Working Operation of the machine 5
TW9 55
Fingertip control (electro-proportional control)
Third control circuit
• Proportional actuation of the control circuit
• In continuous operation, the amount can be
controlled.
• Sensitive control of hydraulically-driven work
attachments, such as multi-purpose bucket,
sweeper, etc.
Fingertip control and float position are
deactivated as soon as the ignition is
switched off.
No oil flow if the potentiometer (23a/56)
is turned as far to the left as it will go.
Impulse mode
• Press the "Continuous operation - additional
control circuit" (23a/47) button once.
• Push the roller (23a/7) on the joystick until the
required amount of hydraulic oil is achieved.
• For sensitive movements, the flow rate can be
reduced by using the potentiometer (23a/56).
Continuous operation
• Turn the potentiometer (23a/56) as far as it will
go to the left.
• Press the "Continuous operation - additional
control circuit" (23a/47) button once.
• Select the direction of rotation using the roller
(23a/7) on the joystick.
• With the roller pushed, press the stop button
(23a/5) on the rear until the control light (23a/6)
flashes on the front of the handle.
• Release the roller (23a/7) and stop button
(23a/5).
• Set the flow rate/rotational speed using the
potentiometer (23a/56).
• To deactivate continuous operation, press the
button (23a/47) or the roller on the joystick
(23a/7).
The oil flow also depends on the engine
speed.
If an attachment is used repeatedly,
continuous operation can also be
activated via preset potentiometer
(23a/56).
The continuous and impulse mode
functions are deactivated as soon as
the ignition is switched off.
Fig. 23a Operation
Potentiometer (23a/56)
1 = lower oil flow = greater precision
2 = increased oil flow = higher speed
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General