Case 410/420 Skid Steer and 420CT Compact Track Loader Tier 3 Service Repair Manual

Keep the right instructions to hand when you work on the Case 410/420 Skid Steer and 420CT Compact Track Loader Tier 3. This service manual covers the maintenance, repair and adjustment information listed below, so you spend less time guessing and more time fixing.

The document is 959 pages long and is referenced as Part No. 84243970 (Bur 87634765A / 6-78992).

What's inside

• General: Fluids and Lubricants (Tier 3 Engines), Standard Torque Specifications, Metric Conversion Chart
• Engines: Engine and Radiator Removal and Installation (410 Tier 3 / 420-420CT Tier 3) — full engine repair covered in a separate Engine Repair Manual
• Fuel Systems (index/reference; full repair in separate Engine Repair Manual)
• Electrical: Specifications, Troubleshooting, Schematics, Battery, Starter and Starter Solenoid
• Tracks: Tracks, Drive Sprocket, Idler Wheels and Rollers, Track Drive Motor (420CT)
• Power Train: Hydrostatic System (How It Works and Troubleshooting), Removal/Installation of Hydrostatic Components, Drive Coupling, Piston Pump, Drive Motors, Sprocket/Chains/Axle Assemblies, Wheels and Tires, Load Management System
• Brakes: Park Brake Components, 410/420 Spring-Applied Hydraulic-Release Brakes
• Hydraulics: System Troubleshooting and Schematics, Cleaning, Removal/Installation of Components, Gear Pump, Loader Control Valve, Cylinders, Flat Faced Couplers, Ride Control Accumulator
• Mounted Equipment: Pedals and Levers, Loader, Attachment Coupler, ROPS Canopy/Seat/Seat Belts, Heater, Air Conditioning (Cab Up-Grade Machines, R134A)
• Hydraulic and Electrical Schematic Foldouts

Models covered

• 410
• 420 Skid Steer Loader / 420CT Compact Track Loader

User help

1. Make sure it matches your machine. Look up your model and serial number and compare them with the coverage above. Not sure? Send us those details and we will help you check before you buy.
2. Get the file. This is a digital PDF download. Nothing is shipped, so you can start using it as soon as you have the file.
3. Read it on any device. The file opens in standard PDF readers on Windows, Mac, Android and iOS. Keep a backup copy so you always have it.
4. Find things quickly. Use the contents pages and your reader's search (Ctrl+F or Cmd+F) to jump to a component, fault code or specification. Print only the pages you need for the workshop.
5. Work step by step. Read the safety notes for a procedure before you start, follow the stated torque values and sequences, and use the specification and test sections to confirm a fault before replacing parts.
6. Safety first. Work on machinery, fuel and electrical systems carries real risk. Follow the document's safety notes, use suitable tools and supports, and comply with local rules. If a job is beyond your experience, use a qualified technician.

CASE and all model names are trademarks of their respective owners and are used here only to identify compatibility. This store is an independent seller and is not affiliated with or endorsed by CASE. For informational and maintenance use.