Isuzu AU-4LE1T Manuale utente

CALIFORNIA

Proposition 65 Warning

Diesel engine exhaust and some of its

constituents are known to the State of

California to cause cancer, birth

defects, and other reproductive

harm.

FOREWORD

The ISUZU industrial diesel engines are a product of ISUZU’s long years of

experience, advanced technology. ISUZU takes great pride in the superior

durability and operating economy of these engines.

In order to get the fullest use and benefit from your industrial engine, it is

important that you operate and maintain it correctly. This Manual is

designed to help you do this.

Please read this Manual carefully and follow its operating and maintenance

recommendations. This will ensure many years of trouble-free and

economical engine operation.

Should your engine require servicing, please contact your nearest ISUZU

engine outlet. He knows your engine best and is ready to meet your

satisfaction.

All information, illustrations, and specifications contained in this Manual are

based on the latest product information available at the time of publication.

ISUZU reserves the right to make changes in this Manual at any time without

prior notice.

WARNING AND CAUTION

SAFETY WARNINGS

WARNING: These mean there is something that could hurt you or other

people.

In the warning area, we tell you what the hazard is. Then we tell you what to do

to help avoid or reduce the hazard. Please read these warnings. If you don’t,

you or others could be hurt.

ENGINE OR EQUIPMENT DAMAGE WARNINGS

CAUTION: These mean there is something that could damage your engine

or equipment.

In the caution area, we tell you about something that can damage your engine or

equipment. Many times, this damage would not be covered by your warranty, and it could

be costly. But the caution will tell you what to do to help avoid the damage.

EMPHASIZED WARNINGS

NOTICE: These mean there is something that needs to be emphasized but

which does not concern the possibility of personal injury or mechanical

damage.

TABLE OF CONTENTS

1. ENGINE EXTERNAL VIEWS .............................................................. 1

1. MODEL 4LE1T ............................................................................. 1

2. MODEL 4LE1NA .......................................................................... 3

2. GENERAL INFORMATION ................................................................. 5

1. EPA AND CARB CERTIFIED ENGINE DATA AND

SPECIFICATIONS........................................................................ 5

2. EC EMISSION CONTROL LABLE: ENGINE LABEL

(ONLY EC TYPE) ......................................................................... 18

3. ENGINE IDENTIFICATION........................................................... 19

4. ISUZU ENGINE AFTER SERVICE............................................... 21

3. FUEL, LUBRICANT, AND COOLANT................................................. 22

1. FUEL ............................................................................................ 22

2. LUBRICANT................................................................................. 27

3. COOLANT.................................................................................... 30

4. ENGINE OPERATION ......................................................................... 31

1. CHECK BEFORE OPERATION ................................................... 32

2. ENGINE STARTING ..................................................................... 38

3. CHECK AND OPERATION AFTER THE ENGINE START-UP .... 42

4. CARE IN THE ENGINE OPERATION .......................................... 45

5. ENGINE STOPPING..................................................................... 51

6. OPERATION AND CARE FOR NEW ENGINE ............................ 52

7. ENGINE CARE FOR OVER-COOLING ....................................... 52

8. OPERATION AND CARE FOR TURBOCHARGED ENGINE ...... 53

9. STARTING THE ENGINE AFTER BEING LEFT UNUSED

FOR A LONG PERIOD OF TIME ................................................. 54

5. PERIODICAL INSPECTION AND MAINTENANCE ............................ 55

1. LUBRICATING SYSTEM.............................................................. 55

2. COOLING SYSTEM ..................................................................... 64

3. FUEL SYSTEM............................................................................. 70

4. AIR INTAKE SYSTEM.................................................................. 77

5. ENGINE ELECTRICAL ................................................................ 79

6. ENGINE ASSEMBLY AND OTHERS ........................................... 83

6. ENGINE CARE IN COLD SEASON .................................................... 89

1. FUEL ............................................................................................ 89

2. COOLANT.................................................................................... 90

3. ENGINE OIL................................................................................. 92

4. BATTERY ..................................................................................... 92

5. ENGINE STARTING ..................................................................... 93

7. ENGINE MAINTENANCE SCHEDULE ............................................... 94

8. SIMPLE ENGINE TROUBLESHOOTING ........................................... 102

1. ENGINE EXTERNAL VIEWS

1. MODEL 4LE1T

(1) LH

Air inlet

Generator

Turbocharger

Water drain plug

Starter

IMLE0085

Note:

Engine details may

vary depending on the

specifications.

(2) RH

PCV

Nozzle holder

Solenoid stopper

Oil filler cap

Oil drain plug

Oil cooler

From oil filter

To oil filter

Water pump

Thermostat housing

IMLE0086

Note:

Engine details may

vary depending on the

specifications.

2. MODEL 4LE1NA

(1) LH

Air inlet

Generator

Water drain plug

Starter

IMLE0087

Note:

Engine details may

vary depending on the

specifications.

(2) RH

Nozzle holder

Solenoid stopper

Oil filler cap

Oil drain plug

Fuel filter

Oil filter

Thermostat housing

Water pump

IMLE0088

Note:

Engine details may

vary depending on the

specifications.

2. GENERAL INFORMATION

1. EPA AND CARB CERTIFIED ENGINE DATA AND SPECIFICATIONS

Se rapporter à la fin de ce document pour les informations EPA en français.

(1) Model AU-4LE1T

ISUZU engine model name AU-4LE1T

Engine family *SZXL02.2UTA

Engine code 4LE1XXXXX-XX

Engine type Water-Cooled, four cycle, in-line overhead valve type

Combustion type Swirl chamber type

No. of cylinders – bore ×stroke mm(in) 4 – 85 ×96 (3.35 ×3.78)

Engine displacement L(cid) 2.179 (133)

Compression ratio 21.5 to 1

Firing order 1 – 3 – 4 – 2

*2 Rated power: SAE NET kW(hp)/min-1 40 (53.6) / 2200

*2 Fuel flow at max rated power (mm3/stroke) 46.3

Exhaust emission control system EM, IDI, TC, EGR

Injection pump Bosch, PFR type

Governor Variable speed, Mechanical type

* Mark ; Put a letter codes for model year on the top of the letters.

Y : 2000, 1 : 2001, 2 : 2002, 3 : 2003, 4 : 2004, 5 : 2005, 6 : 2006, 7 : 2007, 8 : 2008, 9 : 2009, Model Year

Engine code varies depending on each engine.

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