Kubota WG1605 Manual

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

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Service Training

Fuel System Overview:

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Service Training

Fuel System Overview:

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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

- +

BATTERY

STARTER

ALTERNATOR

INSTURMENT

PANEL

TPS 1&2

KNK

CAN

FRESH AIR

LIQUID FUELHIGH PRESSURE

LOW PRESSURE FUEL

AIR FUEL MIXTURE

ENGINE COOLANT

EXHAUST GASES

ECI00001 REV A

KUBOTA ENGINE AMERICA

Service Training

System Overview - Gasoline:

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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

- +

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.

Table of contents

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