The starter starts to run, and as long as you listen to this sound, you will know that it is quite difficult.
After buzzing for more than 30 seconds, the driver finally gave up. After stopping for more than ten seconds, he then started the second time. After buzzing for more than 20 seconds, he stopped again, waited for more than ten seconds, and the third time
Started time.
Everyone was staring at the other side nervously. Everyone was an expert, of course they knew how much the test of this operation on the starting system.
The motor used to start the engine is specially made. The basic principle is still the principle of the motor. The electric conductor is subjected to ampere force in the magnetic field and then moves. However, for ordinary motors, the coils inside are many circles, and the coils for the start motor are only
One circle.
That's right, the coil of the rotor is only one circle, a thick stick made of brass, because it has a strong current flowing through it.
In terms of specific data, the starting current of an ordinary gasoline vehicle will reach dozens of amps or even hundreds of amps in a short period of time. The starting motor of this heavy truck is only two or three hundred amps, which is almost the case when welded with the welding machine.
Like current, powerful current will generate huge heat. After thirty seconds of operation, the starting motor will become hot. If it continues to operate, it will burn.
In winter, it is common to force the starter motor to drive the engine to rotate for a minute or two, and then cause the motor to burn. In addition to the motor that cannot be held back, the battery cannot be held back. Long-term rapid discharge will heat up the electrodes inside the battery.
, and even burned in the end.
Therefore, this kind of startup poses too great a threat to the startup system. If it cannot start three consecutive times, you can consider giving up.
Fortunately, when the third start, the engine finally roared, and streams of black smoke came out from the exhaust pipe. The engine swayed regularly and the car had been started.
At this moment, everyone breathed a sigh of relief. Even if it was not their own car, they were a little worried. After all, they had to withstand the same test. What would it be if they forced to start the engine without preheating?
Everyone knows the scene. Fortunately, with a good start, they can try it out.
The driver also breathed a sigh of relief. He slammed the accelerator twice under his feet, then switched gears and started.
Buzz, buzz, the engine roared twice, and the car started to move, but before walking out for more than ten meters, the engine turned off after a few groans.
Everyone opened their eyes wide and looked at the unlucky vehicle. At the same time, they also knew what was going on.
In this cold weather, the engine oil will also become thicker. After just starting, the engine oil pump cannot work normally. The viscous engine oil can only be pumped up little by little. At this time, the engine operation is very
It's hard to maintain your own operation, even if you are a little more willing but less capable. Now, you are starting to move again and drive the entire car forward. If the engine's power output is insufficient, you will naturally be turned off.
Of course, there are other reasons. Almost all engines of this era are electronically controlled, and this Cummins engine is no exception. Under electronic control, the speed of the engine cannot be too high when the engine is just started, even if it is
If you step on the accelerator to the bottom, the engine will not rotate to the highest speed. It must limit this power output to avoid early wear and tear of the engine.
Therefore, the engine cannot guarantee sufficient power output, and it is inevitable to shut down. What's more, the transmission system has not been preheated yet. Whether it is the transmission or the differential, the viscosity of the gear oil inside will cause more
More resistance.
It is not scary to turn off the engine, just restart it, but when the driver turns the starting key again, the sound of the starter becomes even weaker.
Suddenly, a stream of smoke came out of the engine compartment. When everyone saw this purpose, they couldn't help but shake their heads, and the starter motor burned down, and the car could not continue to participate in the bidding.
The driver jumped out of the car helplessly and looked at the scene inside the engine compartment. At this time, the driver could only squat there helplessly, smelling a burning smell.
The car from Sanjiang Factory has been eliminated!
"Don't learn from our first-machine factory." Wang Erzhu said quickly: "Our cars are specially made, so we can do such a quick action. You should warm up the car. It takes a little longer, and that's worse than the car.
It's better to drop."
Wang Erzhu didn't want others to poke the back of the ridge. It wasn't that he was digging a hole. It was obvious that they were not strong enough and they had to hold on. However, this sentence did not work. Everyone's face was very good.
heavy.
This time, the first-machine factory is perfect, and other cars are really a foil!
The Sanjiang Factory's car gave up bidding and continued to bid. The other cars then started bidding. They learned the lessons of Sanjiang Factory and must not be too hasty. It is necessary to preheat and preheat it. It is not that they are not good enough, but that the Yima Factory
The car is so perverted.
In this way, they started slowly and slowly, with the first goal of running the entire journey.
Even so, there are some people who are not good at it because of the lack of preheating methods. Some drivers of a car even prepared the brazier in advance.
"Actually, there are many ways to warm up." Wang Erzhu also began to give advice. Anyway, he was hostile to everyone. In terms of technology, what he should say is: "Our car also has a special fuel heater.
, Under extremely cold conditions, not only can the engine be preheated in advance, but also the cab can be preheated, so that the people in the cab can feel warm."
A special oil-fired heater is actually a small boiler that heats up by burning oil and outputs warm air. In cold areas, this thing is definitely a treasure.
Of course, this car from Yimai Factory has also been equipped with this kind of equipment, but it was not displayed just now. In fact, even many civilian vehicles will be installed with this kind of thing when they run to the north, and park and wait.
When it was time to drive this kind of fuel heater, it was still very beautiful. Some drivers were reluctant to develop the motor and spent a night in the car, and even some were frozen to death.
Wang Erzhu introduced it to everyone, and everyone was rolling their eyes. What's this called? It doesn't hurt when you stand and speak.
So Wang Erzhu had to shut up, I won’t say anything, and then watch other vehicles bidding.