Case 521E Tier 3 Loader Service Manual
846 pages · Publication 87728450
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- Models
- 521E Tier 3
- Manual type
- Service Manual
- Pages
- 846
- Publication
- 87728450
- Condition
- Brand new

What's inside
From the manual's own table of contents: 43 topics. See sample pages (PDF, 960 KB)
- Standard Torque Specifications
- Fluids and Lubricants
- Metric Conversion Chart
- Engine and Radiator Removal and Installation
- Stall Tests
- After Cooler
- Removal and Installation of Starter and Alternator
- Electrical Specifications and Troubleshooting
- Batteries
- Instrument Cluster
- Removal and Installation of Steering Components
- Steering Specifications, Pressure Checks, and Troubleshooting
- Steering Cylinders
- Center Pivot
- Auxiliary Steering Motor and Pump
- Removal and Installation of Power Train Components
- Transmission Specifications, Pressure Checks, and Troubleshooting
- Transmission
- Front Axle
- Rear Axle
- Drive Shafts, Center Bearing, and Universal Joints
- Wheels and Tires
- Transmission Control Valve
- Removal and Installation of Brake Components
Show all 43 topics
- Hydraulic Brake Troubleshooting
- Brake Pump
- Brake Accumulators
- Parking Brake
- How to Read Hydraulic Schematics
- Removal and Installation of Hydraulic Components
- Hydraulic Specifications, Troubleshooting, and Pressure Checks
- Cleaning the Hydraulic System
- Loader Control Valve
- Cylinders
- Coupler Solenoid Locking Valve
- Ride Control Accumulator
- Ride Control Valve
- Air Conditioning Troubleshooting and System Checks
- Air Conditioner System Service
- Removal And Installation Of Air Conditioning And Heater Components
- Loader
- Roll Over Protective Structure (ROPS), Cab Structural Frame (CSF)
- Cab Glass Installation
Inside this manual
Real pages from this service manual (846 pages). Open the sample pages (PDF, 959 KB)
- Troubleshooting, page 283: RETRIEVING FAULT CODES
- Diagram, page 361: Connect transmission wiring harness connectors to
- Specifications, page 816: TARGET ADJUSTMENT ILLUSTRATION Z-BAR, XT AND XR MODELS
- Foldout diagram (color), page 844: WIRE IDENTIFICATION
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 521E Tier 3 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, 846 pages
Quantity one is the manual described above.
Fast free USA shipping
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).