Diesel engine BOMAG - Автозапчасти и автоХитрости

Автозапчасти и автоХитрости
Автозапчасти и автоХитрости
Автозапчасти и автоХитрости
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Deutz diesel engines BOMAG 
type TCD 2013 or a 6-cylinder engine TCD 2012

Series 4 single drum rollers are powered by 4 or 6 cylinder Deutz diesel engines type TCD 2013 or a 6-cylinder engine TCD 2012.
The engines are water cooled in-line engines with EMR3 electronics.
The engines are mainly designed in two-valve technology with turbo charging and intercooler. They are highly compact and come with a Deutz-Common-Rail injection system, called DCR in short.
All engines are designed with exhaust gas recirculation and thus reach emission values complying with EPA/ COM/ Tier/ stage lll
The engines are characterized by the following positive features:
  • compact design
  • low noise level
  • almost vibration free operation
  • low fuel consumption
  • low exhaust emission EPA/COM IIl
  • high power density
  • excellent access to all service locations.
  • high reliability
  • low running costs,
  • long lifetime

Engine description TCD 2013, 4 and 6 cylinder

1 Combustion air inlet (possibility to install a heating flange, optionally)
2 Connection cabin heater ort compensation line
3 Fan
4 Generator
5 Belt pulley on crankshaft
6 V-belt
7 Fuel lift pump drive
8 Fuel filter
9 Replaceable lubrication oil filter
10 Lubrication oil cooler
11 Possible installation of hydraulic pump or compressor (optional)
12 Lubrication oil return line crankcase ventilation
13 Central plug (for engine control)
14 Fuel control unit
15 High pressure pump
16 Crankcase ventilation valve
17 Injector
18 Lubrication oil filling neck

1 Lubrication oil filling neck (optional)
2 Transmission connection (SAE)
3 Engine mounts
4 Lubrication oil drain plug
5 Lubrication oil sump
6 Starter motor
7 Lubrication oil return line from exhaust gas turbo charger
8 Exhaust turbo charger
9 Coolant inlet
10 Charge air connection to intercooler
11 Coolant outlet
12 Exhaust manifold
13 Charge air line
14 Transport device

1 Combustion air inlet
2 Lubrication oil filling neck
3 Transport device
4 Fan hub
5 Generator
6 Replaceable lubrication oil filter
7 Fuel filter
8 Lubrication oil sump
9 Oil dipstick
10 Lubrication oil drain plug
11 Oil return line crankcase ventilation
12 Engine mounts
13 Transmission connection (SAE)
14 Central plug (for engine control)
15 High pressure pump
16 Rail
17 Crankcase ventilation valve
18 Injector

1 Exhaust turbo charger
2 Exhaust manifold
3 Starter motor
4 Lubrication oil flow to exhaust turbo charger
5 Coolant drain plug
6 Coolant inlet
7 Ribbed V-belt
8 Fan hub
9 Idler pulley
10 Connection cabin heater ort compensation line
11 Ventilation line to compensation tank
12 Coolant line from engine to radiator

Fuel system TCD 2012 / 2013

1 Fuel tank A= minimum distance 500 mm
2 Fuel pre-filter with pre-pressure pumping possibility to fill the low pressure section (provided by customer)
3 Line to fuel lift pump
4 Fuel lift pump
5 Fuel filter
6 Fuel supply line to fuel control unit
7 Rail
8 High pressure pump
9 Fuel supply line to injector
10 Injector
11 FCU (Fuel Control Unit)
12 Fuel return flow on cylinder head
13 Fuel return line to fuel tank
14 Fuel lines from fuel control unit to high pressure pumps and rail
15 Fuel lift pump 2013

Deutz Common Rail (DCR) injection system for TCD 2012 / 2013
The diesel engines type TCD 2012 and 2013 are equipped with a "Deutz Common Rail" injection system, DCR in short.
The English term "Common Rail" indicates that the system is based on a common rail. It describes the use of a common high pressure fuel line with corresponding branches to supply all cylinders with fuel.
The "Common Rail" injection is an injection system for combustion engines, in which a high pressure pump pressurizes the fuel to a high pressure level. The pressurized fuel fills a piping system, which is permanently under pressure while the engine is running.
The general idea is the total isolation of the pressure generation from the actual injection process. An injection solely controlled by mapping is only possible under this condition. Injection timing and injection quantity are controlled by the engine electronics. The electric signals control an electrically operated valve per cylinder, which is integrated in the injection nozzle. The short distances between valve and injection nozzle result in short pressure rise times, which has a positive effect on the combustion process and its control. Various types of injection van be realized, e.g. pre-injection, main injection and post-injection. These are freely controllable, in dependence on the control unit.
The electric control is accomplished by the electronic control unit (EDC16) with EMR3, in dependence on the operating parameters. The system is capable of providing a wide range of limp-home functions, should any of the sensors fail. This ensures a reliable and safe completion of travel and work.

1 Fuel filter high pressure
2 Fuel low pressure sensor (5-7bar) B145
3 High pressure pumps
4 Fuel lift pump
5 Rail (high pressure pipe up to 1600 bar)
6 PRV (max. rail pressure limitation 1600bar)
7 Rail pressure sensor (B935)
8 Injectors (Y148)
9 FCU Fuel Control Unit (Y137)
10 Engine control EDC16 - EMR3
11 Fuel filter with water separator
12 Hand pump
Under normal conditions the rail pressure is between 300 and 1350 bar
The PRV is set to 1600 bar
If the PRV is defective or always open, the pressure in the rail will only build up to max. 700 bar.
The rail pressure must be at least 1.5 bar to start the diesel engine
The fuel low pressure sensor is located after the fuel filter and the pressure is normally between 5 and 7 bar.
The solenoid valve of the Fuel Control Unit (FCU) is dead, open towards the tank.
The voltage applied to the injectors is normally approx. 40 V.

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