Removal and installation of anti-backfire valve

Federal and California version model year 1977/78/79

1    Pull blue/purple vacuum line from anti-backfire valve.

2    Set hose clamps (arrows) back for approx. 2 cm.

3    Pull-of lower contour hose leading to air injection line for cylinder head.

4    Loosen both fastening screws (1) and unscrew.

5    Push anti-backfire valve in upward direction and remove from connecting hose of air injection line in rearward direction.

6 For installation proceed vice versa.

4I*. 2 -300/1 USA 1977/78/79