Nissan 100NX N14 silhouetteN14

VE-TYPE INJECTION PUMP — Testing of Injection Pump (Cont'd)

EF & EC-691prose procedure

Distinguishes timer configurations with and without cold start device.

Continued from EF & EC-690

Testing of Injection Pump (Cont'd)

  1. 2
    Measure timer piston strokes at specified fuel injection pump rpm.
    Refer to S.D.S. for timer piston stroke of adjustment value.
  2. 3
    If timer piston stroke is not within specified range, remove cover from low-pressure side of timer and adjust piston stroke by adding shim(s).
    Illustration labelled 'Without cold start device' showing the timer with a shim being added on the low-pressure side. Label 'Shim' points to the shim location.
    SEF889A
  3. a
    Make sure at least one shim is used on each side of timer spring.
  4. b
    Refer to S.D.S. for available service parts.

Adjustment of fuel injection under full-load

  1. 1
    Set control lever at "full-load" by pulling spring or using a suitable equipment.
    Illustration of the injection pump showing the full-load adjusting screw. Label 'Full-load adjusting screw' points to the screw on the pump.
    SEF856A
  2. 2
    Furnish voltage of 12 volts to activate fuel cut solenoid valve.
  3. 3
    Measure fuel injection at specified fuel injection pump rpm.
  4. 4
    If fuel injection is not within standard range, adjust by turning full-load adjusting screw.
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