Recently, one of the forum's card friends discovered that their vehicles had been throttled and the expansion tanks had turned over. They were very confused and did not know what caused it. The following describes the fault conditions described by the card-friends, and analyzes several reasons for the expansion of the expansion tanks in order to increase the power. We hope to help everyone. â— There are three faults in tip-in and tip-over When such a failure occurs, the main phenomenon is that when the engine runs at idle speed or when the throttle is increased, regardless of the temperature of the water, the expansion tank is sprayed with coolant, and it has a large amount of gas. Due to the excessive pressure, the expansion tank may even be damaged. There are three main points of failure, cylinder pads, cylinder liners, and cylinder heads. If the cylinder pad (wet cylinder liner) rushes, trachoma and crack appear in the cylinder liner and cylinder head, which will cause the pressure of compressed air or gas in the cylinder to be greater than the pressure of coolant in the cooling channel. These gases pass through the cylinder pad and cylinder liner. The trachoma and cracks at the cylinder head enter the engine water channel. When the gas enters the engine water channel, the pressure of the water channel becomes large, which causes the coolant to evaporate at the water inlet of the water tank or the expansion tank. If such a situation arises, it will generally be accompanied by difficulties in starting the engine and it will not even start. After the engine starts up, there will be jitter, a significant drop in power during driving, and even symptoms such as water spray or white smoke in the exhaust pipe. â— Diagnostic method is broken cylinder to judge How to judge whether the expansion tank is turned over due to the damage of the cylinder pad, cylinder liner, and cylinder head, it can be judged by the way of breaking the cylinder, and the high pressure oil pipe (mechanical pump) of each cylinder is disconnected. If it is an EFI diesel engine, Need to use a professional diagnostic instrument for cylinder detection. When the engine is running, when it breaks to a certain cylinder, the situation of turning over the water in the expansion tank is obviously reduced or stopped, which means that the cylinder head gasket of the cylinder has been washed out or the cylinder liner and the cylinder head have large trachoma and cracks. In the truck home forum, it is common to see posts inflating water tanks. The occurrence of trachoma in the cylinder bores a large proportion of failures in the expansion of the expansion tank. After repairing the cylinder barrel, it was found that there was corroded trachoma. The reason for this was that it was due to the use of inferior coolant. Even some cardmates used tap water as engine coolant and the cylinder bore was pitted and trachoma appeared. After paying a high maintenance fee, the card's friend shouted regret. â— Postscript: In daily life, if you find that your vehicle's expansion tank has a turn-over fault, you should go to the repair shop nearby. You can use the broken cylinder method to diagnose and determine which cylinder has a problem and perform targeted maintenance. At the same time, we also appeal to everyone to use genuine coolant and replace them regularly. Avoid using cooler coolants because they are greedy to use cheaper coolants to prevent the corrosive cylinders of inferior coolant from appearing in trachoma.
Cooling capacity: 14kW-100kW
1. Self-contained packaged design: Easy installation with just connectiong condensate drainage and electrical power supply, equipped with connecting plug.
2. Plenumb chamber: 3 meter height wwith better air circulation and strong air flow.
3. Long distane air supply: High external static pressure (max350Pa) with 30 meter air throws.
4. Special unit structure design: The wall can be installed in between of evaporator and condenser with the gap of 100-150mm.
5. Digital controller: LED display, timer display, fan speed display, temperature display, error code display, mode display.
6. Easy maintenance: Air filter is easily dismantled and cleaned.
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