JLG X23J - X700AJ Service Manual - Manual (Page 285)

SECTION 3 - CHASSIS & TURNTABLE
3-258 – JLG Lift – 3121448
OPERATION
STR (SELF TUNING REGULATOR) GOVERNOR
This engine uses an electronic control governor as
opposed to the conventional mechanical governor.The
ECM controls various functions to attain high power out-
put and low fuel consumption.
FUNCTIONS
Engine speed control function
The ECM deters engine revolution pulse, controls the
throttle position and constantly adjusts to the most appro-
priate engine speed. Moreover, setting the pattern of
engine speed can be done by changing the program in
the ECM, according to the required use.