ef5af8e6

5.3.8. Fuel Pump of High Pressure (FPHP)

Fuel pump of high pressure

1. Segment spline
2. Epiploon
3. TNVD
4. Fuel interruption in supply valve (electromagnetic valve)
5. Injection advancing coupling
6. Carving stopper of the delivery pump

Check of the locking valve of supply of fuel

The electromagnetic locking valve on TNVD opens supply of fuel at inclusion of ignition. It should be checked if the engine is not started or continues to work after switching off of ignition.

PERFORMANCE ORDER

Prevention

During the works with system of injection it is necessary to follow rules of purity.


1. Switch on and off the ignition lock on a steering wheel. At the same time the electromagnetic switch has to click.
2. Otherwise unscrew electric wires.
3. Lay to the valve an auxiliary cable from a positive pole of the battery.
4. If now the valve clicks, check giving of tension according to the electric circuit, if necessary replace.
5. If malfunction is not found, replace the valve.

Removal

PERFORMANCE ORDER
Disconnect a cable and unscrew the valve.

Installation

PERFORMANCE ORDER
1. Install the piston and a spring of the valve in the new valve. Pay attention to the correct arrangement of sealing rings.
2. Screw in the new valve with 20 N.' effort of m.
3. Screw a cable.