Remove the four Phillips-head screws 2 and the Allen-head screw 3 securing the carburetor cover.
Remove the 1st chamber throttle position potentiometer and the air damper servo together with the mounting flange.
Remove the carburetor cover, simultaneously disconnecting spring 4.
Install the carburetor cover in the reverse order. Install the choke servo so as not to deform the rod connecting it to the choke valve.

