Yanmar 4JH2E Service Manual page 12

Chapter 1 General
3. Construction
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3. Construction
ENGINE MODEL
Group
Part
Engine Proper Culinder block
Cylinder liner
Timing gear case
Oil sump
Main bearings
Engine feet
lntake/E xhaust,
Cylinder head
Valve Drive
Intake/exhaust valves
Intake manifold
Exhaust manifold
Air cooler
Tarbocharger
Valve drive
Timing gear
Main Moving Parts Crankshaft
Flywheel
Pistons
Piston rings
Piston pin
Connecting rod
Crank pin bushings
Lube Oil System Lube oil pump
Oil filter
Oil cooler
Control valve
Cooling Water System Fresh water pump
Sea water pump
Thermostat
Fresh water cooler
Bilge Bilge pump
Fuel injection pump
Fuel Injection
Equipment
Fuel injection nozzles
Fuel feed pump
Fuel filter
Governor Governor
Remote Control Engine speed
Equipment & marine gearbox
Starting Equipment Electric starter
Generator
Marine Gearbox Clutch
Reduction gear
4JH2E 4JH2-TE 4JH2-HTE
I
4JH2-DTE
I
4JH2-UTE
Construction
Integrally-cast water jacket and crankcase
Dry sleeve
Cast aluminum
Cast aluminum,
oil pan
Hanger-type bearing supports
Cylinder block and Flywheel mounting side
Integrally-case type, jet cooling between valves,
Intake/exhaust valve seat inserts
Mushroom shaped, seat angle: Intake: 120° Exhaust: 90°
Aluminum diecast integral
Water cooled integral with i,yater tank
Plate fin type
I
Corrugated fin type
IHI RHB52 IHI RHB52HW exhaust gas turbo,
-
exhaust Water cooled type
gas turbo
Overhead valve push rod rocker arm system
Helical gear
Stamped forging
Cast iron static balance with ring gear
Cast aluminum, oval type
2 compression rings, 1 oil ring
Floating type
Forged steel
Aluminum bushings
Trochoid type
Full flow paper element cartridge type
Sea water cooled pipe type Sea water cooled multi-pipe type
Cylindrical type with external adjusting shims
V-pulley driven, centrifugal type
Gear driven, rubber impeller type
Wax pellet type
Multi-tube type integral with exhaust manifold
Electric
YANMAR YPES-4CL
Hole type
Diaphragm type
Paper element cartridge type
Centrifugal all-speed mechanical type
Single control lever type with push-pull cable
DC 12V, 1.4kW starter motor
12V, 55A with built-in IC regulator
Multiple friction disc clutch/cone clutch
Helical gear constant mesh type
1-6
I
NP-VE4
I Vane type
Printed in Japan
AOA1029-9109SP