Primary & Secondary Throttle Valve Interlock Opening, Adjust

Fig. 14 Interlock opening adjustment.:

When primary throttle valve is opened 50° the adjust plate integrated with throttle valve is in contact with return plate at ``A,'' Fig. 14.
When throttle valve is opened further, locking arm is detached from secondary throttle arm, permitting secondary system to start operation.
Linkage between primary and secondary throttles will function properly if distance between throttle valve and inner wall of throttle chamber is as listed in the specifications chart.
Adjustment is made by bending connecting link.