Carburetor fuel system
Mechanical fuel pump:
- Minimum static pressure 0.27 bar
- Maximum static pressure 0.32 bar
Carburetor
Carburetor equipment 32 DARA 40 — First chamber/Second chamber
Air jet diameter (TO) — 26 mm/ 26 mm
Main fuel jet (Gg) — 132/ 140
Correction air jet (A) — 155/ 140
Fuel jet idle system (d) — 55/ 45
Mixing chamber - F58/ F6
Accelerator pump jet - 60
Float chamber valve needle diameter - 2.25 mm
Fuel level in the float chamber - 7.0 mm
Float travel - 8.0 mm
Idle speed - 800±25 rpm
CO content — 1.5±0.5%
Throttle clearance - 1.30 mm
32 DARA 53 — First chamber/ Second chamber
Air jet diameter (TO) — 25 mm/ 26 mm
Main fuel jet (Gg) — 130/ 140
Fuel jet idle system (d) — 47/ 42
Mixing chamber - F58/ F56
Accelerator pump jet - 60
Float chamber valve needle diameter - 2.25 mm
Fuel level in the float chamber - 7.0 mm
Float travel - 8.0 mm
Idle speed - 800±25 rpm
CO content — 1.5±0.5%
Throttle clearance - 0.90 mm
28/36 DARA 0, since 1991 - First chamber/ Second chamber
Air jet diameter (TO) — 22 mm/ 29 mm
Main fuel jet (Gg) — 112/ 155
Correction air jet (A) — 200/ 100
Fuel jet idle system (d) — 42/ 42
Mixing chamber - F99
Accelerator pump jet - 50
Float chamber valve needle diameter - 2.25 mm
Fuel level in the float chamber - 7.0 mm
Float travel - 8.0 mm
Idling speed - 700±50 rpm
CO content — 1.5±0.5%
Throttle clearance - 0.80 mm
Fuel injection system
System - Renix / Bendix - distributed injection
Fuel pump - On the rear of the right side member, in front of or above the fuel tank, or next to the fuel filter
Supply voltage - 12 Volts
Pressure - 3.0 bar
The volume of pumped fuel - 130 l / h (minimum)
Fuel filter location
Model L16 - Near the fuel pump
Model J636/637 - Left longitudinal beam, near the front seat
Model J638 (V6) — Near the fuel pump
Fuel filter change - Every 50,000 km
Throttle diameter - 50 mm (4 cylinder engine), 55 mm (engine\/6)
Pressure Regulator - Maintained Pressure:
- 4-cylinder engine - 2.5±0.2 bar (not regulated)
- EngineH/b — 3.0±0.2 bar (not regulated)
Electromagnetic nozzles:
- Supply voltage - 12 Volts
- Resistance - 2.5 Ohm
Idling and CO content:
- Engine 1995 cm1 2 3 (L 16) — 800±25 rpm (coolant 80-100°C)
- Engine 1995 cm3 (J636) - 775±50 rpm (coolant 80-100°C)
- Engine 2165 cm3 (L 17) - 800 + 25 rpm (coolant 80-100°C)
- Engine 2165 cm3 (J637) — 775 - 825 rpm (coolant 80-100°C)
- V6 engine (J638) — 800±25 rpm (coolant 80-100°C)
- Adjustable - L16 and L17 models only
CO content:
- Engine L16
- Engine L17 - Max. 0.5%
- Other (without adjustment) — Max. 0.5%
- Idle speed control valve - Bosch, 12V
- Catalyst (if installed) - Connected to the exhaust pipe
- Air filter change interval - Every 20,000 km
Injection system (diesel)
Fuel Pump - Single piston pump with mechanical governor, automatic injection control, automatic cold start and fast idle system, boost pressure regulator.
Pump installation (engine at TDC) — 0.70±0.02 mm
Fuel pump name:
- Model L15/S115 - VE 4/9 F 2200 R 153
- Model J635 - VE 4/9 2200 R 345 (345-1 air conditioned)
- Bosch injectors - KBE 48 S7
- Bosch injector tips - DN OSD 264
- Injection pressure - 130 bar
Fuel filter:
- Bosch filter - Fast filter with condensate outlet
- Roto-Diesel filter - With fuel priming pump. Since 1987 available with diesel fuel heater
Fuel preheating:
- Models J115/S115 - Coolant
- Model J635 - Electric heating.
- Turbocharger - Garret ТЗ
- Boost - 0.6±0.025 bar at 2500±250 rpm
- Idle adjustment (all models) — 750±50 rpm
Maximum RPM:
- J115/S115 engine - 4700 - 4800 rpm
- J635 engine - 5000 rpm