New Holland Hydraulic Excavator E50 Service Repair Manual (87360588na) – NH Hydraulic Excavator E50 – PDF Download

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New Holland Hydraulic Excavator E50 Service Repair Manual (87360588na) – NH Hydraulic Excavator E50

File Details:

New Holland Hydraulic Excavator E50 Shop Manual_87360588na
Size: 55.4 MB
Format: PDF
Language: English
Number of Pages: 559 pages
Brand: New Holland
Type of document: Shop Manual
Model: E50
Part No: 87360588na

NEW HOLLAND HYDRAULIC EXCAVATOR E50 SERVICE REPAIR MANUAL (87360588NA) – NH HYDRAULIC EXCAVATOR E50 – PDF DOWNLOAD:

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New Holland Hydraulic Excavator E50 Service Repair Manual (87360588na) – NH Hydraulic Excavator E50

• The serviceman may be unfamiliar with many of the systems on this machine. This makes it important to use caution when performing service work. A knowledge of the system and or components is important before the removal or disassembly of any component.
• Because of the size of some of the machine components, the serviceman should check the weights noted in this manual. Use proper lifting procedures when removing any components. Weight of components table is shown in the SPECIFICATIONS section.
• The following is a list of basic precautions that must always be observed.
• 1. Read and understand all Warning plates and decals on the machine before Operating, Maintaining or Repairing machine.
• 2. Always wear protective glasses and protective shoes when working around machines. Wear protective glasses when using hammers, punches or drifts on any part of the machine or attachments. Use welders gloves, hood/goggles, apron and the protective clothing appropriate to the welding job being performed. Do not wear loose fitting or torn clothing. Remove all rings from fingers, loose jewelry, confine long hair and loose clothing before working on this machinery.
• 3. Disconnect the battery and hang a “Do Not Operate” tag in the Operators Compartment. Remove ignition keys.
• 4. If possible, make all repairs with the machine parked on a level, hard surface. Block the machine so it does not roll while working on or under the machine. Hang a “Do Not Operate” tag in the Operators Compartment.
• 5. Do not work on any machine that is supported only by jacks or a hoist. Always use blocks or jack stands capable of supporting the machine.

Table Of Contents:

New Holland Hydraulic Excavator E50 Service Repair Manual (87360588na) – NH Hydraulic Excavator E50

CHAPTER 1
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
CHAPTER 3
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
11.10 Upper Frame Lifting Jig 11-13
CHAPTER 12
STANDARD MAINTENANCE TIME TABLE
TABLE OF CONTENTS 12-1
12.1 Working Standards for Time Tables 12-3
12.2 Time Tables 12-4
CHAPTER 13
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

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