Triumph TR6 PI Operation Manual page 189

FUEL SYSTEM - TC
CARBURETTER - EACH
- Overhaul and adjust
Service tool S353
19.15.17
1. Remove carburetters 19.15.11.
2. Remove damper.
3. Remove bottom plug. (lever-out).
4. Drain carburetter of oil and fuel.
5. Remove '0' ring from plug.
6. Remove six screws securing float-chamber to body.
7. Remove float-chamber.
8. Remove float assembly by gently prising spindle from
clip each end.
9. Remove needle valve.
10. Remove four screws securing top cover to body.
i 1. Remove top cover.
12. Remove spring.
13. Remove air valve assembly.
14. Remove four screws securing diaphragm and retaining
ring to air valve assembly.
15. Remove diaphragm and retaining ring.
16. Slacken grubscrew in side of air valve.
17. Insert tool S353 in stem of air valve, tum
anticlockwise approximately two turns, withdraw
needle and housing by pulling firmly and straight
with the fingers.
18. Remove two screws securing starter box to body.
19. Remove starter box.
20. Remove two screws securing the temperature
compensator to body.
21. Remove the temperature compensator and two
rubber washers of different diameters.
22. Remove three (slotted) screws securing the by-pass
valve to body.
23. Remove the by-pass valve and gasket.
24. Remove two screws securing butterfly to spindle.
25. Turn spindle, remove butterfly.
26. Release spindle return spring.
27. Withdraw spindle and spring.
28. Remove spindle seals from body by hooking out with
small screwdriver.
29. Wash all components in clean fuel, allow to drain dry
or use compressed air. Place all components on a
clean surface. Discard all seals and gaskets.
30. Examine the condition of all components for wear,
paying special attention to needle and seat, air valve
and diaphragm which should be renewed unless in
exceptionally good condition.
31. Use clean compressed air to blow through all ports,
needle valve and starter box.
Continued
19.15 .17C Sheet 1
Triumph TR6 Manual. Part No. 545277 Issue I