Air filter with replaceable paper filter element. Brand and type:
- cars with engines «1Y», «RA» and «SB»: Mann C34 109;
- cars with engine «AAZ»: Mann C31 152/1.
Replacement frequency:
- cars with engines «1Y», «RA» and «SB»: every 30,000 km or every year of operation;
- cars with engine «AAZ»: every 60,000 km or every year of operation.
The diesel air system is shown in fig. 3-29, 3-30 and 3-31.
Pic. 3-29. Diesel air path «THAT»:
1 - air filter element;
2 - air filter housing;
3 — air intake pipe;
4 - air duct;
5 — inlet pipeline;
6 - gasket.
Pic. 3-30. Diesel air path «RA» and «SB»:
1 - air filter housing;
2 - filter element;
3 - air filter cover;
4 - air duct for supplying air to the turbocharger;
5 - turbocharger;
6, 7 - air ducts connecting the turbocharger and heat exchanger;
8 - heat exchanger;
9 - air duct from the heat exchanger to the inlet pipeline;
10 - inlet pipeline;
11 — pressure reducing valve;
12 - pipeline for removing oil from the turbocharger;
13 - pipeline for supplying oil to the turbocharger;
14 - pressure sensor;
15 - gasket.
Pic. 3-31. Diesel air path «12» (I) And «AA2» (II):
1 - air filter housing;
2 - filter element;
3 - air filter cover;
4 - air duct;
5 - inlet pipeline;
6 - turbocharger;
7 - gasket;
8 - air flow meter;
9 - absolute pressure sensor;
10 - solenoid valve for limiting boost pressure;
11 - pressure reducing valve.
Fuel filter with replaceable filter element, brand and catalog number: Bosch 0 450 906 174.
High pressure fuel pump (injection pump) distribution type, single-plunger, with a mechanical speed controller, automatic injection advance controller, with a manual starter. On high pressure fuel pumps for turbocharged diesel engines «RA», «SB» and «AAZ» there is a fuel supply corrector for boost pressure of a pneumatic type.
Characteristics of injection pump are shown in tables 3-8 and 3-9.
Brand and type:
- cars with engine «1Y»: Bosch VE 4/8 F 2200 R 337;
- cars with engine «RA»: Bosch VE 4/9 F 2250 R 328;
- cars with engine «SB»: Bosch VE 4/9 F 2250 R 328-2.
Vehicles with engine «AAZ»:
- without air conditioning: Bosch VE 4/9 F 2300 R 432;
- with air conditioning: Bosch VE 4/9 F 2300 R 432-4.
Injectors brand and type:
- engines «RA», «SB»: Bosch DN OSD 274;
- engines «1Y», «AAZ»: Bosch DN OSD 297.
Make and catalog number of injector bodies:
- engines «RA», «SB»: Bosch 0 430 211 048;
- engines «1Y», «AAZ»: Bosch 0 430 211 053.
Injection start pressure:
- engine «1Y»: Nominal: 130-138 kgf/cm2; minimum allowable (when worn): 120 kgf/cm2;
- engines «RA». «SB». «AAZ»: nominal: 155-163 kgf/cm2; minimum allowable (when worn): 140 kgf/cm2.
The injection start pressure is regulated by selecting the thickness of the shims, which are supplied in spare parts with a thickness of 1.00 to 1.95 mm at intervals of every 0.05 mm.
Starter candles. Brand and catalog number:
- engines «1Y». «RA» and «SB»: Bosch 0 250 201 021;
- engine «AAZ». Bosch 0 250 201 032.
Consumed current. A:
- with four serviceable candles: 32;
- with one faulty candle: 24;
- with two faulty candles: 16;
- with three faulty candles: 8;
- with four faulty candles: 0.
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