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Shantui bulldozer electric system

January 22, 2024
Shantui bulldozer electric system
Functions of the combination meter 
The combination meter mainly includes engine oil pressure 
gauge, the water temperature gauge, the oil temperature 
gauge, the voltmeter, and the hour meter.
The engine oil pressure gauge 
The range of the engine oil pressure gauge is 0Bar-10Bar. 
When the engine runs at a low speed, the oil pressure should 
be bigger than 1Bar, and when the engine runs normally, the 
oil pressure should be between 2.5Bar and 5.5Bar. During cold 
start, the pressure is sometimes higher, so you should warmup the engine first to bring the readings of the meters within 
the normal operating range before starting operation.
The voltmeter 
The range of the voltmeter is 16-36V. Before the normal operation, the reading of the voltmeter is over 24V, indicating 
that the battery’s voltage is normal; if the reading is below 24V, 
it means that the battery’s voltage is too low and may make 
it difficult to start the vehicle. If you cannot start the engine, 
charge the battery.
When the machine is running normally, the engine charges the 
battery, and the voltmeter’s reading is around 28V. If the voltage is too low or too high, find out the reason and eliminate 
the problem before operation.
The water temperature gauge 
The range of the water temperature gauge is 40-120°C, indicating the engine’s water temperature. When the machine 
runs normally, the reading of the water temperature gauge is 
40-100°C. If the temperature is too high and above 100°C, reduce the engine speed, to bring the reading back to the normal 
range; stop the vehicle to check the water level if necessary
The oil temperature gauge 
This indicates the oil temperature of the hydraulic torque converter, and the normal operating range is 60°C-120°C. During 
operation, if the temperature is too high and above 120°C, reduce the load, to bring the reading back to the normal range.
The hour meter 
This meter records the operation time of the engine, to be 
used as the basis for reg
Check the instruments from time to time during operation, 
to ensure that the operation is normal.
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