F U E L S Y S T E M
TM 5-3805-258-24-1
T E S T I N G A N D A D J U S T I N G
8.
9.
10.
Move the governor control lever to the High
Idle position and hold this position. The read-
ing on the dial indicator is the air fuel ratio
control setting.
Make reference to the FUEL SETTING lN-
FORMATION for the correct air fuel ratio
setting and compare to the dial indicator read-
ing.
If the air fuel ratio control setting is not cor-
rect, use 6V2106 Rack Adjustment Tool (11)
to loosen the locknut and turn adjustment
screw (12). Turn the screw clockwise to de-
crease the amount of fuel possible (less rack
travel) at the limited rack position.
RACK SETTING PROCEDURE
Tools Needed:
7N1048 Timing Pin.
6V2106 Rack Adjustment Tool Group.
6V2128 Compressor, Over fueling spring.
6V2031 Rack Position Indicator.
9S229 Contact Point 9.7 mm (,38 in.) long.
5P4814 Collet.
6V3075 Dial indicator.
8S4627 Circuit Tester.
The rack setting can be done with the fuel injection
pump and governor on or off the engine.
1.
2.
Remove fuel line (1) and fuel filter base (2)
and filter from the fuel injection housing.
Remove cover (3) from the side of fuel in-
jection housing.
G O V E R N O R L I N K A G E A D J U S T M E N T
( T Y P I C A L E X A M P L E )
11. 6V2106 Rack Adjustment Tool Group.
R I G H T S I D E O F E N G I NE
( T Y P I C A L E X A M P L E)
1. Fuel line. 2. Fuel filter base. 3. Cover.
3. Install 5P4814 Collet (5) on indicator bracket
(6).
A D J U S T M E N T S C R E W F O R G O V E R N OR
( T Y P I C A L E X A M P L E )
12. Adjustment screw.
C O V E R R E M O V ED
4. Slot on fuel rack.
4-21