How to rebuild your Lucas Mk1 and Mk2
fuel / petrol injection system
Complete step by step instructions can be
found in the Manuals library
Lucas Mk2 manual
Triumph factory production injection metering unit and the vacuum metering control.
1. Depression chamber cover and fixing screws (2 off). 19. Datum link arm circlips.
2. Centre (minimum fuel) screw and locking nut. 20. Roller and link arm circlips.
3. Intermediate calibration screw and locking ring. 21. Body assembly.
4. Outer calibration screw and locking ring. 22. Overfuel lever pivot.
5. Depression chamber fixing screws and washers (4 off) and unit part number plate. 23. Overfuel lever return spring.
6. Depression chamber body. 24. Washer
7. Overfuel lever bracket stop. 25. Overfuel lever.
8. Outer calibration spring. 26. Circlip.
9. Calibration spring carrier. 27. Overfuel lever assembly (with adjustment cam follower) screw
10. Inner calibration spring. 28. 1/4 UNF nut.
11. 1/4 UNF nut. 29. Spring washer.
12. Thrust plate. 30. Overfuel lever.
13. Diaphragm support. 31. Cam follower adjustment screw.
14. Diaphragm. 32. Spring washer.
15. Diaphragm support plate. 33. No. 6 UNC nut.
16. Spherical bearing and datum link arms pivot. 34. Spacer.
17. Datum link arms. 35. Datum track pivot arm assembly.
18. Datum rollers - 2 outer I inner. 36. Datum track.