Examination
1. Unscrew plug 6 on the fuel injection pump adjusting bolt (see figure 4.75, 4.76).
Figure 4.75. Checking the start of injection without an infrared remote control adapter:
1. Digital tester,
2. Infrared sensor,
3. TDC sensor,
4. TDC sensor rotor,
5. Fuel injection pump,
6. Cork,
7. Retainer,
G2. Battery.
Figure 4.76. Checking the start of injection with an infrared remote control adapter:
1. Digital tester,
2. Pulse regulator sensor,
3. TDC sensor,
4. TDC sensor rotor,
5. Fuel injection pump,
6. Cork,
7. Retainer,
8. Infrared adapter,
G2. Battery.
2. Screw the RIV 2 sensor into the adjusting bolt.
3. Screw the TDC sensor 3 into the bracket.
4. Connect the TDC sensor to tester 1 according to the connection diagram.
5. Start the engine and set it to idle speed.
6. Read the fuel injection start value on tester 1. If the obtained value does not correspond to the required one, adjust the injection start.
7. Turn off the engine.
8. Disconnect the tester and sensor.
9. Tighten plug 3.
10. Check the engine oil level and adjust it if necessary. Replace lock 7.
- Fuel injection start: 15±1° after TDC.
Figure 4.77. Adjusting the start of fuel injection:
1, 4. Bolt,
2. Adjusting bolt,
3. Fuel supply start adjustment device,
5. Support bracket,
6. Infrared sensor.
Material taken from a web resource: mercedesman.ru