Today we continue to talk about the maintenance of excavators in winter.
4.Using an open flame to bake the oil pan can cause serious consequences.
Avoid deterioration or even scorching of the engine oil in the oil pan, and reduce or completely lose lubricating performance, thereby aggravating machine wear. In winter, low-freezing point oil should be used, and the temperature of the oil can be increased by heating in a water bath outside the machine when starting.
5.Improper starting method can cause serious damage to the machine.
In winter, some drivers can start the diesel engine quickly, and often use an abnormal starting method without water (start first, then add cooling water). This practice can cause serious damage to the machine, and its use should be prohibited. The correct preheating method is: first cover the heat preservation quilt on the water tank, open the drain valve, and continuously pour 60-70℃ clean and soft water into the water tank. When the water flowing out of the drain valve feels hot, close the drain valve. Fill the water tank with clean and soft water at 90-100°C, and shake the crankshaft so that all moving parts are properly pre-lubricated before starting.
6.Low-temperature load operation can cause serious consequences.
After the diesel engine started to catch fire, some drivers could not wait to immediately put into load work. Diesel engines that catch fire soon, due to the low body temperature and high oil viscosity, the oil is not easy to fill the friction surface of the moving pair, which will cause serious machine wear. In addition, plunger springs, valve springs and injector springs are also prone to breakage due to "cold brittleness". Therefore, after the diesel engine starts to catch fire in winter, it should be idling for a few minutes at low and medium speed, and then put into load operation when the cooling water temperature reaches 60℃.
7.Not paying attention to the body's heat preservation will reduce the working life and damage the engine.
The low temperature in winter may cause excessive cooling of the diesel engine during operation. Therefore, heat preservation is the key to good use of diesel engines in winter. In the northern regions, diesel engines used in winter should be equipped with cold-proof equipment such as insulation sleeves and insulation curtains. In addition, the thermostat plays an important role in the temperature rise of the diesel engine when it is working. Therefore, check whether the thermostat is working properly before entering the winter, and replace the invalid thermostat in time.
In winter, the car must be fully warmed up before starting, otherwise it will cause damage to the engine. The best way is to wait for the engine water temperature to rise, do slight back and forth movements, let Xiaolu do a warm-up exercise, and wait for the hydraulic oil temperature and water temperature to reach the normal position After that, you can show your skills.
In the cold winter, only by protecting our beloved equipment can we reduce downtime, reduce failure rates, and ensure our profits.
We can't just pay attention to the excavator itself, we must also pay attention to our excavator arms and excavator attachments, because the excavator work cannot lack any of them.
Contact Person: Mr. Tang
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