EGR Wide Open Throttle Valve: Adjustments
NOTE: The EGR part throttle switch, switch points are set by the manufacturer on a test stand and must not be altered.Adjust New Switches As Follows:
- Operate injection pump lever and clamp 12 mm hex drive of glow plug between stop (arrow -1-) and lower edge of operating lever (arrow -2-).
- Press operating lever securely against glow plug (arrow -3-). In this position, adjust EGR part throttle switch by sliding unit in elongated holes until switch point (switch clicks) is just behind highest point on curved plate (arrow -4-).
NOTE: The upper EGR part throttle switch cover is shown removed to make the illustrated switch point more clear.