Motorkomponenten — Bauteilgruppen

Bedplate (A-Frame) critical Crankcase Doors low Tie Rods critical Main Bearing Caps critical Crankcase Relief Valves high Crankcase Ventilation medium

Camshaft critical Cam Followers (Fuel/Exhaust) high Camshaft Drive (Chain/Gear) critical Chain Tightener high Decompression Mechanism medium Camshaft Bearings critical Cam Timing & Phase high

Scavenge Air Receiver high Scavenge Air Cooler (SAC) high Scavenge Air Fire Detection critical Scavenge Drain System medium Auxiliary Blower high Air Cooler Cleaning System medium Charge Air Bypass / Waste Gate high

Jacket Water System (HT) high Central Cooling System (LT) high Piston Cooling (Oil or Water) high Injector Cooling medium Freshwater Generator (Waste Heat) medium Expansion Tank low Temperature Control Valves medium Sea-Water Cooling Loop critical

Crankshaft critical Crankpin Bearings critical Main Bearings critical Thrust Bearing critical Turning Gear medium Flywheel & Gear Ring low

Cylinder Head Body critical Exhaust Valve (& Valve Seat) critical Air Start Valve high Safety/Relief Valve high Indicator Cock low Fuel Valve (Injector) critical Cylinder Head Studs & Nuts critical Inlet Valve (& Valve Seat) critical Cylinder Head Gasket high Exhaust Valve (4-stroke) critical Rocker Arm Assembly high Pushrod & Tappet Assembly high Exhaust Valve (2-stroke, Hydraulic) critical Cylinder Head Cooling high

Cylinder Liner critical Cylinder Jacket (Water Jacket) high Liner Lubrication (CLO System) high Liner Wear Monitoring medium Liner Anti-Polishing Ring medium

Engine Control Unit (ECU / ECS) critical Cylinder Control Unit (CCU) critical Multi-Purpose Controller (MPC) high EICU (Engine Interface Control Unit) high Alpha Lubricator Control high PMI (Pressure Measurement Indicator) medium CoCoS-EDS (MAN Condition Monitoring) medium Sensors & Transmitters medium Engine Control Unit (ECU) critical Sensors (Engine Block) critical Engine Side-Cabinet (E.S.C.) high Wiring Harness high Operator Panel / HMI high

SCR System high EGR System high Scrubber (SOx) high DPF (Diesel Particulate Filter - rare on 2-stroke) medium Water Injection (NOx) medium Dual-Fuel System (Gas Mode) critical EGR (Exhaust Gas Recirculation) high CEMS (Continuous Emission Monitoring) high Soot Blower System medium

Exhaust Valve Actuator (Hydraulic) critical Exhaust Valve Rotator (Rotocap) high Exhaust Gas Receiver high Exhaust Manifold / Piping medium Exhaust Gas Economizer (EGE) high SCR (Selective Catalytic Reduction) high EGR (Exhaust Gas Recirculation) high Exhaust Manifold / Receiver critical Exhaust Bellows / Expansion Joints critical Exhaust Pipe (Engine → TC) critical Exhaust Pipe (TC → Funnel) high Waste Heat Boiler medium Exhaust Sensors critical

Fuel Pump (Jerk-Type / Common Rail) critical Fuel Valve (Injector Nozzle) critical High-Pressure Fuel Pipes high Fuel Cam / Camshaft (MC-type) high Fuel Booster Module (ME-type) critical FIVA Valve (ME-type) critical Common Rail Unit (RT-flex / X-DF) critical Fuel Oil Supply Unit medium VIT (Variable Injection Timing) high Fuel Injector (Nozzle Holder) critical Fuel Booster Pump high Fuel Filter (HFO/MGO) high Fuel Heater high Fuel Changeover Valve (HFO/MGO) high Fuel Day Tank / Service Tank high

Fuel Oil Settling Tank medium Fuel Oil Service Tank medium Fuel Oil Purifier/Separator high Fuel Oil Heater high Viscosity Controller (Viscotherm) high Fuel Oil Blending Unit (VLSFO/HFO) medium FGSS (Fuel Gas Supply System - LNG/Methanol) critical Water-in-Fuel Detector medium Fuel Settling Tank high Fuel Service Tank high Fuel Purifier / Centrifuge critical Fuel Pre-Filter (Coarse Strainer) high Fuel Booster Module (Pre-Engine) high Sludge Tank (Fuel Side) medium Bunkering Station high

Governor (Electronic/Woodward) critical Speed Setting high Load Sharing (Multi-Engine) high Power Management System (PMS) high Barred Speed Range Control medium Speed Governor (Electronic) critical Speed Governor (Mechanical/Hydraulic) critical Fuel Rack Actuator critical Overspeed Trip critical

Hydraulic Power Supply (HPS) critical Hydraulic Cylinder Unit (HCU) critical ELFI (Electronic Fuel Injection) critical ELVA (Electronic Exhaust Valve Actuation) critical Accumulator / Pressure Rail high Servo Oil System high HCU — Hydraulic Cylinder Unit critical FIVA Valve (Fuel Injection & Exhaust Actuator) critical Hydraulic Power Supply Unit (HPS) critical Hydraulic Oil System critical High-Pressure Hydraulic Pipes critical Exhaust Valve Actuator (Hydraulic) critical

Main Lube Oil System (Crankcase) critical Cylinder Lube Oil System (CLO) critical Lube Oil Purifier high Lube Oil Cooler high Lube Oil Filter (Auto/Manual) high Crankcase Oil Mist Detector critical LO Centrifuge / Purifier high LO Make-Up & Storage Tanks medium Cylinder Lube Oil (CLO) System critical Splash & Spray Lubrication high LO Pressure Reducing & Distribution high

Piston Crown critical Piston Ring Pack critical Piston Skirt high Piston Rod critical Piston Rod Stuffing Box high Crosshead critical Crosshead Bearing critical Crosshead Guides & Shoes high Connecting Rod critical Piston Rings critical Piston Pin / Gudgeon Pin critical

PTO/PTI (Shaft Generator) medium Flexible Coupling medium Turning Gear Motor medium Barring Gear low Free End PTO medium Driving End PTO medium Shaft Generator System medium

Crankcase Explosion Relief Valve critical Oil Mist Detector (OMD) critical Bearing Temperature Monitoring critical Overspeed Protection critical Scavenge Fire Detection & CO2 critical Engine Room Fire Detection critical Emergency Stop System critical Load Reduction / Slow Down Protection high Oil Mist Detection (OMD) critical Emergency Shutdown System (ESD) critical Slowdown System critical Charge Air Cooler Fire Protection critical Engine Watchdog (Alarm Aggregator) high

Starting Air Distributor high Starting Air Valve (per Cylinder) high Main Starting Valve high Slow Turning Valve medium Control Air System medium Air Compressors (Main & Emergency) high Starting Air Receiver critical Starting Air Compressor critical Main Starting Air Valve critical Cylinder Starting Air Valve critical Slow-Turning System high

Turbocharger Unit (ABB/MHI/Napier) critical Compressor Wheel & Diffuser critical Turbine Wheel & Nozzle Ring critical TC Bearings & Lube System high TC Washing System (Water/Dry) medium Auxiliary Blower high Scavenge Air Cooler high Compressor Side critical Turbine Side critical Bearing Cassette / Cartridge critical Rotor Shaft critical Lube Oil Supply (TC) critical TC Cooling high Charge Air Cooler (CAC) Connection high TC Surveillance & Monitoring high

Torsional Vibration Damper high Axial Vibration Damper high Detuner high Top Bracing medium Engine Mounting (Chocking / Resin) medium Crankshaft Torsional Damper high Engine Mounting critical Vibration Monitoring high Anti-Heeling / Balancing medium