OPERATING THE TRACTOR
50
B
Constant RPM Management Control
Constant RPM Management can be turned "ON" or "OFF"
by operating the switch. Pressing the switch to the lower
side turns the control "ON" and pressing the switch to the
upper side turns it "OFF".
C
When constant RPM management is "ON"
Fluctuations in the engine speed due to load fluctuations
are reduced and the travel speed and PTO speed are kept
nearly constant, allowing stable work. When constant
RPM management is "ON", the switch and the instrument
panel indicator light up.
C
When constant RPM management is "OFF
As in a conventional engine, the engine speed increases
or decreases according to changes in the load. The
operator judges the size of the load from the engine speed
and engine sound, and can adjust the travel speed or
plowing depth to prevent overload on the tractor.
A
In a mechanically-controlled engine, the engine speed
changes according to increases and decreases in the
load.
For example, when working in a hilly area, the load
increases and engine speed drops while ascending a
slope, and conversely the load drops when
descending. These changes in engine speed affect
the travel speed and PTO-driven implements. In order
to minimize these effects, the operator must make fine
adjustments to the travel speed and hand throttle
lever.
When the constant RPM management switch in this
tractor with its electronically controlled engine is
turned "ON", the engine speed will be kept nearly
constant in response to a certain level of load
fluctuations. This improves the accuracy of work
without the need for troublesome manipulation of the
travel speed and hand throttle lever.
A
It is recommended that a combination of light-load
PTO-driven implements and AUTO-MODE (Automatic
speed change) be used.
A
There is a limit to the range within which a constant
speed can be maintained. If a load exceeding the
engine performance is applied, the engine speed will
drop.
A
The purpose of constant RPM management is not to
increase the engine power.
(1) Constant RPM management switch
(A) "PRESS (ON)"
(1) Constant RPM management indicator
Содержание M100GX
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