Farymann Diesel 15W Repair Manual page 59

TEST RUN, ADJUSTMENTS
7. Excess starting fuel button
For ease of starting all engines are fitted with an
excess starting pull button.
A cone limits the travel of the fuel rack. When
the starting fuel button is pulled down prior to
start, the cone allows the fuel rack to travel to a
higher fuel quantity position.
As soon as the engine reaches ist high idle
speed the governor moves the fuel rack towards
stop, the starting fuel button disengages and
returns to ist normal operating position.
Therefore it is necessary to start the engine
without load in order to reach max rpm. Other-
wise the starting fuel button will not diengage
and continously overload the engine.
Also the engine output is adjusted via the cone
of the starting fuel button. Depending in the in-
stallation depth of the cone the fuel rack travel is
shorter ( = less output ) or longer ( = higher out-
put ). This output adjustment is done on the
factory's test-bench. Under no circumstance–
this setting should be altered.
If the excess fuel button or the complete gear
cover was renewed, the engine output must be
re-adjusted on a test bench.
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