After reading this article, you will learn how to check the technical condition of nozzles and perform their adjustment.

Injectors diagnostic

Content:

1. Checking the tightness of the injectors.
2. Checking and adjusting the injection pressure of the injectors.
3. Checking the fuel atomization quality.

Equipment for injectors testing:

1. Injector testing machine.
2. Diesel engine nozzle kit.
3. Stopwatch.
4. Glass beakers.
5. Micrometer.
6. Set of mechanic’s tools.
7. Set of adjustment washers.

Injector Testing Machine

• Muffler
• Flywheel
• Nozzle
• Screwdriver
• Fuel tank
• Manometer
• Shut-off valve
• Distributor
• High-pressure plunger pump housing
• Lever

Checking the tightness of the injectors

1. Check the fuel level in the device’s tank.
2. Connect the testing nozzle to the machine’s fitting and tighten the mounting nut.
3. Open the manometer valve.