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5.2.11. Fuel nozzles


Prevention

When checking work of fuel nozzles never hold up hands or any part of a body under the fuel stream leaving a nozzle. Fuel comes out a nozzle under high pressure and can get into a body through skin.


Removal and installation

PERFORMANCE ORDER
1. Remove the top section of a final collector.
2. Remove the camshaft and levers.
3. Disconnect a pipe of return of fuel from a perepuskny pipe.
4. Unscrew a bolt, release a perepuskny pipe (it is specified by an arrow) from the top part of a fuel nozzle and take it from a head of the block of cylinders.
5. Remove sealing rings from a perepuskny pipe and the top part of a fuel nozzle.
6. Using an adapter and a stripper, take a fuel nozzle from the top part of a head of the block of cylinders and remove a sealing ring.
7. Establish a new sealing ring (the drawing at the left) on the lower part of a fuel nozzle and establish a fuel nozzle in a head of the block of cylinders, combining an adjusting pin with a groove of a head of the block of cylinders (are specified by shooters in the drawing on the right).
8. Establish a new sealing ring on the top part of a fuel nozzle.
9. Establish a new sealing ring in a flute of a cross pipe.
10. Establish a cross perepuskny pipe in a head of the block of cylinders and fix it by a new bolt. At first tighten a bolt by hand (the drawing at the left), then, using a wrench, tighten it on a corner 360 ° (the drawing on the right).
11. Connect the return pipe to a perepuskny pipe and establish the top section of a collector.
12. Install the camshaft and levers.
13. Start the engine and check tightness of fuel system.