TILLOTSON HU Series, Руководство по обслуживанию

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INTRODUCTION
To keep apace of new market demands Tillotson has designed and developed a new miniature all-
position diaphragm carburetor, the HU series. This versatile unit is lightweight and compact, only a 1-1/8
“ cube, but it still comprises a self-contained fuel pump and filtering screen
HU SCHEMATIC
1. Filtering Screen
2. Venturi
3. Fuel Chamber
4. Pulse Chamber
5. Fuel Pump Diaphragm
5A. Pump Diaphragm Inlet Valve
5B. Pump Diaphragm Outlet Valve
6. Fuel Pump Body
7. Fuel Pump Gasket
8. Fuel Inlet
9. Impulse Channel
10. Throttle Shutter
11A. Primary Idle Discharge Port
11B. Secondary Idle Discharge Port
12. Body
13. Idle Fuel Adjustment
14. Metering Chamber
15. Idle Fuel Adjustment Orifice
16. Diaphragm Cover
17. Metering Diaphragm
18. Atmospheric Chamber
19. Atmospheric Vent
20. Main Fuel Adjustment Orifice
21. Inlet Tension Spring
22. Fulcrum Pin
23. Diaphragm Gasket
24. Inlet Control Lever
25. Main Fuel Adjustment
26. Inlet Needle
27. Main Nozzle Discharge Port
28. Fuel Inlet Supply Channel