H476-USER MANUAL-FULL BOOK-ENGLISH

AUXILIARY HEATER

Airtronic/Airtronic M

Fuel supply Fuel feed point with T-piece from the fuel return line from the tank tting to the vehicle engine

Possible pipe lengths

Pressure side Diesel heaters • For suction pipe di = Ø 2 mm, b = max. 6 m • For suction pipe di = Ø 5 mm, b = max. 10 m Petrol heater • b = max. 4 m

Intake side Airtronic a = max. 5 m

Airtronic M a = max. 2 m

Please note! • Insert the Tpiece (3) in the fuel return line upstream of the feed pump. • Items (5), (9) and (12) are included in the „Plus“ installation kit only. • Item (6) is included in the universal installation kit only. • Items (7) and (13) must be ordered separately. The order no. is given in the product information.

1. Fuel return line, vehicle tank 2. To the vehicle‘s engine, mechanical fuel or injection pump 3. Tpiece, 868 or 10610 4. Dosing pump 5. Fuel pipe, 4 x 1 (di = Ø 2 mm) 6. Fuel pipe, 6 x 2 (di = Ø 2 mm) 7. Fuel hose, 5 x 3 (di = Ø 5 mm) 8. Fuel pipe, 4 x 1.25 (di = Ø 1,5 mm) 9. Adapter Ø 6 / 4 10. Fuel hose, 3.5 x 3 (di = Ø 3.5 mm), approx. 50 mm long 11. Fuel hose, 5 x 3 (di = Ø 5 mm), approx. 50 mm long

12. Pipe connectors, da = Ø 4 mm 13. Fuel filter  required for contaminated fuel only. *If necessary, a fuel pipe 4 x 1 (di = Ø 2 mm) can be used for diesel heaters instead of the fuel pipe 4 x 1.25 (di = Ø 1.5 mm), Item (8). The details regarding the pipe lengths remain unchanged. The fuel pipe, 4 x 1 must be order separately. Order No. see spare parts list or product information.

- 252 -