Hitachi ZX27U, ZX30U, ZX35U Excavator Workshop Service Manual
435 pages · Publication ZX27U-30U-35U-WM
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What's inside
From the manual's own table of contents: 5 sections, 87 entries. See sample pages (PDF, 266 KB)
GENERAL INFORMATION6 topics
- Assembling
- Tightening Torque Specification
- Torque Chart
- Piping Joint
- Painting
- Bleed Air from Hydraulic Oil Tank
UPPERSTRUCTURE20 topics
- Remove and Install Canopy
- Counterweight
- Pump Device
- Disassemble Pump Device (27u)
- Assemble Pump Device (27u)
- Maintenance Standard
- Control Valve
- Swing Device
- Reduction Gear
- Disassemble Swing Motor
- Assemble Swing Motor
- Maintenance Standards
- Remove and Install Pilot Valve
- Disassemble Travel Pilot Valve
- Assemble Travel Pilot Valve
- Disassemble Front Pilot Valve
- Assemble Front Pilot Valve
- Pilot Valve
- Remove and Install Solenoid Valve
- Solenoid Valve
UNDERCARRIAGE20 topics
- Remove and Install Swing Bearing
- Remove and Install Travel Device
- Disassemble Travel Device (27u)
- Assemble Travel Device (27u)
- Disassemble Travel Motor (27u)
- Assemble Travel Motor (27u)
- Disassemble Brake Valve (27u)
- Assemble Brake Valve (27u)
- Assemble Travel Device (30u, 35u)
- Remove and Install Center Joint
- Disassemble Center Joint
- Assemble Center Joint
- Remove and Install Track Adjuster
- Disassemble Track Adjuster
- Assemble Track Adjuster
- Remove and Install Front Idler
- Disassemble and Assemble Front Idler
- Remove and Install Lower Roller
- Lower Roller
- Remove and Install Rubber Crawler
FRONT ATTACHMENT9 topics
- Remove and Install Front Attachment
- Remove and Install Cylinders
- Disassemble Boom Cylinder
- Assemble Boom Cylinder
- Disassemble Arm Cylinder
- Assemble Arm Cylinder
- Disassemble Bucket Cylinder
- Assemble Bucket Cylinder
- and Blade Cylinder
ENGINE27 topics
- GENERAL REPAIR INSTRUCTION
- OF THIS MANUAL
- APPEARANCE
- MAIN DATA AND SPECIFICATIONS
- TIGHTENING TORQUE SPECIFICATIONS
- TIGHTENING METHOD
- MAJOR COMPONENTS
- GASKET LOCATION
- MAINTENANCE
- RECOMENDED LUBRICATION OIL
- DISASSEMBLY
- INSPECTION AND REPAIR
- REASSEMBLY
- SYSTEM DIAGRAM
- OIL PUMP
- WATER PUMP
- THERMOSTAT
- FUEL CIRCULATION SYSTEM DIAGRAM
- GOVERNOR
- NOZZLE HOLDER ASSEMBLY
- LENGTH
- AREA
- VOLUME
- MASS
- PRESSURE
- TORQUE
- TEMPERATURE
Inside this manual
Real pages from this workshop service manual (434 pages). Open the sample pages (PDF, 265 KB)
- Troubleshooting, page 230: UNDERCARRIAGE / Front Idler
- Specifications, page 248: FRONT ATTACHMENT / Front Attachment
This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 435 pages
Quantity one is the manual described above.
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Ships in 1 business day.
60-day returns
Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy
Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).