8. Electric system
8.1 General description
The electric system for this forklift truck is single wire system with minus earth. It
mainly consists of the following systems:
(1) Charge system
This system contains generator, battery, charging indictor, etc. It supplies current for
all the electric appliances.
Voltage: 12V
(2) Starting system
This system mainly consists of automatic pre-heating unit (only diesel engine), key
switch, starting protection circuit, starting motor, etc. The function of this system is starting
the engine.
(3) Instrument
The numeric combination meter (Fig8.1) for internal combustion forklift truck adopts
advanced electron technology, the input signal can be dealed with high-precision digital
processing. The meter consists of a pointing meter drived by two imported step motors
and an hour meter with a LCD screen. The step motor meter has high reliability, accuracy
and visibility, can display important parameters of vehicle. The LCD can display the
working hours and working state of vehicle clearly. This kind of meter resolves the
disadvantages of traditional meter as follows: inferior precision, low stability, parameter
hard to modify and extend, more heat-productivity, more electricity-wasting, easier to be
damaged and inferior exploitability, etc.
(4) Lighting and signal device
They include all kinds of lightings, signal lamps, horns and buzzers, etc.
Headlight：55W
Front combination lamp(turning/signal)：21W/5W
Rear combination lamp (turning/brake/signal/backing):
21W (yellow)/21W (red)/5W (red)/10W (white)
Warning lamp (optional)：21W
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