Case 121F XT, 121F ZB, 21F XT, 21F ZB, 221F HS, 221F STD, 321F HS, 321F ST Tier 4 Compact Wheel Loader Service Manual
1,287 pages · Publication 47768535B · 121F XT, 121F ZB, 21F XT, 21F ZB, 221F HS , 221F STD, 321F HS, 321F ST Tier 4
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What's inside
From the manual's own table of contents: 23 sections, 42 entries. See sample pages (PDF, 319 KB)
Main control valve19 topics
- Pilot system
- High flow hydraulics
- Hydraulic travel system
- Front loader arm hydraulic system
- Front loader bucket hydraulic system
- Tool quick coupler hydraulic system
- Frames and ballasting
- Ballasts and supports
- Steering
- Steering control
- Hydraulic control components
- Cylinders
- Electrical systems
- Electrical system
- Harnesses and connectors
- Front axle control system
- Warning indicators, alarms, and instruments
- FAULT CODES
- Platform, cab, bodywork, and decals
Inside this manual
Real pages from this service manual (1,287 pages). Open the sample pages (PDF, 319 KB)
- Specifications, page 510: Hydraulic systems - Front loader arm hydraulic system
- Diagram, page 643: Electrical systems - Electrical system
- Troubleshooting, page 1,213: 4751-Power supply fault on Return-to-dig solenoid (HSD)
- Foldout diagram: Electrical systems - Electrical system
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, 1,287 pages
Quantity one is the manual described above.
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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).