404G2 SERIES TRACTOR OPERATION MANUAL
54
The wrench should be used as a tool when load and unload ballasts.
When loading and unloading ballasts, it is necessary to pay attention to safety, ballasts easy
to hit your feet. It is suggested that two people cooperate or find professional maintenance
personnel when you need loading or unloading ballasts.
4.4 The use of electrical systems
The electrical system of each serie of tractor is dc power supply, the calibration voltage is
12V, the negative ground is grounded, the single line and double color system.
All kinds of electrical equipment adopt different wire diameters and different colored wires,
which are connected according to certain rules and requirements, thus forming a complete
machine circuit. See appendix 3 for the electrical schematic diagram.
4.4.1Generatorandvoltageregulator
The generator is the main power supply of the tractor, which is used to supply power to the
electrical equipment and charge to the
battery, and the voltage regulator is used
to limit the generator to make the output
voltage in the regulation value.
Attention should be paid to:
(1) It is not allowed to check whether
Fig.4-19
1.Cathode 2.Anode 3.B+
Fig.4-21 Ballast
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