Adjusting Accelerator Wire

NOTE: Adjust the accelerator wire with the engine warmed up to normal operating temperature and the ignition switch turned to OFF.

Remove the vacuum hose connected to the throttle opener.
Connect a suitable vacuum hose to the vacuum pump.
Apply vacuum [more than -40.00 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.
- If there is no clearance, refer to "Basic Inspection" in appropriate Engine Controls article.
- If there is clearance, go to the following steps.
  
  Fig 1: Connecting Suitable Vacuum Hose To Vacuum Pump And Applying Vacuum
  Courtesy of NISSAN MOTOR CO., U.S.A.
Loosen the lock nut and tighten the accelerator adjusting nut until the throttle drum starts to move.
From that position, turn back the adjusting nut 1.5 to 2 turns, and tighten the lock nut to specification as shown.
Release the vacuum from the throttle opener.
Remove the vacuum pump hose from the throttle opener.
Reinstall the original vacuum hose to the throttle opener.

Fig 2: Loosening Lock Nut And Tightening Accelerator Adjusting Nut Until Throttle Drum Starts To Move
Courtesy of NISSAN MOTOR CO., U.S.A.