Choke Breaker
- Fully close valve. Apply vacuum to choke breaker inner diaphragm "A". Measure choke valve clearance. Clearance should be .095" (2.4 mm). See Figure .
- Adjust by bending tang on relief lever, connecting breaker diaphragm link to choke valve shaft.
- Apply vacuum to both choke breaker diaphragms "A" and "B". Measure choke valve clearance. Clearance should be .254" (6.2 mm). Adjust by turning diaphragm adjustment screw.