Kubota M100GX Operator's Manual page 82

60 OPERATING THE TRACTOR
(1) Suspension indicator
C Suspension "ON" Mode
Whether driving on roads or doing work, the ON mode
reacts to changing surface conditions and the changing
weight of the tractor as implements are used. The ON
mode is usually selected. When the ON mode is selected,
the suspension indicator is illuminated.
C Suspension "LOCK (OFF)" Mode
The suspension system is locked out, and no suspension
action takes place. The LOCK mode should be selected
when the operator needs to prevent the tractor and the
attached implements from overcompensating the front
suspension system. The suspension indicator does not
illuminate when the LOCK mode is selected.
C Suspension "AUTO LOCK" Mode
In this mode, the suspension is automatically selected
LOCK or ON as listed in the table below.
The suspension indicator is illuminated when the AUTO
LOCK mode is selected.
3-Point
Hitch
Control
LOCK
Mode
A At low-speed
Position travel
selected A At lower 3-point
hitch
A With heavy draft
load (at lower 3-
point hitch)
Draft A At lower travel
selected speed
A While the 3-P.
Quick
switch is pressed
Suspension
ON
A While travelling
A At higher 3-point
hitch
A With light draft
load (at lower 3-
point hitch)
A At higher 3-point
hitch
lower
Example: Front End Loader operation (position
mode)
In order to efficiently perform Front End Loader work, the
suspension stays locked at lower speeds. This helps hold
the tractor in a stable condition. While traveling, the
suspension is turned on for comfortable ride.
Example: Plowing (draft mode)
When a drafted load becomes heavy, the suspension gets
locked. When the load becomes lighter, the suspension is
turned on. In moving with the plow up, the suspension is
kept on.
A In the AUTO LOCK mode, the hydraulic pressure in
the suspension cylinders, accumulators or a valve
may cause the machine height to change, when the
suspension system switches automatically from
"LOCK" to "ON" status.
A The suspension cylinder adjustment control does not
work in the operating conditions below.
(1) The front wheels are overloaded.
(2) The engine runs at low speeds and the oil
temperature is high.
(3) Both the brake pedals are stepped down.
(4) The manual control mode is selected.
A The machine speed in the suspension auto lock mode
has been factory-setting at below 3 km/h. To change
this setting, contact your local KUBOTA Dealer.