Hitachi ZX 470-6 Workshop Manual page 7

SECTION 3
UPPERSTRUCTURE
Group 1 Cab
Removal and Installation of Cab ..............................W3-1-1-1
Dimensions of Cab Glass (Standard Cab) ..............W3-1-2-1
Dimensions of Cab Glass (H Cab) .......................... W3-1-2-20
Group 2 Counterweight
Removal and Installation of Counterweight ........W3-2-1-1
Group 3 Main Frame
Removal and Installation of Main Frame ...............W3-3-1-1
Group 4 Engine
Removal and Installation of Engine ........................W3-4-1-1
Group 8 Pump Device
Removal and Installation of Pump Device ............W3-8-1-1
Disassembly of Main Pump ........................................W3-8-2-1
Assembly of Main Pump ..............................................W3-8-2-6
Disassembly of Regulator for Main Pump .............W3-8-3-1
Assembly of Regulator for Main Pump ..................W3-8-3-3
Disassembly of Fan Pump ...........................................W3-8-4-1
Assembly of Fan Pump ................................................W3-8-4-5
Structure of Pilot Pump ...............................................W3-8-5-1
Group 9 Control Valve
Removal and Installation of Control Valve ............W3-9-1-1
Disassembly and Assembly of Housing .................W3-9-2-1
Disassembly of Control Valve 4-Spool Side ..........W3-9-3-1
Assembly of Control Valve 4-Spool Side ................W3-9-3-9
Disassembly of Control Valve 5-Spool Side ..........W3-9-4-1
Assembly of Control Valve 5-Spool Side ................W3-9-4-8
Group 10 Swing Device
Removal and Installation of Swing Device ........ W3-10-1-1
Disassembly of Swing Device ................................. W3-10-2-1
Assembly of Swing Device ...................................... W3-10-2-7
Disassembly of Swing Motor .................................. W3-10-3-1
Assembly of Swing Motor ........................................ W3-10-3-4
Group 11 Pilot Valve
Removal and Installation of Pilot Valve (Left) ... W3-11-1-1
Removal and Installation of Pilot Valve
(Right) ........................................................................ W3-11-2-1
Removal and Installation of Travel Pilot
Valve ........................................................................... W3-11-3-1
Disassembly of Pilot Valves (Right and Left) ..... W3-11-4-1
Assembly of Pilot Valves (Right and Left) ........... W3-11-4-4
Disassembly of Travel Pilot Valve ........................... W3-11-5-1
CONTENTS
Assembly of Travel Pilot Valve ................................ W3-11-5-5
Group 12 Solenoid Valve
Removal and Installation of Pilot Shut-Off
Solenoid Valve ........................................................ W3-12-1-1
Removal and Installation of 4-Spool Solenoid
Valve Unit ................................................................ W3-12-2-1
Removal and Installation of 2-Spool Solenoid
Valve Unit ................................................................. W3-12-3-1
Removal and Installation of Fan Pump Control
Solenoid Valve ........................................................ W3-12-4-1
Disassembly of Pilot Shut-Off Solenoid
Valve ........................................................................... W3-12-5-1
Assembly of Pilot Shut-Off Solenoid Valve ........ W3-12-5-3
Structure of 4-Spool Solenoid Valve Unit ........... W3-12-6-1
Structure of 2-Spool Solenoid Valve Unit ........... W3-12-7-1
Structure of Fan Pump Control Solenoid
Valve ........................................................................... W3-12-8-1
Group 13 Signal Control Valve
Removal and Installation of Signal Control
Valve ........................................................................... W3-13-1-1
Structure of Signal Control Valve .......................... W3-13-2-1
Group 14 Aftertreatment Device
Removal and Installation of Aftertreatment
Device ........................................................................ W3-14-1-1
Group 15 DEF Tank
Removal and Installation of DEF Tank ................. W3-15-1-1
Group 16 Coolant Control Valve
Removal and Installation of Coolant Control
Valve ........................................................................... W3-16-1-1
Group 17 DEF Supply Module
Removal and Installation of DEF Supply
Module ...................................................................... W3-17-1-1
Group 19 Fan Valve
Removal and Installation of Fan Valve ................. W3-19-1-1
Structure of Fan Valve ................................................ W3-19-2-1
Group 20 Fan Motor
Removal and Installation of Fan Motor ............... W3-20-1-1
Structure of Fan Motor .............................................. W3-20-2-1
Group 21 Shockless Valve
Removal and Installation of Shockless Valve .... W3-21-1-1
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