New Holland EHSO.B User manual

SHOP MANUAL
EH50.B
HYDRAULIC EXCAVATORS
TABLE
OF CONTENTS
SECTION 1
STANDARD SPECIFICATIONS AND MAINTENANCE
Table of Contents ................................................................... I
(Book/Form Number: 6-78620 NA)
CHAPTER 1
GENERAL INFORMATION AND SAFETY
Table of Contents ........................................................................... 1-1
(Book/Form Number: 6-78630 NA)
CHAPTER 2
SPECIFICATIONS
Table of Contents ........................................................................... 2-1
(Book/Form Number: 6-78640 NA)
CHAPTER3
ATTACHMENT DIMENSIONS
Table of Contents ........................................................................... 3-1
(Book/Form Number: 6-78650 NA)
CHAPTER 11
TOOLS
Table of Contents .......................................................................... 11-1
(Book/Form Number: 6-78660 NA)
CHAPTER12
STANDARD MAINTENANCE TIME TABLE
Table of Contents .......................................................................... 12-1
(Book/Form Number: 6-78670 NA)
CHAPTER13
MAINTENANCE STANDARDS AND TEST PROCEDURES
Table of Contents .......................................................................... 13-1
(Book/Form Number: 6-78680 NA)
SECTION 2
HYDRAULIC, ELECTRICAL, AND COMPONENT SYSTEMS
Table of Contents ................................................................... I
(Book/Form Number: 6-78690 NA)
CHAPTER 22
HYDRAULIC SYSTEM
Table of Contents .......................................................................... 22-1
(Book/Form Number: 6-78700 NA)
CHAPTER 23
ELECTRICAL SYSTEM
Table of Contents .......................................................................... 23-1
(Book/Form Number: 6-78710 NA)
CHAPTER 24
COMPONENTS SYSTEM
Table of Contents .......................................................................... 24-1
(Book/Form Number: 6-78720 NA)
6-78610NA Issued 1-05 Bur

SECTION 3
DISASSEMBLY AND ASSEMBLY
Table of Contents
.................................................................... I
(Book/Form Number: 6-78730 NA)
CHAPTER31
GENERAL DISASSEMBLY AND ASSEMBLY
Table of Contents .......................................................................... 31-1
(Book/Form Number: 6-78740 NA)
CHAPTER32
ATTACHMENTS
Table of Contents .......................................................................... 32-1
(Book/Form Number: 6-78750 NA)
CHAPTER33
UPPER SLEWING STRUCTURE
Table of Contents .......................................................................... 33-1
(Book/Form Number: 6-78760 NA)
CHAPTER34
TRAVEL SYSTEM
Table of Contents .......................................................................... 34-1
(Book/Form Number: 6-78770 NA)
SECTION 4
TROUBLESHOOTING
Table of Contents
.................................................................... I
(Book/Form Number: 6-78780 NA)
CHAPTER42
TROUBLESHOOTING (HYDRAULIC SYSTEM)
Table of Contents .......................................................................... 42-1
(Book/Form Number: 6-78790 NA)
CHAPTER43
TROUBLESHOOTING (ELECTRICAL SYSTEM)
Table of Contents .......................................................................... 43-1
(Book/Form Number: 6-78800 NA)
CHAPTER44
TROUBLESHOOTING (ENGINE)
Table of Contents .......................................................................... 44-1
(Book/Form Number: 6-78810 NA)
SECTION 5
ENGINE
II
Table of Contents .................................................................... I
(Book/Form Number: 6-78820 NA)
CHAPTER51
THIS MANUAL EXPLAINS THE ENGINE PROPER AND IS FAITHFUL TO
YANMAR DIESEL ENGINE'S SERVICE MANUALS.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
(Book/Form Number: 6-78580 NA)
Issued 1-05 Bur 6-78610NA
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II
I\EW HOLLAN)
SHOP MANUAL -SECTION 1
EHSO.B
HYDRAULIC EXCAVATORS
STANDARD SPECIFICATIONS
AND MAINTENANCE
Issued January, 2005
Book/Form Number 6-78620
NA
Copyright© 2005. CNH America, LLC. All Rights Reserved.
Printed
in U.S.A. • Bur
Source Code No. S5PJ0010E01-KO01
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SECTION 1 - STANDARD SPECIFICATIONS AND MAINTENANCE
CNH America, LLC reserves the right to make improvements in design or changes in specifications at anytime without incurring any
obligation to install them on units previously sold.
All data given in this publication is subject to production variations. Dimensions and weights are only approximate. Illustrations do
not necessarily show products
in standard condition. For exact information about any particular product, please consult your Dealer
Revision History
Issue Issue Date Applicable Machines Remarks
First Edition August, 2004 EH50.B: PJ04-03001 S5PJ0210E01 (Section 1 title page)
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CHAPTER 1
SECTION 1 - HYDRAULIC, ELECTRICAL, AND COMPONENT SYSTEMS
CHAPTER O- COMPONENTS SYSTEM
SECTION 1
STANDARD SPECIFICATIONS AND MAINTENANCE
TABLE OF CONTENTS
GENERAL INFORMATION AND SAFETY
TABLE OF CONTENTS ............................................................... 1-1
1.1 General Safety Information ........................................................ 1-3
1.2 Safety Precautions
............................................................... 1-4
1.3 General Precautions for Repairs
.................................................... 1-6
1.4 International Unit Conversion System
................................................ 1-9
CHAPTER 2
SPECIFICATIONS
TABLE OF CONTENTS ............................................................... 2-1
2.1 Components Name .............................................................. 2-3
2.2 Machine Dimensions
............................................................. 2-4
2.3 Specifications and Performance
.................................................... 2-5
2.4 Machine and Components Weights (Dry)
............................................. 2-6
2.5 Transportation
.................................................................. 2-7
2.6 Type of Track Shoes
............................................................. 2-9
2.7 Type of Bucket.
................................................................. 2-9
2.8 Engine Specifications
........................................................... 2-10
CHAPTER3
ATTACHMENT DIMENSIONS
TABLE OF CONTENTS ............................................................... 3-1
3.1 Boom ......................................................................... 3-3
3.2 Arm
.......................................................................... 3-8
3.3 Bucket
....................................................................... 3-13
3.4 Dozer
........................................................................ 3-15
3.5 Swing
........................................................................ 3-18
CHAPTER 11
TOOLS
TABLE OF CONTENTS .............................................................. 11-1
11.1 Torque Specifications for Capscrews and Nuts ....................................... 11-3
11 .2 Screw and Tool Sizes .......................................................... 11-5
11.3 Torque Specifications for Joints and Hoses
......................................... 11-6
11.4 Torque Specifications for Sleeve Type Tube Fittings
.................................. 11-7
11.5 Plugs
....................................................................... 11-8
11.6 Special Spanners for Tubes
.................................................... 11-10
11.7 Special Tools
................................................................ 11-11
11.8 Application of Screw Locking and Sealing Compounds ............................... 11-11
11.9 Counterweight Lifting Jig ....................................................... 11-12
11.1 O Upper Frame Lifting Jig ....................................................... 11-13
CHAPTER12
STANDARD MAINTENANCE TIME TABLE
TABLE OF CONTENTS .............................................................. 12-1
12.1 Working Standards for Time Tables ............................................... 12-3
12.2 Time Tables
.................................................................. 12-4
6-78620 NA Issued 1-05 Bur
0-1
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SECTION 1 - HYDRAULIC, ELECTRICAL, AND COMPONENT SYSTEMS
CHAPTER O- COMPONENTS SYSTEM
CHAPTER13
MAINTENANCE STANDARDS AND TEST PROCEDURES
TABLE OF CONTENTS ............................................................... 13-1
13.1 How To Use Maintenance Standards and Precautions ................................. 13-3
13.2 Performance Inspection Standard Tables
........................................... 13-4
13.3 Measuring Engine Speed
........................................................ 13-6
13.4 Measuring Hydraulic Oil Pressure
................................................. 13-8
13.5 Measuring Travel Performances
.................................................. 13-11
13.6 Measuring Slew Performances ................................................... 13-13
13.7 Measuring Attachment Operating Performances
..................................... 13-15
13.8 Measuring Slew Bearing Performances
............................................ 13-17
13.9 Measuring Track Tension
....................................................... 13-18
0-11
Issued 1-05 Bur 6-78620 NA
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SECTION 1 - STANDARD SPECIFICATIONS AND MAINTENANCE
CHAPTER 1
EHSO.B
HYDRAULIC EXCAVATORS
GENERAL INFORMATION AND
SAFETY
Issued January, 2005
Book/Form Number 6-78630
NA
Copyright© 2005. CNH America, LLC. All Rights Reserved.
Printed
in U.S.A. • Bur
Source Code No. S5PJ0010E01-KO01
Find manuals at https://best-manuals.com

SECTION 1 - STANDARD SPECIFICATIONS AND MAINTENANCE
CHAPTER 1 - GENERAL INFORMATION AND SAFETY
CNH America, LLC reserves the right to make improvements in design or changes in specifications at anytime without incurring any
obligation to install them on units previously sold.
All data given in this publication is subject to production variations. Dimensions and weights are only approximate. Illustrations do
not necessarily show products
in standard condition. For exact information about any particular product, please consult your Dealer
Revision History
Issue I Issue Date I Applicable Machines I Remarks
First Edition I August, 2004 I EH50.B:
PJ04-03001-
I S5PW0106E01 (CNH North America) I KE
1-11
Issued 1-05 Bur 6-78630 NA
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SECTION 1 - STANDARD SPECIFICATIONS AND MAINTENANCE
CHAPTER 1
GENERAL INFORMATION AND SAFETY
TABLE OF CONTENTS
1.1 GENERAL SAFETY INFORMATION
1.2 SAFETY PRECAUTIONS
1.3 GENERAL PRECAUTIONS FOR REPAIRS
1.3.1 Preparation Before Disassembling ..................................................... 1-6
1.3.2 Safety
In Disassembling and Assembling ............................................... 1-6
1.3.3 Disassembling and Assembling Hydraulic Equipment
...................................... 1-6
1.3.4 Electrical Equipment
................................................................ 1-7
1.3.5 Hydraulic Parts
.................................................................... 1-8
1.3.6 Welding Repair
.................................................................... 1-8
1.3.7 Environmental Protection
............................................................ 1-8
1.4 INTERNATIONAL UNIT CONVERSION SYSTEM
Introduction
........................................................................... 1-9
6-78630 NA Issued 1-05 Bur
1-1
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1-2
SECTION 1 - STANDARD SPECIFICATIONS AND MAINTENANCE
CHAPTER 1 - GENERAL INFORMATION AND SAFETY
NOTES
Issued 1-05 Bur 6-78630 NA
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