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Adjustment of the start of delivery following test - ra07016028300x(8300)

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A. Using position sensor (RIV method), B. Using digital tester (RIV method) Engines 602.96, 603.96/97 TURBO - in Models 124, 126, 140, 201 

Preceding work:

Testing start of delivery (07-8240).

Operation no. of operation texts and work units or standard texts and flat rates: 07-8300

  1. With position sensor (RIV method) 
    Fig 1: Adjusting Start Of Delivery With Position Sensor
    G05436813Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Crankshaft turn in direction of rotation to 15° ATDC of cylinder 1.
    Fastening bolts (13 and 13a) on injection pump flange and on supporting bracket, slacken, tightening torque 20-25 Nm.
    Indicating instrument (008) and terminal (009) connect.
    Injection pump swivel by turning adjusting screw (8) on start of delivery adjusting device until both lamps "A and B" in indicating instrument (008) light up.
    Direction of rotation of adjusting screw (8) on start of delivery adjusting device 
    To right = start of delivery retarded
    To left = start of delivery advanced
    RI specification 15° ATDC.
    Position sensor (007) remove.
    Screw plug (arrow) screw in.
    Accelerator control linkage check, adjust if necessary (30-1010).
    Leaktightness test perform with engine running.
    Engine oil level check, correct if necessary.

    Adjusting 

    1. Turn crankshaft in direction of rotation to 15° ATDC of cylinder 1.
      Fig 2: Identifying 15° ATDC Of No. 1 Cylinder
      G05436978Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    2. Slacken fastening bolts (arrows) on injection pump flange and on supporting bracket.
      Fig 3: Identifying Fastening Bolts On Injection Pump Flange
      G05436979Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
      Fig 4: Identifying Bolt On Supporting Bracket
      G05436980Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    3. Connect indicating instrument (008) and terminal (009) to battery positive.
    4. Swivel injection pump by turning the adjusting screw (arrow) on the start of delivery adjusting device until both lamps light up.

      Direction of rotation of adjusting screw 

      To right = start of delivery retarded

      To left = start of delivery advanced

      RI specification: 15° 1° ATDC

      Fig 5: Locating Delivery Adjusting Device
      G05436981Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
      NOTE: If the adjustment facility is not adequate, the injection pump must be repositioned.

      Remove, install injection pump (07.1-8410).

    5. Tighten fastening bolts on injection pump flange and on supporting bracket. Tightening torque 20-25 Nm.
    6. Remove position sensor.
    7. Screw in plug. Tightening torque 30-35 Nm.
    8. Check accelerator control linkage, adjust if necessary (30-1010).
    9. Perform leaktightness test with engine running.
    10. Check engine oil level, correct if necessary.
  2. With digital tester (RIV method) 

    Preceding work:

    Testing start of delivery (07-8244)

    Fig 6: Adjusting Start Of Delivery With Digital Tester
    G05436982Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    Fastening bolts (13 and 13a) on injection pump flange and on supporting bracket slacken.
    Engine run at idling speed.
    RI value (indirect start of delivery) set by turning adjusting device (8).
    Direction of rotation of adjusting device (8) or screw 
    To right =start of delivery retarded
    To left =start of delivery advanced
    RI specification 15° 1° ATDC.
    Engine switch off.
    Fastening bolts (13 and 13a) on injection pump flange and on supporting bracket tighten, tightening torque 20-25 Nm.
    Tester (001) disconnect.
    Screw plug (arrow) on governor screw in, tightening torque 30-35 Nm.
    Accelerator control linkage check, adjust if necessary (30-1010).
    Leaktightness test perform with engine running.
    Engine oil level check.

    Adjusting 

    1. Slacken fastening bolts (arrows) on the injection pump flange and also on the supporting bracket.
      Fig 7: Identifying Bolts On Injection Pump Flange
      G05436983Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
      Fig 8: Identifying Bolt On Supporting Bracket
      G05436984Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
    2. Run engine at idling speed.
    3. Set RI value (indirect start of delivery) by turning the adjusting screw on the start of delivery adjusting device.

      Direction of rotation of adjusting screw 

      To right = start of delivery retarded

      To left = start of delivery advanced

      RI specification: 15° 1° ATDC.

      Fig 9: Locating RI Value
      G05436985Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
      NOTE: If the adjustment facility is not adequate, the injection pump can be repositioned. Remove, install injection pump (07.1-8410).
    4. Switch off engine.
    5. Disconnect tester.
    6. Screw in plug on governor, tightening torque 30-35 Nm.
    7. Tighten fastening bolts on injection pump flange and on supporting bracket. Tightening torque 20-25 Nm.
    8. Check accelerator control linkage, adjust if necessary (30-1010).
    9. Perform leaktightness test with engine running.
    10. Check engine oil level, correct if necessary.
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