Solving four difficulties for the start-up of agricultural vehicles in winter
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1, do a good job in seasonal maintenance. On the basis of maintenance of all vehicles, we will focus on engine maintenance and carry out experiments and tests on various systems and components such as oil pumps, fuel injectors, cylinders, pistons, intake and exhaust valves, etc. The oil advance angle, valve timing, valve clearance, etc. are strictly adjusted to the standard state. Through maintenance, maintain the good performance of the engine.
2, the use of advanced lubrication oil. The cold start resistance in winter mainly comes from viscous engine oil, and the starting force cannot overcome this resistance and starts the engine at the start speed. At present, major oil refineries produce advanced oils, which include many effective ingredients such as friction reducing agents. Compared with common bulk oils, they have good low-temperature fluidity, small starting resistance, and good lubricating effect, which can extend the service life of parts.
3, reply to preheat device. Multi-cylinder engines equipped with agricultural vehicles are generally equipped with a warm-up starting device. The warm-up start principle is: After powering on the glow plug for a few seconds, the temperature rises to become hot, the motor drives the engine, and the fuel injected into the cylinder quickly evaporates and expands, which generates a momentary thrust on the piston and accelerates the rotation of the engine. A "burst" is the effect. Some vehicles were not repaired after being damaged by thermal devices. Some vehicles were removed from the preheating line during inspection and maintenance. They must be resumed in winter and the starter had a very good effect.
4. Regularly maintain the electric starting device to provide sufficient power for the cold start of the engine. Observe the meter at any time to maintain normal charging of the battery; tighten the circuit connector such as the battery and keep the circuit in good contact; regularly maintain the motor and maintain the motor's good performance.