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E55B TIER 4 SERVICE MANUAL contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your machine. This document is printable, without restrictions, contains searchable text and bookmarks for easy navigation.
GENERAL SAFETY INFORMATİON
SAFETY PRECAUTIONS
SPECIFICATIONS
GENERAL PRECAUTIONS FOR REPAIRS ………………………………………………..1-3
1.1.1 PREPARATION BEFORE DISASSEMBLING ……………………………………….1-3
1.1.2 SAFETY IN DISASSEMBLING AND ASSEMBLING ……………………………..1-3
1.1.3 DISASSEMBLING AND ASSEMBLING HYDRAULIC EQUIPMENT ……….1-4
1.1.4 ELECTRICAL EQUIPMENT ………………………………………………………………1-6
1.1.5 HYDRAULIC PARTS …………………………………………………………………………1-7
1.1.6 WELDING REPAIR …………………………………………………………………………..1-7
1.1.7 ENVIRONMENTAL MEASURE ………………………………………………………….1-7
1.2 INTERNATIONAL UNIT CONVERSION SYSTEM (Based on MARKS’ STANDARD
HANDBOOK FOR MECHANICAL ENGINEERS) …………………………………………1-8
MAINTENANCE
11.1 TORQUE SPECIFICATIONS FOR CAPSCREWS & NUTS ………………………… 11-3
11.1.1 Metric Coarse Thread Standard Tightening Torque Values.
Make Certain to tighten all Capscrews & Nuts to proper torque values. … 11-3
11.1.2 Metric Fine Thread Standard Tightening Torque values.
Make certain to tighten all Capscrews & Nuts to proper torque values. …. 11-4
11.2 SCREW AND TOOL SIZES ……………………………………………………………………. 11-5
11.2.1 CAPSCREW …………………………………………………………………………………. 11-5
11.2.2 CAPSCREW (SOCKET BOLT) ………………………………………………………… 11-5
11.3 TORQUE SPECIFICATIONS FOR JOINTS AND HOSES ………………………….. 11-6
11.3.1 JOINTS FOR PIPING (O-RING SEALING TYPE) ………………………………. 11-6
11.3.2 HYDRAULIC HOSE (30 DEG. FLARE TYPE) ……………………………………. 11-6
11.4 TORQUE SPECIFICATIONS FOR SLEEVE TYPE TUBE FITTINGS …………… 11-7
11.4.1 SLEEVE TYPE TUBE FITTINGS …………………………………………………….. 11-7
11.4.2 PART NO. …………………………………………………………………………………….. 11-7
11.5 PLUGS ………………………………………………………………………………………………… 11-8
11.5.1 PLUG FOR HYDRAULIC PIPE JOINT ……………………………………………… 11-8
11.5.2 PLUG FOR HYDRAULIC EQUIPMENT ……………………………………………. 11-9
11.6 SPECIAL SPANNERS FOR TUBES ………………………………………………………… 11-10
11.7 SPECIAL TOOLS ………………………………………………………………………………….. 11-11
11.8 APPLICATION OF SCREW LOCKING AND SEALING COMPOUNDS ………… 11-12
11.9 COUNTERWEIGHT LIFTING JIG …………………………………………………………… 11-13
11.10UPPER FRAME LIFTING JIG …………………………………………………………………. 11-14
SYSTEM
22.1 SUMMARY ……………………………………………………………………………………………22-3
22.1.1 FUNCTION AND FEATURES OF HYDRAULIC CIRCUIT …………………… 22-3
22.2 HYDRAULIC CIRCUITS AND COMPONENT MODELS …………………………….. 22-4
22.2.1 STANDARD SPECIFICATION …………………………………………………………. 22-5
22.2.2 N&B (PROPORT.H/C) SPECIFICATION …………………………………………… 22-6
22.2.3 AIR-CONDITIONER SPECIFICATION ……………………………………………… 22-7
22.3 HYDRAULIC CIRCUIT OPERATION ……………………………………………………….22-8
22.3.1 COLOR CODING STANDARD FOR HYDRAULIC ……………………………… 22-8
22.3.2 NEUTRAL CIRCUIT ………………………………………………………………………. 22-8
22.3.3 TRAVEL OPERATING CIRCUIT ………………………………………………………22-10
22.3.4 SLEW OPERATING CIRCUIT …………………………………………………………. 22-12
22.3.5 BUCKET OPERATING CIRCUIT ……………………………………………………… 22-14
22.3.6 BOOM OPERATING CIRCUIT ………………………………………………………… 22-16
22.3.7 ARM OPERATING CIRCUIT …………………………………………………………… 22-18
22.3.8 SWING OPERATING CIRCUIT ……………………………………………………….. 22-20
22.3.9 DOZER OPERATING CIRCUIT ……………………………………………………….. 22-22
22.3.10 TRAVEL / DOZER COMBINED OPERATING CIRCUIT ……………………… 22-24
22.3.11 TRAVEL / BOOM COMBINED OPERATING CIRCUIT ………………………..22-26
22.3.12 NIBBLER & BREAKER OPERATING CIRCUIT …………………………………. 22-28
22.3.13 AIR-CONDITIONER CIRCUIT …………………………………………………………. 22-30
22.4 SCHEMATIC PIPING FOR HYDRAULIC SYSTEM ……………………………………. 22-32
DISASSEMBLY
31.1 GENERAL DISASSEMBLY AND ASSEMBLY ……………………………………………31-3
31.1.1 CONTENTS OF GENERAL DISASSEMBLY AND ASSEMBLY ……………. 31-3
31.1.2 SPECIFICATION OF TIGHTENING TORQUE ……………………………………31-3
TROUBLESHOOTING
42.1 GENERAL PRECAUTIONS …………………………………………………………………….42-3
42.1.1 CONFIRM ACTUAL TROUBLED CONDITIONS AT SITE ……………………42-3
42.2 TROUBLE DIAGNOSIS : HYDRAULIC ……………………………………………………..42-5
42.3 TROUBLESHOOTING ……………………………………………………………………………42-6
42.3.1 ATTACHMENT ……………………………………………………………………………….42-6
42.3.2 TRAVEL OPERATION …………………………………………………………………….42-8
42.3.3 SLEWING OPERATION ………………………………………………………………….42-10
42.3.4 PUMP ……………………………………………………………………………………………42-11
ENGİNE