Power supply system with mechanical drive of engines «1Y», «RA», «SB», «AAZ» (VW Passat B4)

Fig. 3-32. Fuel supply system:
1 - fuel tank for sedans;
2 - fuel tank for station wagons;
3 - fuel tank cap parts;
4 — seal;
5 — ventilation valve;
6 — fuel supply line;
7 — fuel drain line;
8 - fuel filter;
9 - check valve;
10 — Fuel injection pump.

Fig. 3-33. Details of the fuel system of the engine "1Y":
1 — toothed pulley of the fuel injection pump drive;
2 — key;
3 — Fuel injection pump;
4 - stop drive parts;
5 - fuel supply control drive parts;
6 — fuel injection advance regulator parts;
7 - electromagnetic stop valve;
8 - high pressure fuel lines;
9 - heat shield washer;
10 — nozzle body;
11 — nozzle valve;
12 — valve needle;
13 — spring;
14 — adjusting washer.

Fig. 3-34. Details of the fuel system of the engines "RA" and "SB":
1 — Fuel injection pump;
2 — fuel injection pump mounting bracket;
3 - shock absorber;
4 — key;
5 — toothed pulley of the fuel injection pump drive;
6 - diesel engine stop mechanism parts;
7 - fuel supply control drive parts;
8 - high pressure pipeline;
9 — injector assembly;
10 — injector drain pipe;
11, 15 — nozzle body;
12 — adjusting washer;
13 — valve spring;
14 — valve needle;
16 - heat-shielding washer.

Fig. 3-35. Details of the fuel system of the "AAZ" engine:
1 — toothed pulley of the fuel injection pump drive;
2 — key;
3 — Fuel injection pump;
4 - diesel engine stop mechanism parts;
5 - fuel supply control drive parts;
6 — injection advance regulator parts;
7 - electromagnetic stop valve;
8 — injection pump shock absorber;
9— high pressure fuel lines;
10 - heat shield washer;
11, 16 — nozzle body;
12 — nozzle;
13 — valve needle;
14 — valve spring;
15 — adjusting washer;
17 — fuel injector drain line;
18 — fuel supply corrector according to boost pressure.