How to clean the nozzle? North dragon internal combustion engine parts co., LTD. Small make up for you to introduce it:

1: first of all, disconnect the fuel pump power supply, some models can unplug the fuel pump relay, start the vehicle to make the fuel oil pipeline burning off gasoline, to prevent the disassembly of the oil pipe when gasoline from the joint, injury to the eyes or cause a fire.

2: before removing the oil pipeline, put on protective goggles, find some oil cloth to cover the joint up and down, and then disassemble the construction, find a suitable special joint and connect it with the fuel rail inlet pipe. The vehicle system with the return pipe is connected with the return pipe or the original vehicle return pipe and the inlet pipe to form a loop.

3: add the special cleaning agent for the nozzle to the suspension bottle, screw on the cap, and connect the oil tube on the suspension bottle to the fuel rail joint.

4: the suspension bottle is connected to the compressed air pipeline, and the cleaning bottle pressure is adjusted to 2-3kgm? , open the pipe line switch on the flask. (the specific pressure is determined according to the vehicle maintenance manual)

5: check whether there is leakage in the connecting parts of the refueling pipe and oil return pipe, and remove the leakage in time.

6: start the engine, speed control between idle speed and 1800 RPM, until the product is used up, at this time the engine will automatically stop.

7: when the engine is off, shut down. Remove tools and fittings, use existing or new gaskets, and reconnect all vehicle piping.

8: turn the ignition switch ON to power the fuel pump. Check all connections of oil pipe for leakage.

9: after cleaning, check whether the tools are complete and properly keep.

10. Note: this product should be cleaned at the normal co-operating temperature.