Kubota WG1605 Service Training

Kubota
Brand
Kubota
Model
WG1605
Type
Service Training
KUBOTA ENGINE AMERICA
Service Training
Kubota Engine Training:
WG1605, spark ignited
KUBOTA ENGINE AMERICA
Service Training
WG1605 Engine Training:
System Overviews
Mechanical Components
Electronic Components and Sensors
Operation
Service Tool
KUBOTA ENGINE AMERICA
Service Training
Fuel System Overview:
KUBOTA ENGINE AMERICA
Service Training
Fuel System Overview:
KUBOTA ENGINE AMERICA
Service Training
System Overview - Gaseous:
ECI ECM
LPG TANK
FUEL
FILTER
ELECTRIC
LOCK OFF
MANUAL
VALVE
DUAL STAGE
REGULATOR
EPR
MIXER
AIR FILTRATION
SYSTEM
ETB
INTAKE MANIFOLD
EXHAUST MANIFOLD
CATALYST
ECT
OIL
TMAP
IGNITION
COIL PACK
CCK
CPK
HEGO
HEGO
- +
BATTERY
STARTER
ALTERNATOR
INSTURMENT
PANEL
TPS 1&2
KNK
CAN
FRESH AIR
LIQUID FUEL HIGH PRESSURE
LOW PRESSURE FUEL
AIR FUEL MIXTURE
ENGINE COOLANT
EXHAUST GASES
ECI00001 REV A
KUBOTA ENGINE AMERICA
Service Training
System Overview - Gasoline:
KUBOTA ENGINE AMERICA
Service Training
System Overview - Dual Fuel:
ECI ECM
LPG TANK
FUEL
FILTER
ELECTRIC
LOCK OFF
MANUAL
VALVE
DUAL STAGE
REGULATOR
EPR
MIXER
AIR FILTRATION
SYSTEM
ETB
INTAKE MANIFOLD
EXHAUST MANIFOLD
CATALYST
ECT
OIL
TMAP
IGNITION
COIL PACK
CCK
CPK
HEGO
HEGO
- +
BATTERY
STARTER
ALTERNATOR
INSTRUMENT
PANEL
TPS 1&2
KNK
CAN
FRESH AIR
LIQUID LPG FUEL HIGH PRESSURE
LPG LOW PRESSURE FUEL
LPG AIR FUEL MIXTURE
ENGINE COOLANT
EXHAUST GASES
ECI00003 REV A
GASOLINE FUEL RAIL
GASOLINE
TANK
FUEL
FILTER
ELECTRIC
FUEL
PUMP
RETURNLESS
FUEL
PRESSURE
REGULATOR
SELECT
SWITCH
FPP
GASOLINE SUCTION
GASOLINE PRESSURE
GASOLINE REGULATED
KUBOTA ENGINE AMERICA
Service Training
Mechanical Components:
WG1605 engines are similar to V1505.
Some differences include:
Intake and exhaust manifolds.
Positive Crankcase Ventilation system.
Pistons.
Cylinder heads and valves.
Crankcase, Camshaft.
KUBOTA ENGINE AMERICA
Service Training
Intake & Exhaust Manifolds:
Exhaust manifolds are
shielded and engineered
for higher temperatures
Intake
manifolds use
longer runners
KUBOTA ENGINE AMERICA
Service Training
Positive Crankcase
Ventilation (PCV) System:
PCV
Valve
Controls
amount of
blow-by gas
and fresh air.
KUBOTA ENGINE AMERICA
Service Training
Pistons and Rings:
“Dished” pistons are the main combustion chamber.
(Gaseous compression ratios are nearly a third of a
comparable diesel.)
Top Ring:
Barrel Shape
Second Ring:
Tapered
Oil Control
Ring
KUBOTA ENGINE AMERICA
Service Training
Cylinder Head and Valves:
Spark plugs
are recessed
in head, and
protrude into
the main
combustion
chamber.
Valves are
equipped with
special heat
resistant alloy.
KUBOTA ENGINE AMERICA
Service Training
Piston Recession Example:
KUBOTA ENGINE AMERICA
Service Training
Cross-Flow Cylinder Head:
Low heat
conduction
between
intake and
exhaust ports.
KUBOTA ENGINE AMERICA
Service Training
Camshaft:
The camshaft’s
timing pin (5),
is attached to
the gear (4).
KUBOTA ENGINE AMERICA
Service Training
Gear shaft:
The gear shaft
deletes the
fuel cam from
the 05-E3B
engine.
KUBOTA ENGINE AMERICA
Service Training
Flywheel:
The WG1605
flywheel is
designed to
work alongside
the crankshaft
sensor.
KUBOTA ENGINE AMERICA
Service Training
Fuel Delivery Pipe and
Injectors:
ECU controlled
fuel delivery
(pulse width
modulated).
Port Fuel Injection
Fuel Pressure 40 – 45 PSI*
*(can fluctuate between 35-75#)
KUBOTA ENGINE AMERICA
Service Training
Fuel Delivery Pipe and
Injectors:
KUBOTA ENGINE AMERICA
Service Training
12-Volt operation
2-wire injector
Pulse-width
modulation
ECU Controlled
ground driver.
Fuel Delivery Pipe and
Injectors:
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Kubota WG1605 Service Training

Kubota
Brand
Kubota
Model
WG1605
Type
Service Training
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