Hitachi ZW220, ZW250 Wheel Loader Troubleshooting Technical Service Manual
581 pages · Publication TT4GC-E-00
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What's inside
From the manual's own table of contents: 36 topics. See sample pages (PDF, 366 KB)
- Operational Performance Tests
- Preparation for Performance Tests
- Standard Table
- Main Pump P-Q Curve
- Sensor Activating Range
- Engine Speed
- Engine Compression Pressure
- Valve Clearance Adjustment
- Lubricant Consumption
- Travel Speed
- Service Brake Function Check
- Service Brake Wear Amount
- Parking Brake Function Check
- Clearances
- Hydraulic Cylinder Cycle Time
- Cylinder Drift Check
- Bucket Levelness
- Control Lever Operating Force
- Control Lever Stroke
- Primary Pilot Pressure
- Secondary Pilot Pressure
- Solenoid Valve Set Pressure
- Main Pump Delivery Pressure
- Main Relief Valve Set Pressure
Show all 36 topics
- Steering Relief Pressure
- Overload Relief Valve Set Pressure
- Main Pump Flow Rate
- Regulator Adjustment
- Parking Brake Pressure
- Brake Accumulated Pressure
- Brake Warning Set Pressure (Increase)
- Transmission Clutch Pressure
- (Inlet and Outlet)
- Transmission Learning
- Learning (Optional)
- Drive Belt Tension Adjustment
Inside this manual
Real pages from this troubleshooting technical service manual (581 pages). Open the sample pages (PDF, 365 KB)
- Diagram, page 322: TROUBLESHOOTING / Troubleshooting A
- Troubleshooting, page 362: TROUBLESHOOTING / Troubleshooting A
- Specifications, page 418: TROUBLESHOOTING / Troubleshooting B
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals 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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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, 581 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).