Fuel Limiter
Inspection / Adjust
A5.05. 05.04.01.01
3750
M20
en / 30.05.2000 IB021625 2/2
05
Ĺ
3.2 Check whether the piston follows the charge air pressure change continuously and without
hesitation. Overhaul the fuel limiter if piston operation is not satisfactory.
Piston travel = 26 mm
3.3 If the exhaust gas becomes black turn adjusting screw (2) 1 to 1.5 turns clockwise to
increase the spring load.
3.4 Speed the engine up again and check the exhaust gas.
3.5 If the regulating speed is too slow turn the adjusting screw (2) counterclockwise until the
regulating speed is as desired without smoke in the exhaust.
4. Lock the screws.
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