Secondary Air Valve Opening

Fig. 5 Secondary air valve alignment:

Fig. 6 Secondary air valve opening:

1. With air valve in closed position, the opening along air valve at its long side must be at its maximum and parallel with air horn gasket surface, Fig. 5.
2. With air valve wide open, the opening of the air valve at the short side and air horn must be as shown in the specifications chart. The corner of air valve is notched for adjustment. Bend the corner with a pair of pliers to give proper opening, Fig. 6.