Component Group Tree

Bedplate (A-Frame) 0 parts critical Crankcase Doors 0 parts low Tie Rods 0 parts critical Main Bearing Caps 0 parts critical Crankcase Relief Valves 0 parts high

Camshaft 0 parts critical Cam Followers (Fuel/Exhaust) 0 parts high Camshaft Drive (Chain/Gear) 0 parts critical Chain Tightener 0 parts high Decompression Mechanism 0 parts medium

Scavenge Air Receiver 0 parts high Scavenge Air Cooler (SAC) 1 parts high Scavenge Air Fire Detection 0 parts critical Scavenge Drain System 0 parts medium Auxiliary Blower 0 parts high Air Cooler Cleaning System 0 parts medium

Jacket Water System (HT) 0 parts high Central Cooling System (LT) 0 parts high Piston Cooling (Oil or Water) 0 parts high Injector Cooling 0 parts medium Freshwater Generator (Waste Heat) 0 parts medium Expansion Tank 0 parts low Temperature Control Valves 0 parts medium

Crankshaft 0 parts critical Crankpin Bearings 0 parts critical Main Bearings 1 parts critical Thrust Bearing 0 parts critical Turning Gear 0 parts medium Flywheel & Gear Ring 0 parts low

Cylinder Head Body 1 parts critical Exhaust Valve (& Valve Seat) 2 parts critical Air Start Valve 0 parts high Safety/Relief Valve 0 parts high Indicator Cock 0 parts low Fuel Valve (Injector) 2 parts critical Cylinder Head Studs & Nuts 0 parts critical

Cylinder Liner 2 parts critical Cylinder Jacket (Water Jacket) 0 parts high Liner Lubrication (CLO System) 0 parts high Liner Wear Monitoring 0 parts medium

Engine Control Unit (ECU / ECS) 3 parts critical Cylinder Control Unit (CCU) 0 parts critical Multi-Purpose Controller (MPC) 0 parts high EICU (Engine Interface Control Unit) 0 parts high Alpha Lubricator Control 2 parts high PMI (Pressure Measurement Indicator) 1 parts medium CoCoS-EDS (MAN Condition Monitoring) 0 parts medium Sensors & Transmitters 1 parts medium

SCR System 0 parts high EGR System 0 parts high Scrubber (SOx) 0 parts high DPF (Diesel Particulate Filter - rare on 2-stroke) 0 parts medium Water Injection (NOx) 0 parts medium Dual-Fuel System (Gas Mode) 4 parts critical

Exhaust Valve Actuator (Hydraulic) 0 parts critical Exhaust Valve Rotator (Rotocap) 0 parts high Exhaust Gas Receiver 0 parts high Exhaust Manifold / Piping 0 parts medium Exhaust Gas Economizer (EGE) 0 parts high SCR (Selective Catalytic Reduction) 1 parts high EGR (Exhaust Gas Recirculation) 0 parts high

Fuel Pump (Jerk-Type / Common Rail) 3 parts critical Fuel Valve (Injector Nozzle) 2 parts critical High-Pressure Fuel Pipes 0 parts high Fuel Cam / Camshaft (MC-type) 0 parts high Fuel Booster Module (ME-type) 1 parts critical FIVA Valve (ME-type) 1 parts critical Common Rail Unit (RT-flex / X-DF) 1 parts critical Fuel Oil Supply Unit 0 parts medium VIT (Variable Injection Timing) 0 parts high

Fuel Oil Settling Tank 0 parts medium Fuel Oil Service Tank 0 parts medium Fuel Oil Purifier/Separator 0 parts high Fuel Oil Heater 0 parts high Viscosity Controller (Viscotherm) 0 parts high Fuel Oil Blending Unit (VLSFO/HFO) 0 parts medium FGSS (Fuel Gas Supply System - LNG/Methanol) 1 parts critical Water-in-Fuel Detector 0 parts medium

Governor (Electronic/Woodward) 3 parts critical Speed Setting 0 parts high Load Sharing (Multi-Engine) 0 parts high Power Management System (PMS) 0 parts high Barred Speed Range Control 0 parts medium

Hydraulic Power Supply (HPS) 2 parts critical Hydraulic Cylinder Unit (HCU) 1 parts critical ELFI (Electronic Fuel Injection) 0 parts critical ELVA (Electronic Exhaust Valve Actuation) 0 parts critical Accumulator / Pressure Rail 0 parts high Servo Oil System 0 parts high

Main Lube Oil System (Crankcase) 0 parts critical Cylinder Lube Oil System (CLO) 0 parts critical Lube Oil Purifier 0 parts high Lube Oil Cooler 0 parts high Lube Oil Filter (Auto/Manual) 0 parts high Crankcase Oil Mist Detector 2 parts critical

Piston Crown 2 parts critical Piston Ring Pack 1 parts critical Piston Skirt 0 parts high Piston Rod 0 parts critical Piston Rod Stuffing Box 0 parts high Crosshead 0 parts critical Crosshead Bearing 1 parts critical Crosshead Guides & Shoes 0 parts high Connecting Rod 0 parts critical

PTO/PTI (Shaft Generator) 0 parts medium Flexible Coupling 0 parts medium Turning Gear Motor 0 parts medium Barring Gear 0 parts low

Crankcase Explosion Relief Valve 0 parts critical Oil Mist Detector (OMD) 0 parts critical Bearing Temperature Monitoring 0 parts critical Overspeed Protection 0 parts critical Scavenge Fire Detection & CO2 0 parts critical Engine Room Fire Detection 0 parts critical Emergency Stop System 0 parts critical Load Reduction / Slow Down Protection 0 parts high

Starting Air Distributor 0 parts high Starting Air Valve (per Cylinder) 0 parts high Main Starting Valve 0 parts high Slow Turning Valve 0 parts medium Control Air System 0 parts medium Air Compressors (Main & Emergency) 0 parts high

Turbocharger Unit (ABB/MHI/Napier) 3 parts critical Compressor Wheel & Diffuser 0 parts critical Turbine Wheel & Nozzle Ring 0 parts critical TC Bearings & Lube System 0 parts high TC Washing System (Water/Dry) 0 parts medium Auxiliary Blower 0 parts high Scavenge Air Cooler 2 parts high

Torsional Vibration Damper 0 parts high Axial Vibration Damper 0 parts high Detuner 0 parts high Top Bracing 0 parts medium Engine Mounting (Chocking / Resin) 0 parts medium