I-DRIVE TECHNICAL MANUAL – OPERATION PG DRIVES TECHNOLOGY
3.2 Status Indicator
Depending on the machine model, the status indicator may be a single bulb (or LED) or a PGDT TruCharge battery and
diagnostics indicator.
The status indicator shows you that the machine is switched on. It also indicates the operating status of the machine. Details are
given in
Section 8.
3.3 Throttle
The throttle controls the speed of the machine. The further you push the throttle, the faster your machine will move. When you
release the throttle, the brake is automatically applied.
Depending on the machine model, the throttle configuration may be one of three types – wig-wag, single-ended or unipolar.
3.3.1 Wig-wag Throttle
In this configuration, the throttle controls both the speed and the direction of the machine. To drive forwards, push the throttle in
one direction; to drive in reverse, push the throttle in the other direction.
3.3.2 Single-ended Throttle
In this configuration, the throttle controls just the speed of the machine. When the throttle is pushed, depending on the position of
the reverse switch (
refer to Section 3.6), the machine will drive in either the forward or reverse direction.
3.3.3 Unipolar Throttle
In this configuration, the throttle controls just the speed of the machine. When the throttle is moved, in either direction, depending
on the position of the reverse switch (
refer to Section 3.6), the machine will drive in either the forward or reverse direction.
3.4 Tiller Switch
A tiller switch is generally fitted on ‘walkie’ type machines to provide a safety interlock. The tiller arm is usually sprung to the vertical
position and is pulled towards the horizontal to remove a drive inhibit.
3.5 Direction Switches
Direction switches are sometimes used in combination with the throttle to effect drive. After switching on the machine, either the
forward or reverse direction switch must be operated in conjunction with the throttle to enable drive.
3.6 Reverse Switch
This switch will be fitted to the machine if the throttle configuration is single-ended or unipolar (
refer to Sections 3.3.2 & 3.3.3). The
switch is used to change between forward and reverse drive.
3.7 Speed Limiting Potentiometer
This control sets the maximum speed of the machine. Turn the knob clockwise to increase the maximum speed setting or anti-
clockwise to decrease the maximum speed setting.
3.8 Belly Button
This device is a safety feature that is activated each time the machine is placed in reverse. If the button is activated, the
machine will stop its reverse drive and immediately begin to move forwards at a programmed speed.
SK76977-07 12
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