Control, Function, Operation
3 - 6
Section C
Electrics
9803/6400
Section C
3 - 6
Issue 1
Layout
Slight difference of RPM
between each mode
Engine speed varies according to
mode:
S Mode is100rpm less than H mode
L Mode is 200rpm less than H mode
Idle Mode Revolutions 900rpm
Engine RPM and idle RPM selected
according to throttle volume in the F-
mode.
When auto idle is selected,
automatically decreased to idle RPM
15 seconds after lever is put into
neutral.
Pressure in Breaker pilot line
activates a switch which signals the
control of engine speed
Increases RPM gradually from
starting, and warms up & circulates
lubricating oil around the engine.
Monitors for an abnormality in the
motor position at which the limit
switch is closed. If an abnormality
exists, motor stops.
After the engine has been operating
for 12 seconds, the engine oil
pressure switch is monitored. If an
ON status is detected for more than 3
seconds, engine stops.
One-touch/auto idle RPM is
reduced to the machine’s
original idling RPM.
Idling RPM is regulated
according to the mode
selected.
An operator can adjust engine
RPM by one-touch.
The one touch/automatic idle
switch can be set to ‘AUTO’
so that engine automatically
idles when not under load.
When breaker pedal is
operated, the engine speed
changes automatically to suit
the breaker.
When starting a cool engine, a
special warming up process is
begun automatically.
Detects assembly in which
throttle motor damage is
highly possible and alarm is
given.
Reverse rotation of an engine
is detected, and is stopped
Engine revolutions automatic
adjustment.
Idling Control.
Breaker revolution control.
Engine automatic warm-up.
Detection of throttle motor
asseembly defect
Engine reverse rotation
prevention
CONTROL
FUNCTION
OPERATION
a
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