Operation & Maintenance Manual──LG946L Wheel Loader
105
braking at this time.
When the pressure of the system is lower than 0.4MPa, the brake solenoid valve is off
automatically to make the air in the parking brake chamber goes into the atmosphere
through manual control brake valve , realizing the emergency brake, which can ensure
the safety of vehicles and personnel.
4 ELECTRIC SYSTEM
The electric system is composed of a storage battery, starting motor, charge generator, appliance,
switch, lamps, air conditioning circuit and other electric instruments.
The system of this machine employs D.C. 24V voltage, negative electrode and single wire lines.
The relation of each electric instrument and their working theories refer to the diagram sketch of
the electric system as is shown in figure 5-4.
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