel Injection Test Bench
Form No. SEHS7466 Section IV-Q for instructions for the use of 6V2029 Fixture Group.
1.
cover (I) from the side of the fuel injection pump housing.
FUEL INJECTION PUMP AND GOVERNOR
1. Cover.
2.
Install 5P4814 Collet (2) on 6V2014 Bracket Assembly (3).
3.
Install the bracket assembly on the fuel pump housing. Lever (5) on the bracket assembly must be in slot (4) on
the fuel rack. Push up on the bracket assembly while the bolts are tightened.
After the bracket assembly is tightened to the pump housing, shaft (6) must have axial (in and out) movement. If
there is no axial movement of shaft (6), check to be sure lever (5) is in the slot on the fuel rack and that the bracket
assembly is installed correctly. Check to make sure that lever (5) is not bent. Lever (5) must be perpendicular (at right
angle) to the mounting face of the bracket assembly.
