190E 2.3 (201.024) L4-2.3L (102.961) (1984)
plate is moved rapidly upward as the slow-moving control plunger lifts away from the control lever (1). During a slow upward movement, the
control plunger (2) must follow, maintaining a positive contact.
4 Check control plunger in fuel distributor for leaks.
Briefly fully depress air flow sensor plate and hold in this position; a slight leak quantity is permissible (illuminate with endoscope lamp, if
necessary).
Connecting pressure measuring device.
1 Remove screw plug (arrow) on the lower chamber of the fuel distributor.
2 Connect hose line from connection "A" on lower chamber.
Use double fitting M8)( 1/M12 x 1.5, special tool 102 589 06 63 00 for this step.
3 Unscrew fuel line for start valve at fuel distributor.
4 Connect hose line from connection "B" at fuel distributor.
5 Position of valve screws:
a) System pressure