Yanmar 4TNV98 Service Manual page 188

Full-Load Position Adjustment
Mechanism
Figure 7-29
The full-load position is determined by the amount
the full-load adjusting screw is driven. When the
screw is driven, the corrector lever turns
counterclockwise with M
being the fulcrum to move
1
the control sleeve to the fuel increase direction.
When the screw is loosened, the control sleeve
moves to the fuel decrease direction.
4TNV98 & 4TNE98 Diesel Engine Section 4. Fuel System
186