Hitachi ZAXIS 800 Excavator Service Repair Manual

Hitachi ZAXIS 800 Excavator Service Repair Manual

Hitachi ZAXIS 800 Operator Manual

Detailed Table of Contents – Technical Service Groups

Group 1: Cab

• Remove and Install Cab – W2-1-1

• Dimensions of the Cab Glass – W2-1-7

Group 2: Counterweight

• Remove and Install Counterweight – W2-2-1

Group 3: Pump Device

• Remove and Install Pump Device – W2-3-1

• Disassemble Pump Transmission – W2-3-2

• Assemble Pump Transmission – W2-3-6

• Remove and Install Main Pump – W2-3-9

• Disassemble Main Pump – W2-3-10

• Assemble Main Pump – W2-3-16

• Maintenance Standard – W2-3-20

• Disassemble Regulator – W2-3-22

• Assemble Regulator – W2-3-24

• Disassemble and Assemble Pilot Pump – W2-3-26

Group 4: Control Valve

• Remove and Install Control Valve – W2-4-1

• Disassemble Control Valve 1 – W2-4-4

• Assemble Control Valve 1 – W2

• Disassemble Control Valve 2 – W2-4-14

• Assemble Control Valve 2 – W2-4-16

• Disassemble Control Valve 3 – W2-4-18

• Assemble Control Valve 3 – W2-4-24

• Disassemble Control Valve 4 – W2-4-30

• Assemble Control Valve 4 – W2-4-32

• Disassemble Control Valve 5 – W2-4-34

• Assemble Control Valve 5 – W2-4-36

Group 5: Swing Device

• Remove and Install Swing Device – W2-5-1

• Disassemble Swing Reduction Gears – W2-5-4

• Assemble Swing Reduction Gears – W2-5-8

• Disassemble Swing Motor – W2-5-12

• Assemble Swing Motor – W2-5-16

• Disassemble and Assemble Swing Parking Brake Release Valve – W2-5-20

• Maintenance Standard – W2-5-22

Group 6: Pilot Valve

• Remove and Install Right Pilot Valve – W2-6-1

• Remove and Install Left Pilot Valve – W2-6-4

• Remove and Install Travel Pilot Valve – W2-6-7

• Disassemble Right and Left Pilot Valve – W2-6-8

• Assemble Right and Left Pilot Valve – W2-6-10

• Disassemble Travel Pilot Valve – W2-6-14

• Assemble Travel Pilot Valve – W2-6-16

Group 7: Pilot Shut-Off Valve

• Remove and Install Pilot Shut-off Valve – W2-7-1

• Disassemble Pilot Shut-off Valve – W2-7-4

• Assemble Pilot Shut-off Valve – W2-7-6

Group 8: Shockless Valve

• Remove and Install Front Attachment Shockless Valve – W2-8-1

• Disassemble and Assemble Shockless Valve (Front Attachment) – W2-8-4

• Remove and Install Travel Shockless Valve – W2-8-7

• Disassemble and Assemble Travel Shockless Valve – W2-8-10

Group 9: Solenoid Valve

• Remove and Install Two-Spool Solenoid Valve – W2-9-1

• Disassemble and Assemble Two-Spool Solenoid Valve – W2-9-3

Hitachi ZAXIS 800 Excavator Service Repair Manual

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Hitachi ZAXIS 800 Excavator Service Repair Manual