Sumitomo SH75X-3B Hydraulic Excavator Service Text Manual – PDF DOWNLOAD
FILE DETAILS:
Sumitomo SH75X-3B Hydraulic Excavator Service Text Manual – PDF DOWNLOAD
Language : English
Pages : 216
Downloadable : Yes
File Type : PDF
Size: 26 MB
TABLE OF CONTENTS:
Sumitomo SH75X-3B Hydraulic Excavator Service Text Manual – PDF DOWNLOAD
Main body Section
Specifications
Overall 1
1 Main Data 1
2 Performance 1
3 Main Unit Dimensions 1
4 Engine 2
5 Cooling System 2
6 Upper Side Work System 3
7 Operating Device 4
8 Swing Units 4
9 Travel Lower Body 5
Hydraulic Equipment 6
1 Hydraulic Device 6
2 Control Valve, Cylinder 6
Capacities, Filters 7
1 Coolant and Oil Capacities 7
2 Hydraulic Oil Filters 7
Complete Machine Dimensions Diagrams
Overall View (SH75X-3B Mono-boom) 9
1 Standard Arm (1 71 m) 9
2 Long Arm (2 12 m) 9
Overall View (SH75X-3B Offset-boom) 10
1 Standard Arm (1 75 m) 10
2 Long Arm (2 10 m) 10
Work Range Diagram
Work Range Diagram (SH75X-3B Mono-boom) 13
1 Standard Arm (1 71 m) 13
2 Long Arm (2 12 m) 14
Work Range Diagram (SH75X-3B Offset-boom) 15
1 Standard Arm (1 75 m) 15
2 Long Arm (2 12 m) 17
Standard Machine Option List
List of Optional Components 19
Overall View
Equipment Layout 20
Overall 20
Operator’s Cab 21
1
AST-15-00-001EN 2
Table of Contents
Main Equipment Table
Lower Assembly Diagram (overall) 22
1 SH75X-3B (Mono-boom / Offset-boom) 23
Lower Component 24
1 Travel Unit 24
2 Take-up Roller 24
3 Upper Roller 24
4 Lower Roller 24
5 Recoil Spring 25
6 Shoe 25
Upper Component 26
1 Swing Unit 26
Engine-related 27
1 Engine 27
2 Muffler 28
3 Air Cleaner (double element) 28
4 Radiator 28
Fuel Tank 29
Hydraulic Oil Tank 31
Hydraulic Device 33
1 Hydraulic Pump 33
Control-related 35
1 Control Valve 35
2 Solenoid Valve (3 stack) 35
3 Remote Control Valve 36
4 Remote Control Valve Characteristic Diagram 38
5 Center Joint 41
Backhoe Attachment 42
1 Cylinder 42
2 Attachments 44
2
Table of Contents
3 AST-15-00-001EN
Hydraulic Section
Hydraulic pump
Operation Explanation 1
1 Structure and Operation Principles 1
2 Flow Control 3
Control valve
Operation 5
1 When All Spools in Neutral 5
2 Independent Operation 8
3 Compound Operation 21
4 Relief Valve 22
Swing unit
Swing Motor 24
Explanation of Functions and Operations 24
Reverse Prevention Valve 32
1 Summary 32
2 Operation Explanation 32
Travel unit
Motor 37
1 Travel Motor 37
3
AST-15-00-001EN 4
Table of Contents
Hydraulic Circuit Section
Port Locations
Hydraulic Pump (Mono-boom / Offset-boom) 2
Control Valve (Mono-boom) 3
Control Valve (Offset-boom) 4
Control Valve (Mono-boom) 6
Control Valve (Offset-boom) 7
Pilot Hose Connection Diagram
Pilot P and T Lines (Mono-boom) 8
Pilot P and T Lines (Offset-boom) 10
Pilot Control Line (Mono-boom) 12
Pilot Control Line (Offset-boom) 14
Explanation of Functions
Function Table 16
Control Valve Structure Table 17
Travel Circuit
Travel High-speed Circuit 18
Travel Low-speed Circuit 20
Straight Travel Circuit (during boom-up + forward travel) 22
Swing Circuit
Swing Parking Circuit 24
Swing Priority Orifice Circuit 26
Arm Circuit
Arm-in, Arm-out 2 Pumps Circuit 28
Boom Circuit
Boom-up 2 Pumps Circuit 30
Boom-down Load Holding Valve Circuit 32
Option Circuits
Breaker and Crusher Circuits (2 pumps flow crusher circuit) 34
Breaker and Crusher Circuits (option line holding valve) 36
Breaker and Crusher Circuits (breaker circuit) Rear Small Swing Machine 37
Option Double-acting Circuit (ultra-small swing machine) 39
2nd Option Double-acting Circuit (rear small swing machine) 41
4
Table of Contents
5 AST-15-00-001EN
Electric Circuits Section
Operation explanation
Monitor Display 1
Monitor Switch Panel 1
Function List 2
1 Engine Start Control 3
2 Engine Control 4
3 Monitor Output Control 11
4 Monitor Display Control 18
Electrical Circuit Diagram
Electrical Circuit Diagram 23
Air Conditioner 25
Interference Prevention 27
Liftcrane Specifications 29
Harness Diagram
Upper Frame 31
Frame Main Wire Harness 31
In Cab 33
Cab Main Wire Harness 33
Electrical Wiring Diagrams
Electrical Parts and Wiring Assembly (frame) 35
Electrical Parts and Wiring Assembly (engine) 37
Electrical Parts and Wiring Assembly (battery) 39
Electrical Parts and Wiring Assembly (cab) 40
Air Conditioner (frame) 42
Air Conditioner (in cab) 44
5
AST-15-00-001EN 6
Table of Contents
Maintenanse section
New Machine Performance
New Machine Performance Judgment Table 1
Performance Judgment Check Sheet 1
Performance Measurement Entry Table 2
Pressure Measurement and Adjustment Procedures
Pressure Measurement 3
1 Basic Conditions 3
2 Setting Value 3
3 Pressure Measuring Ports 4
4 Pressure Measurement Preparations 5
5 Pressure Measurement 7
Pressure Adjustment 9
1 Pressure Adjustment Location 9
Air Bleed Procedures 12
Interchangeability
Main Part Commonality and Interchangeability Table 13
SH75X-3 Mono-boom and SH75X-3B Mono-boom 13
SH75XU-3 Offset-boom and SH75X-3B Offset-boom 15
Attachment Installation Dimensions
Attachment Dimensions 17
Reassembly Methods for Other Company Operation
Reassembly Methods for Other Company Operation 19
Steel Bushing and Rubber Shoe Installation Dimensions
For Steel Crawler 21
Rubber Crawler 22
Main Unit Weight
Divided Weight (standard specifications) 23
Stand Alone Part Weight 24
Shoe Weight (per side) 24
Arm Weight 24
Bucket Weight 25
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