Mercedes S-Class W-140

1991-1999 of release

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Control system of fuel injection (diesel engines of the OM603.971 series)

General information

Function charts of the systems of injection of fuel used on models with diesel engines of the OM603.971 series

Function chart of system of injection of fuel of not turbocharged diesel engine


1 — TNVD 3 — the Fuel pump 15 — Perepuskna the valve 30 — Injectors 43 — the Preliminary filter 50 — the Returnable fuel-supply line 54 — the Forcing fuel-supply line of the 1st cylinder 63 — the Fuel tank 73 — the Fuel filter	73a — the Restrictive channel 86 — the Fuel thermostat is open, fuel warm 86a — the Fuel thermostat is closed, fuel cold 87 — the Intaking fuel-supply line - cold fuel 87a — the Returnable fuel-supply line - warm fuel 148 — the Delivery intaking fuel-supply line with a fuel radiator

The scheme of the organization of system of injection of fuel of the diesel engine with low pressure pressurization


1 — TNVD 3 — the Fuel pump 15 — Perepuskna the valve 27 — the Hollow bolt 42 — the Fuel filter 43 — the Preliminary filter 50, 80, 81 — the Returnable fuel-supply line 52 — the Stopper 73 — the Arm of the fuel filter 74 — the Bolt of fastening of the fuel filter 76, 78 — Sealing rings 77 — Consolidation of the fuel filter	82 — the Intaking fuel-supply line 83 — the Forcing fuel-supply line from TNVD 84 — the Collar 86 — the Fuel thermostat 87 — the Intaking fuel-supply line from a fuel radiator 88 — the Returnable fuel-supply line from a fuel radiator 89 — the Soaking-up fuel-supply line 131 — the Clamp 148 — the Intaking fuel-supply line with a fuel radiator

The scheme of the organization of system of injection of fuel of the diesel engine with high-pressure pressurization


30 — the Nozzle 52 — the Stopper 53 — Consolidation 54 — 59 The forcing branch pipes