Remove the air
2. Ensure that the cold
start knob is fully in, slacken the cam adjusting screw (4) until it is clear of
3. Slacken the
accelerator cable adjustment (1).
4. Set the butterfly
adjusting screws to threads protruding below their retaining bracket.
5. Slacken the locknuts
(5) on the three adjusting rods (6).
6. Turn the accelerator
cross-shaft until it is held against the backstop. Adjust the vertical link rods
until the butterflies are fully open, i.e., horizontal to the air
flow (Fig. 6). Tighten the locknuts and allow the butterflies to return to the
7. Set the accelerator
cable (1) to take up free play in the cable without moving the butterflies.
8. Adjust the cold start
cable to bring the point of the cam (7) adjacent to the adjusting screw.
9. Turn the air valve
screw (2) fully in and slacken off five complete turns.