Nissan 100NX N14 silhouetteN14

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

EF & EC-690prose procedure

Speed timer tool side selection depends on presence of cold start device.

Continued from EF & EC-689

Testing of Injection Pump (Cont'd)

  1. b
    When measured pressure is higher than specifications.
  2. 1
    Remove regulating valve from fuel injection pump, and disassemble regulating valve using Tool.
    Exploded illustration of the regulating valve components disassembled using Tool KV11229462: Spring, Piston, and Spring ring, shown alongside the tool body.
    SEF572
  3. 2
    Drive plug out until it is flush with end face of regulating valve.
    Cross-section illustration of the regulating valve showing the plug being driven out with an arrow indicating the direction. Label 'Plug' points to the plug at the left end of the valve.
    SEF573
  4. 3
    Install spring, piston and spring ring, in that order, to regulating valve. Make sure spring ring is flush with end face of regulating valve body when it is pushed in.
    Illustration of the regulating valve assembly with Tool KV11229522. Labels point to 'Spring ring' and 'Regulating valve'.
    SEF637
  5. 4
    Attach regulating valve to fuel injection pump.
  6. 5
    Adjust feed pump pressure to specifications.

Adjustment of speed timer

  1. 1
    Remove cover of timer, and attach Tool to that side.
    Without cold start device: High pressure side (Side without spring)
    With cold start device: Low pressure side (Spring side)
    Illustration of the speed timer with Tool KV11282815/KV11282819 attached to one side of the injection pump timer cover.
    SEF854A
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