Kubota EA330-E4 Series Manual de instrucciones

WORKSHOP MANUAL

DIESEL ENGINE

EA330-E4 SERIES

KiSC issued 05, 2015 A

TO THE READER

This Workshop Manual tells the servicing personnel about the mechanism, servicing and

maintenance of the EA330-E4. It contains 4 parts: "Information", "General", "Mechanism" and

"Servicing".

Information

This section primarily contains information below.

• Safety First

• Specification

• Performance Curve

• Dimension

General

This section primarily contains information below.

• Engine Identification

• General Precautions

• Maintenance Check List

• Check and Maintenance

• Special Tools

Mechanism

This section contains information on the structure and the function of the unit. Before you continue

with the subsequent sections, make sure that you read this section.

Refer to the latest version of Workshop Manual (Code No. 9Y021-01870) for the diesel engine

mechanism that this workshop manual does not include.

Servicing

This section primarily contains information below.

• Troubleshooting

• Servicing Specifications

• Tightening Torques

• Checking, Disassembling and Servicing

All illustrations, photographs and specifications contained in this manual are of the newest

information available at the time of publication.

KUBOTA reserves the right to change all information at any time without notice.

Since this manual includes many models, information or illustrations and photographs can show

more than one model.

December, 2013

KiSC issued 05, 2015 A

Record of Revisions

For pdf, use search function {Search word} to find all the revised locations.

Last digit

of the

Code No.

Issue

month Main Revised Point and Corrective Measures {Search word} Reference

Page

12015.05 Change the Adjusting Injection Timing to Replacing Injection pump. 1-S19

KiSC issued 05, 2015 A

I INFORMATION

KiSC issued 05, 2015 A

CONTENTS

1. SAFETY FIRST .............................................................................................................................. I-1

2. SPECIFICATIONS.......................................................................................................................... I-4

3. PERFORMANCE CURVES............................................................................................................I-5

4. DIMENSIONS ................................................................................................................................. I-6

INFORMATION

KiSC issued 05, 2015 A

INFORMATION

EA330-E4, WSM

I-1

1. SAFETY FIRST

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BEFORE YOU START SERVICE

• Read all instructions and safety instructions in this

manual and on your engine safety decals.

• Clean the work area and engine.

• Park the machine on a stable and level ground.

• Let the temperature of the engine decrease before

you start a job.

• Stop the engine, then remove the key.

• Disconnect the battery negative cable.

• Hang a "DO NOT OPERATE" tag in the operator

station.

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START SAFELY

• Do not do the procedures below when you start the

engine.

– short across starter terminals

– bypass the safety start switch

• Do not make unauthorized modifications to the

engine. This can cause damage and decrease the

engine life.

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SAFETY FIRST

• This symbol, the industry's "Safety Alert Symbol", is used throughout this manual and on labels on the

machine itself to warn of the possibility of personal injury. Read these instructions carefully.

• It is essential that you read the instructions and safety regulations before you try to repair or use this

unit.

DANGER

• Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

• Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

CAUTION

• Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate

injury.

IMPORTANT

• Indicates that equipment or property damage could result if instructions are not followed.

NOTE

• Gives helpful information.

KiSC issued 05, 2015 A

INFORMATION

EA330-E4, WSM

I-2

OPERATE SAFELY

• Do not use the machine after you consume alcohol

or medication or when you are tired.

• Put on applicable clothing and safety equipment.

• Use applicable tools only. Do not use alternative

tools or parts.

• When 2 or more persons do servicing, make sure

that you do it safely.

• Do not touch the hot parts or parts that turn when the

engine operates.

• Do not remove the radiator cap when the engine

operates, or immediately after it stops. If not, hot

water can spout out from the radiator. Only remove

the radiator cap when it is at a sufficiently low

temperature to touch with bare hands. Slowly loosen

the cap to release the pressure before you remove it

fully.

• Released fluid (fuel or hydraulic oil) under pressure

can cause damage to the skin and cause serious

injury. Release the pressure before you disconnect

hydraulic or fuel lines. Tighten all connections before

you apply the pressure.

• Do not open a fuel system under high pressure.

The fluid under high pressure that stays in fuel lines

can cause serious injury. Do not disconnect or repair

the fuel lines, sensors, or any other components

between the fuel pump and injectors on engines with

a common rail fuel system under high pressure.

• Put on an applicable ear protective device (earmuffs

or earplugs) to prevent injury against loud noises.

• Be careful about electric shock. The engine

generates a high voltage of more than DC100 V in

the ECU and is applied to the injector.

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PREVENT A FIRE

• Fuel is very flammable and explosive under some

conditions. Do not smoke or let flames or sparks in

your work area.

• To prevent sparks from an accidental short circuit,

always disconnect the battery negative cable first

and connect it last.

• The battery gas can cause an explosion. Keep the

sparks and open flame away from the top of battery,

especially when you charge the battery.

• Make sure that you do not spill fuel on the engine.

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KiSC issued 05, 2015 A

INFORMATION

EA330-E4, WSM

I-3

KEEP A GOOD AIRFLOW IN THE WORK AREA

• If the engine is in operation, make sure that the area

has good airflow. Do not operate the engine in a

closed area. The exhaust gas contains poisonous

carbon monoxide.

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DISCARD FLUIDS CORRECTLY

• Do not discard fluids on the ground, down the drain,

into a stream, pond, or lake. Obey related

environmental protection regulations when you

discard oil, fuel, coolant, electrolyte and other

dangerous waste.

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PREVENT ACID BURNS

• Keep electrolyte away from your eyes, hands and

clothing. Sulfuric acid in battery electrolyte is

poisonous and it can burn your skin and clothing and

cause blindness. If you spill electrolyte on yourself,

clean yourself with water, and get medical aid

immediately.

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PREPARE FOR EMERGENCIES

• Keep a first aid kit and fire extinguisher ready at all

times.

• Keep the emergency contact telephone numbers

near your telephone at all times.

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KiSC issued 05, 2015 A

INFORMATION

EA330-E4, WSM

I-4

2. SPECIFICATIONS

*Conversion Formula: HP=0.746 kW, PS=0.7355 kW

9Y1211018INI0001US0

Model EA330-E4-NB1 EA330-E4-NB1-APU-1 EA330-E4-NB1-SCS-1

Number of Cylinder 1

Engine Type Horizontal, water-cooled, 4-cycle diesel engine

Bore × Stroke 77.0 mm × 70.0 mm (3.03 in × 2.76 in.)

Displacement 325 cc (19.8 cu.in.)

Brake Horsepower

SAE Intermittent 5.15 kW (6.91 HP) / 3000 min-1 (rpm) 5.76 kW (7.72 HP) /

3000 min-1 (rpm)

SAE Continuous 4.4 kW (5.9 HP) / 3000 min-1 (rpm) 4.8 kW (6.4 HP) /

3000 min-1 (rpm)

Maximum Bare Speed 3220 min-1 (rpm)

Minimum Bare Idling Speed 1300 min-1 (rpm)

Combustion Chamber Spherical type (TVCS)

Fuel Injection Pump Bosch K type mini pump

Governor Mechanical all speed governor

Direction of Rotation Counter-clockwise (Viewed from flywheel side)

Injection Nozzle DN-PD Mini Nozzle

Injection Timing 0.445 rad (25.5 °) Before T.D.C.

Injection Pressure 13.73 MPa (140.0 kgf/cm2, 1991 psi)

Compression Ratio 24

Lubricating System Forced Lubrication by Trochoid Pump

Cooling System Radiator –

Starting System Electric Starting with Starter

Starting Motor 12 V, 0.8 kW

Starting Support Device By glow plug in combustion chamber

EGR None

Battery 12V, 28 AH equivalent

Charging Alternator 12V, 60W

Fuel No. 2-D S500 or S15, See page G-6

Lubricating Oil Class CF lubricating oil as per API classification is recommended.

For details on recommended lubricating oils. (see page G-6)

Lubricating Oil Capacity 1.3 L (0.34 U.S.gals)

Coolant Capacity 1.2 L (0.32 U.S.gals) –

Fuel Tank Capacity 4.8 L (1.3 U.S.gals) –

Weight (Dry) 54.0 kg (119 lbs) 43.0 kg (94.8 lbs) 39.0 kg (86.0 lbs)

KiSC issued 05, 2015 A

INFORMATION

EA330-E4, WSM

I-5

3. PERFORMANCE CURVES

NOTE

• Each performance curves obtained in accordance with SAE J816b are corrected to 760 mm Hg

(29.9 in.Hg), 20 °C (68 °F) 60 % humidity.

9Y1211018INI0002US0

(1) Intermittent Torque (2) Brake Horse Power

(Intermittent)

(3) Fuel Consumption (4) Brake Horse Power

(Continuous)

KiSC issued 05, 2015 A

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