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Summary of Contents for New Holland E45B SR
- Page 1 SERVICE MANUAL E45B SR / E50B SR / E55B Mini Excavator Part number 47574277B English March 2014 Copyright © 2014 CNH Industrial Italia S.p.A. All Rights Reserved.
- Page 2 SERVICE MANUAL E45B SR E50B SR E55B 47574277B 24/03/2014...
- Page 3 Contents INTRODUCTION Engine..................10 [10.001] Engine and crankcase ............. 10.1 [10.102] Pan and covers .
- Page 4 [35.738] Excavator and backhoe bucket hydraulic system ....... . 35.12 [35.360] Hammer and rotating bucket hydraulic system .
- Page 5 [84.114] Boom pivoting support ............. 84.1 [84.910] Boom .
- Page 6 INTRODUCTION 47574277B 24/03/2014...
- Page 7 Contents INTRODUCTION Foreword - Important notice regarding equipment servicing ........3 Safety rules .
- Page 8 Some information could not be updated due to modifications of a technical or commercial type, or changes to the laws and regulations of different countries. In case of questions, refer to your NEW HOLLAND CONSTRUCTION Sales and Service Networks. 47574277B 24/03/2014...
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Page 9: Safety Rules
INTRODUCTION Safety rules Personal safety This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible death or injury. Throughout this manual you will find the signal words DANGER, WARNING, and CAUTION followed by special in- structions. -
Page 10: Personal Safety
INTRODUCTION Personal safety NOTICE: The proper and safe lubrication and maintenance for this machine, recommended by Manufacturer, are outlined in the OPERATOR’S MANUAL for the machine. Improper performance of lubrication or maintenance procedures are dangerous and could result in injury or death. Read and understand the MANUAL before performing any lubrication or maintenance. - Page 11 INTRODUCTION 15. Repairs which require welding should be performed only with the benefit of the appropriate reference informa- tion and by personnel adequately trained and skilled in welding procedures. Determine the type of metal being welded and select the correct welding procedure and electrodes, rods or wires to provide a metal weld strength at least equivalent to that of the parent metal.
- Page 12 INTRODUCTION General precautions for repairs Preparation before disassembling 1. Understanding operating procedure Read OPERATION AND MAINTENANCE MANUAL carefully to understand the operating procedure. 2. Cleaning machines Remove soil, mud, and dust from the machine before carrying it into the service shop to prevent loss of work efficiency, damage of parts, and difficulty in rust prevention and dust protection while reassembling.
- Page 13 INTRODUCTION Disassembling and assembling hydraulic equipment 1. Removing hydraulic equipment 1. Before disconnecting pipes, release the hydraulic pressure of the system, or open the return side cover and take out the filter. 2. Carefully drain oil of the removed pipes into a containers without spilling on the floor. 3.
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Page 14: Electrical Equipment
INTRODUCTION NOTICE: Operation of the hydraulic equipment without filling hydraulic oil or lubricant or without performing air bleeding will result in damage to the equipment. 3. Perform air bleeding of the hydraulic pump and slewing motor after loosening the upper drain plug, starting the engine and keep it in low idle condition. - Page 15 INTRODUCTION Hydraulic parts 1. O-ring • Ensure O-rings have elasticity and are not damaged before use. • Use the appropriate O-rings. O-rings are of different kinds and made of different materials, and they have a different hardness to be applied to a variety of parts, such as moving or fixed parts, subject to high pressure and exposed to corrosive fluids, even if their size is same.
- Page 16 INTRODUCTION Torque Torque specifications for capscrews and nuts The following torque specifications are indicated in case the actual torque value of a fastener is unknown. Check the capscrews and nuts for their looseness and dropping off before the start of daily work and at the periodical main- tenance.
- Page 17 INTRODUCTION Metric coarse thread standard tightening torque values. Be certain to tighten all capscrews and nuts to proper torque values Classifi- 4.8T 10.9T cation Nominal dimen- No lubrication Oil lubrication No lubrication Oil lubrication No lubrication Oil lubrication sion 3.9 - 4.9 N·m 7.3 - 8.9 N·m 15.6 - 19.2 N·m 13.2 - 16.2 N·m...
- Page 18 INTRODUCTION Metric coarse thread standard tightening torque values. Be certain to tighten all capscrews and nuts to proper torque values Classifi- 4.8T 10.9T cation Nominal dimen- No lubrication Oil lubrication No lubrication Oil lubrication No lubrication Oil lubrication sion 10.2 - 8.5 - 10.5 N·m 22.5 - 26.5 N·m 18.6 - 22.6 N·m...
- Page 19 INTRODUCTION Application of screw locking and sealing compounds Service Features Low strength ® 242 OCTITE Middle strength Screw locking compound ® 262 OCTITE ® 271 High strength OCTITE Sealing compound ® 515 Sealing OCTITE Screw and tool sizes Edge bolt Nominal Nominal screw...
- Page 20 INTRODUCTION Torque specifications for joints and hoses Joints for piping (with O-ring) Nominal screw Tightening Wrench size size (PF) torque 17 N·m (12.5 lb ft) ± 2 N·m 14 mm (1.5 lb ft) 36 N·m (26.6 lb ft) ± 2 N·m 19 mm (1.5 lb ft) 74 N·m (54.6 lb...
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