Description
Sumitomo SH75X-6A Hydraulic Excavator Service Manual (WLSM0756-00T)
Sumitomo SH75X-6A Hydraulic Excavator Index:
Excavator
Safety
Safety, general information and standard torque data
General Information
Standard Torque Data For Cap Screws And Nuts
Specifications And Special Torque Settings
Abbreviation
Specifications
Specifications
Main Equipment Table
Overall View
WORK RANGE DIAGRAM
Main Unit Weight
FLUIDS AND LUBRICANTS
Circuits and Operation explanation
Main Equipment Structure and Operation Explanation
Hydraulic Pump
Travel Motor
Swing Motor
3 Stack Solenoid Valve Operation Explanation
Upper Pilot Valve (remote control valve)
Travel Pilot Valve (remote control valve)
Blade Pilot Valve (remote control valve)
Option Pilot Valve (remote control valve)
Cushion Valve
Reverse Prevention Valve
2 Stack Solenoid Valve
Direction Valve (3-direction) (option)
Shut-off Valve
HBCV
Engine Summary
Hydraulic Equipment Layout
Overall View
Port Diagram
Hydraulic Device
Electrical and Engine Functions and Service Support
Basic Functions
Service Support
Maintenance precautions
Electrical Equipment Layout Diagram
Connection Connector Pin Layout
Sequence Circuit Diagram
Removal / Installation and Assembly / Disassembly
Pressure Bleeding Operations
Removal and Installation of Track
Removal and Installation of Shoe Assembly
Removal and Installation of Shoe Plate
Removal and Installation of Roller
Removal and Installation of Upper Roller
Assembly and Disassembly of Upper Roller
Removal and Installation of Lower Roller
Assembly and Disassembly of Lower Roller
Removal and Installation of Drive Sprocket
Removal and Installation of Take-up Roller
Assembly and Disassembly of Take-up Roller
Removal and Installation of Grease Cylinder
Assembly and Disassembly of Tension Shock Absorber
Removal and Installation of Center Joint
Assembly and Disassembly of Center Joint
Removal and Installation of Travel Motor
Assembly and Disassembly of Travel Motor
Removal and Installation of Swing Unit
Assembly and Disassembly of Swing Motor
Assembly and Disassembly of Swing Unit
Removal and Installation of Hydraulic Pump
Removal and Installation of Pump Coupling
Procedures for Assembly and Disassembly of Hydraulic Pump Main Unit
Pump Main Unit Maintenance Standards
Removal and Installation of Control Valve
Procedures for Assembly and Disassembly of Control Valve
Removal and Installation of Engine Assembly
Removal and Installation of Fuel Cooler, Engine Intercooler, Radiator, and Oil Cooler
Removal and Installation of Turbocharger assembly
Removal and Installation of EGR Valve
Removal and Installation of Engine Hood
Removal and Installation of Muffler
Removal and Installation of Cylinder Head Cover
Removal and Installation of Idle gear
Removal and Installation of Cylinder Block
Lubrication System
Cooling System
Disassembly, Removal and Installation of Crankshaft
Disassembly, Removal and Installation of Piston
Removal and Installation of Camshaft
Removal and Installation of Flywheel
Removal and Installation of Crankshaft front oil seal
Removal and Installation of Crankshaft rear oil seal
Removal and Installation of Rocker arm shaft
Removal and Installation of Valve spring
Removal and Installation of Valve stem oil seal
Removal and Installation of Intake chamber
Removal and Installation of Integrated oxidation catalyst silencer
Removal and Installation of Generator
Removal and Installation of Exhaust Manifold
Removal and Installation of Fuel Supply Pump
Removal and Installation of Common Rail Assembly
Removal and Installation of Injector
Removal and Installation of Starter Motor
Removal and Installation of Alternator
Preheating System
Introduction to the trouble diagnosis
Removal and Installation of Fuel Tank
Removal and Installation of Hydraulic Tank
Removal and Installation of Pilot Blocs
Removal and Installation of Travel Remote Control Valve
Procedures for Assembly and Disassembly of Travel Remote Control Valve
Removal and Installation of Option Remote Control Valve
Assembly and Disassembly Procedures of Option Remote Control Valve
Removal and Installation of Operation Remote Control Valve
Procedures for Assembly and Disassembly of Operation Remote Control Valve
Removal and Installation of Blade Remote Control Valve
Assembly and Disassembly Procedures
Removal and Installation of 3 Stack Solenoid
Removal and Installation of Cushion Valve
Assembly and Disassembly of Cushion Valve
Removal and Installation of Operator’s Seat
Removal/installation of the KAB Seat
Removal and Installation of Cab Assembly
Removal and Installation of Wiper
Removal and Installation of Wiper Controller
Removal and Installation of Wiper Motor
Removal and Installation of ECM
Removal and Installation of Computer A
Removal and Installation of Computer B
Removal and Installation of Monitor
Removal and Installation of Cab Front Glass
Window Lock Adjustment Procedures
Tightening torque
Removal and Installation of Counterweight
Removal and Installation of Bucket
Removal and Installation of Bucket Link
Removal and Installation of Arm
Removal and Installation of Boom
Removal and Installation of Blade
Removal and Installation of Bucket Cylinder
Removal and Installation of Arm Cylinder
Removal and Installation of Boom Cylinder
Removal and Installation of Blade Cylinder
Procedures for Operation/Assembly and Disassembly of Hydraulic Cylinder (made by KYB)
Removal and Installation of HBCV
List of special tools
Maintenance standards and Measurement procedures
Pressure Measurement and Adjustment Procedures
Hydraulic Pump Flow Measurement Procedures
Drain Volume Measurement Procedures
Air Bleed Procedure
Maintenance Standards
Bolt Size and Torque Table
New Machine Performance Judgment Table
Air Conditioning
Air Conditioner Overall Diagram
Assembly and Disassembly of Unit
Removal and Installation of Compressor
Removal and Installation of Condenser
Removal and Installation of Receiver Dryer
Work Precautions
Troubleshooting
Engine-side Diagnostic Trouble Code List
Main Unit-side Diagnostic Trouble Code List
Diagnostic Trouble Code Display on the Front Screen
Engine-side Trouble
Main Unit-side Trouble
Symptom
Data Reference Values
