Hitachi ZW100-G, ZW120-G Wheel Loader Operational Principle Technical Service Manual
314 pages · Publication TO4FK-E-00
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What's inside
From the manual's own table of contents: 3 sections, 94 entries. See sample pages (PDF, 537 KB)
GENERAL20 topics
- Specifications
- (Upperstructure)
- (Travel System)
- Electrical System (Overview)
- Electrical System (Relay and Others)
- Electrical System (In Canopy)
- Electrical System (In Cab)
- Electrical System (Relays)
- Front Console (In Canopy)
- Front Console (In Cab)
- Monitor Panel
- Engine
- Pump Device
- Transmission
- Control Valve
- Priority Valve
- Engine Accessories
- Hydraulic Component
- Filter
- Electrical Component
SYSTEM42 topics
- Outline
- Can (Network Provided for Machine)
- MC: Main Controller
- ECM: Engine Control Module
- ICF: Information Controller
- Monitor Unit
- HST Brake
- HST Pump Control
- Forward/Reverse Lever Control
- HST Motor Control
- Prevention Control
- Matching Control
- Overrunning Control
- Engine Protection Control
- Coolant Temperature Control
- Transmission Control
- Slow Travel Speed Selection Control
- Other Controls
- HST Failure Warning Control
- Warning Control
- Engine Start Control
- Engine Failure Warning Control
- Engine Oil Pressure Warning Control
- Overheat Warning Control
- Main Circuit
- Steering Circuit
- HST Circuit
- Transmission Circuit
- Circuit (Key Switch: ON)
- Preheat Circuit (Key Switch: ON)
- (Key Switch: START)
- Charging Circuit (Key Switch: ON)
- Serge Voltage Prevention Circuit
- Engine Stop Circuit
- Lamplight Circuit
- Light Lighting Circuit
- Working Light Circuit
- Turn Signal Circuit
- Brake Light Circuit
- Hazard Light Circuit
- Horn Circuit
- Parking Brake Circuit
COMPONENT OPERATION29 topics
- HST Pump
- Cylinder
- Da Valve
- Solenoid Valve
- Cutoff Valve
- High-PressureRelief Valve
- Low-PressureRelief Valve
- HST Charging Pump
- Charging Pump
- Hydraulic Circuit
- Main Relief Valve
- (With Make-Up Function)
- Operation
- Structure
- Travel Motor
- Regulator
- Valve
- Travel Control Solenoid Valve
- Flushing Valve
- Parking Brake
- Travel Mode Selector Valve
- Accumulator
- Differential
- Torque Proportioning Differential (TPD)
- (Optional)
- Brake(Service Brake)
- Final Drive/Axle Shaft
- Inching Valve
- Propeller Shaft
Inside this manual
Real pages from this operational principle technical service manual (300 pages). Open the sample pages (PDF, 537 KB)
- Specifications, page 27: GENERAL / Component Specifications
- Diagram, page 231: COMPONENT OPERATION / Control Valve
- Color page, page 131: SYSTEM / Hydraulic System
- Color page, page 145: SYSTEM / Hydraulic System
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the ZW100-G, ZW120-G are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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Manual types
This manual is a operational principle technical service manual. For reference, the three main 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, 314 pages
Quantity one is the manual described above.
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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.
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).