Isuzu 3LD2 Bedienungsanleitung

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.

Doosan purchased Bobcat Company from Ingersoll-Rand Company in

2007. Any reference to Ingersoll-Rand Company or use of trademarks,

service marks, logos, or other proprietary identifying marks belonging

to Ingersoll-Rand Company in this manual is historical or nominative

in nature, and is not meant to suggest a current affiliation between

Ingersoll-Rand Company and Doosan Company or the products of

either.

Revised (10-12)

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.

CAUTION AND NOTICE

SAFETY WARNINGS

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

people.

In the caution 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 cautions. If you don’t, you or

others could be hurt.

ENGINE OR EQUIPMENT DAMAGE WARNINGS

NOTICE: These mean there is something that could damage your engine or

equipment.

In the notice 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 notice will tell you what to do to help avoid the

damage.

TABLE OF CONTENTS

1. ENGINE EXTERNAL VIEWS ........................................................... 7

2. GENERAL INFORMATION .............................................................. 3

7. EPA CERTIFIED ENGINE DATA AND SPECIFICATIONS ........ 3

2. ENGINE /DENT/FICA T/ON ........................................................ 7

3. ISUZU ENGINE AFTER SERVICE ............................................. 8

3. FUEL, LUBRICANT, AND COOLANT ............................................. 9

1. FUEL ........................................................................................... 9

2. LUBRICANT ............................................................................... 15

3. COOLANT .................................................................................. 16

4. ENGINE OPERAT/ON ...................................................................... 17

7. CHECK BEFORE OPERATION .................................................. 79

2. ENGINE STARTING .................................................................. 25

3. CHECK AND OPERATION AFTER THE ENGINE START-UP.. . 29

4. CARE IN THE ENGINE OPERATION ........................................ 32

5. ENGINE STOPPING .................................................................. 38

6. OPERATION AND CARE FOR NEW ENGINE .......................... 39

7. ENGINE CARE FOR OVER-COOLING ...................................... 39

8. STARTING THE ENGINE AFTER BEING LEFT UNUSED

FOR A LONG PERIOD OF TIME .*.........................,..............,*... 40

5. PERIODICAL INSPECTION AND MAINTENANCE ......................... 4 1

1. LUBRICATING SYSTEM ~......,...................,.......,,.......~.........,,,,, 47

2. COOLING SYSTEM .,......,.........,,.....*,......,,,,..,...,.,......,.....,,...,,,. 45

3. FUEL SYSTEM ...........................................*.....*......................... 49

4. AIR INTAKE SYSTEM ............~.......................~............~............. 53

5. ENGINE ELECTRICAL .........~........~..~........~...............*...........~.... 55

6. ENGINE ASSEMBLY AND OTHERS ..................~..................... 58

6. ENGINE CARE IN COLD SEASON .............*.......................*....*...... 62

7. ENGINE ELECTRICAL WIRING DIAGRAMS ........*......................... 67

8. ENGINE MAINTENANCE SCHEDULE ..........................~................. 68

9. SIMPLE ENGINE TROUBLESHOOTING .~.......~...,~,,~..~...~...,.....~.,,. 75

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I I

ENGINE EXTERNAL VIEWS

1. EXTERNAL VIEW (LH)

Thermostat housing

Cylinder head cover

Water

Alter-1

Water

drain plug

//w

aust manihold

Star

/ ter motor

Note:

Engine details may

vary depending on the

specifications.

Fig. 1

, r

2. EXTERNAL VIEW (RH)

Nozule holder Oil filler cap

Injection pum

Oil filter /

, Cooling fan

Oil dipstick - ’ Oil drain plug

Fig. 2

Oil filler cap

Crank pulley

Note: I

Engine details may

vary depending on the

specifications.

, c

2I GENERAL INFORMATION

I. EPA CERTIFIED ENGINE DATA AND SPECIFICATIONS

Se rapporter a la fin de ce document pour les informations EPA en francais.

(1) Model 3LD2

ISUZU engine model name 3LD2

Engine family *SZXLOl. 5YNB

Engine code 3LD2XXXXX-XX

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

1 Combustion type Direct injection

No. of cylinders - bore x stroke (mm) 3 - 83.1 x 92

Engine displacement L (cid) 1.496 (91.3)

Impression ratio I 18.8 to 1 I

Firing order

Rated power: SAE NET kW(hp)/minl

Fuel flow at rated power (mm3/stroke)

l-3-2

27.7 (37.2) / 3250

22.4

Exhaust emission control system

Injection pump

Governor

Engine modification

Bosch, PFR type

Mechanical, variable speed type

Injection nozzles

Specified fuel

Multi-hole type

Diesel fuel (ASTM D975 No.2-D)

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

Y : 2000, 1 : 2001, 2 : 2002, 3 : 2003 Model Year

Engine code varies depending on each engine. 3

3LD2

*2 Starter (V-kW) 12 - 1.2

*2 Alternator W-4 12 - 20

Specified engine oil (API grade) CC or CD

*2 Lubrication oil volume L (qtd 6.3 (6.7)

Coolant volume (Engine only) L (qts) 2.5 (2.6)

*2 Engine dry weight kg (lb) 132 (291)

Overall length mm (in) 537 (21.1)

*2 Engine

dimensions Overall width mm (in) 475 (18.7)

Overall height mm (in) 590 (23.2)

Valve clearance (cold) mm (in) 0.20 (0.0078) for exhaust and intake

Nozzle injection pressure MPa (psi) 17.7 (2560)

*2 Injection timing B.T.D.C. 13"

Specification for items marked with an asterisk (*2) will vary according to the type of

equipment in which the engine is installed.

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