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Adjusting Accelerator Wire

CAUTION:
  • Make sure the ASCD wire is not pulling the throttle drum.
  • Perform the ASCD wire adjustment as necessary. Refer to ASCD WIRE ADJUSTMENT .
  1. Remove the vacuum hose connected to the throttle opener.
  2. Connect suitable vacuum hose to vacuum pump.
  3. Apply vacuum [more than -40.0 kPa (-300 mmHg, -11.81 inHg)] until the throttle drum becomes free from the rod of the throttle opener.

    Make sure that there is clearance between the throttle drum and rod. 

  4. Loosen lock nut.
  5. Tighten accelerator adjusting nut until throttle drum starts to move.
  6. From that position, turn back adjusting nut 3.9 to 4.5 mm (0.15 -0.18 in), and secure lock nut.
  7. Release vacuum from the throttle opener.
  8. Remove vacuum pump and vacuum hose from the throttle opener.
  9. Reinstall the original vacuum hose to the throttle opener securely.
    Fig 1: Identifying Accelerator Throttle Drum, Adjusting & Lock Nut & Wire
    G02022693Courtesy of NISSAN MOTOR CO., U.S.A.