## MAN D2848-LXE D2840-LXE D2842-LYE Marine Diesel Engine

### Description

The MAN D2848-LXE D2840-LXE D2842-LYE Marine Diesel Engine is a heavy-duty, four-stroke, six-cylinder, in-line diesel engine designed for marine propulsion applications. It is part of the MAN D28 series of marine diesel engines, known for their reliability, durability, and fuel efficiency. The D2848-LXE D2840-LXE D2842-LYE engine is widely used in various types of marine vessels, including commercial fishing boats, workboats, and pleasure crafts.

### Technical Specifications

- **Engine Type:** Four-stroke, six-cylinder, in-line diesel engine
- **Bore:** 125 mm (4.92 in)
- **Stroke:** 155 mm (6.10 in)
- **Displacement:** 12.4 liters (756.9 cu in)
- **Compression Ratio:** 18:1
- **Power Range:** 200-400 kW (268-536 hp) at 1800-2100 rpm
- **Torque:** 1,400-1,900 Nm (1,032-1,401 lb-ft) at 1200-1400 rpm
- **Governor Type:** Mechanical or electronic
- **Fuel System:** Common rail injection with high-pressure pump and solenoid injectors
- **Air Intake System:** Turbocharged and intercooled
- **Exhaust System:** Dry exhaust manifold with water-cooled turbocharger
- **Cooling System:** Closed-circuit fresh water cooling with keel cooler
- **Lubrication System:** Pressure-lubricated with full-flow oil filter
- **Electrical System:** 12V or 24V charging system with alternator and starter motor

### Features

- **Robust Construction:** Rigid cast iron engine block and cylinder head ensure durability and longevity.
- **Efficient Combustion:** Common rail fuel injection system optimizes fuel delivery for improved fuel economy and reduced emissions.
- **High Power and Torque:** Large displacement and turbocharging provide high power and torque output, ensuring excellent propulsion performance.
- **Reliable Performance:** Advanced engineering and rigorous testing ensure reliable operation in harsh marine environments.
- **Easy Maintenance:** Modular design and accessible components facilitate maintenance and repairs.
- **Compact and Lightweight:** Compact dimensions and low weight make the engine ideal for space-constrained installations.

### Applications

The MAN D2848-LXE D2840-LXE D2842-LYE Marine Diesel Engine is suitable for a wide range of marine propulsion applications, including:

- Commercial fishing vessels
- Workboats and utility boats
- Passenger ferries and boats
- Pleasure crafts and yachts
- Auxiliary power generation on larger vessels

This manual PDF download has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.

APPLICABLE MODELS :
MAN D2848 LXE / LE 401 / 403 / 405
MAN D2840 LXE / LE 401 / 402 / 407
MAN D2842 LYE / LZE / LE 401 / 402/ 403 / 406 / 408 / 411 / 412 / 413

TABLE OF CONTENTS :
Instruction
Safety instructions
Trouble shooting table
General information on the overhaul of engines
Commissioning after engine overhaul
Engine views, D 2848 LE401
Engine views, D 2840 LE401
Engine views, D 2842 LE406
Cross section of engine
Longitudinal section of a D 2842 LE 401 engine
Schematic diagram of engine lubrication system
Schematic diagram of cooling system
Schematic diagram of fuel system

Fuel system
Checking and adjusting start of fuel delivery
Fuel injection pump
Removing and installing injection pump
Removing and installing fuel injectors
Checking and repairing fuel injectors
Cleaning fuel prefilter
Changing fuel filter cartridges

Cooling system
Draining and filling with coolant
Removing and installing thermostats and water pump
Repairing water pump
Cleaning cooling system
Removing and installing heat exchanger
Removing and installing pipe cluster for heat exchanger
Checking and repairing pipe cluster for heat exchanger
Cleaning heat exchanger pipe set
Changing impeller of raw water pump
Removing and installing raw-water pump

Lubrication
Changing oil filter
Removing and installing oil cooler
Removing and installing oil pump
Removing and installing oil spray nozzle

Flywheel
Removing and installing vibration damper, changing front crankshaft seal
Removing and installing flywheel, replacing gear ring
Removing and installing crankshaft seal (flywheel end)
Exchanging bearing race
Crankshaft seals

Intake / exhaust system
Removing and installing intake manifold
Maintaining air filter
Removing and installing exhaust manifold with 8-hole-flange
Removing and installing exhaust manifold with 4-hole-flange
Turbocharger, trouble shooting
Checking the charge-air pressure
Removing and installing turbocharger
Checking axial and radial play of turbocharger rotor shaft
Waste gates
Exchanging charge-air pressure relief valve

Cylinder head
Removing and installing cylinder head
Setting valve clearance
Removing and installing rocker arms
Removing and installing valves
Removing and installing valve guides
Replacing valve seat insert
Reworking valve seat
Refacing valves
Checking compression

Valve timing
Removing and installing timing case
Removing and installing camshaft
Checking valve timing
Repairing tachometer drive (angle drive)

Crankgear, pistons
Removing and installing crankshaft
Pistons
Removing and installing piston with connecting rod
Detaching piston from and attaching to connecting rod checking - changing connecting rod
Removing, installing and changing piston rings
Replacing cylinder liners
Measuring piston protrusion

Attachments
Removing and installing starter
V-belts
Removing and installing power take-off for raw-water pump
Removing and installing power take-off for hydraulic pump

Electrical system
Coolant level probe
Intake air pre-heater
Transmitters

Special tools

Index

Language : English
Requirements : PDF Reader
Total pages : 180+

This manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having PDF files instead of a hard-printed manual is that you can use the Search feature in Acrobat to find just what your looking for and just print out the exact pages you need or all manual.

→ This Manual PDF Compatible with All version Windows PC OS, MAC OS and Linux OS.
→ Compression utility needed to extract it first, if PDF locate in the archive (e.g. 7-zip).
→ All pages are printable, so run off what you need & take it with you into the garage or workshop.

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