Case Farmall 20B, 25B Compact Tractor Service Manual
720 pages · Publication 47576301
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- Models
- Farmall 20B, 25B
- Manual type
- Service Manual
- Pages
- 720
- Publication
- 47576301
- Condition
- Brand new
What's inside
From the manual's own table of contents: 154 topics. See sample pages (PDF, 588 KB)
- Foreword
- International symbols
- Safety rules
- Basic instructions - Important notice regarding equipment servicing
- Basic instructions - Shop and Assembly
- Basic instructions Hardware
- Torque Specification Tables
- General specification
- General specification - Biodiesel Fuels
- Dimension
- Consumables
- Product identification
- Torque
- Remove
- Install
- Torque Newton metres / Lb. ft
- General specification Steering axle adjustments
- Static description
- Disassemble Steering Knuckle
- Assemble Steering Knuckle
- Detailed view
- Disassemble
- Assemble and install
- Backlash Check and adjust
Show all 154 topics
- Preload
- Dynamic description
- Assemble
- Service instruction
- Transmission command - Remove - HST Neutral Switch
- Transmission command - Test - HST Neutral Switch
- Transmission command - Install - HST neutral switch
- General specification HST
- Hydraulic schema
- Dynamic description Cruise Control
- Static description Cruise Control
- Remove the Transmission
- Overhaul Disassembly
- Overhaul Assemble
- Remove HST unit
- Disassemble HST unit
- Assemble HST unit
- Install HST Unit
- Install the Transmission
- Pressure test Charge Pressure
- Pressure test HST high pressure relief valve test
- Static description Solenoid Valve
- Test
- Electronic schema
- Remove PTO Clutch Assembly
- Disassemble the PTO clutch
- Assemble the PTO clutch
- Install Install PTO Clutch Assembly
- Testing - Rear PTO and Mid PTO do not operate
- Overview
- Remove Brake Package
- Adjust
- Troubleshooting
- Static description Description of Operation - Hydraulic System
- Functional diagram - flow priority
- Test Fixed displacement
- Functional diagram
- Static description - HPL drop rate valve
- Functional diagram HPL drop rate valve
- Static description HPL linkage
- Disassemble - HPL drop rate
- Assemble HPL drop rate
- Remove HPL linkage
- Install HPL Linkage
- Inspect
- Static description - HPL lift cylinder
- Remove - HPL housing
- Install HPL Housing
- Remove HPL Piston
- Install HPL Piston
- Open center mechanical remote valve - Static description Front two spool
- Open center mechanical remote valve - Static description Rear Remote Control Valve
- Open center mechanical remote valve - Disassemble - Front two spool - joystick
- Open center mechanical remote valve - Assemble - Front two spool joy stick
- General specification Control Valve
- Overview System characteristics
- Remove Steering valve
- Disassemble Steering valve
- Visual inspection of hydraulic steering control valve parts
- Assemble Steering valve
- Install Steering valve
- Troubleshooting - For the steering control unit
- Disconnect
- Connect
- Pressure test
- Install Level Sensor
- General specification Coolant temperature sending unit
- Static description - Sender
- Remove - Sender
- Install - Sender
- Static description - Switch
- Remove - Switch
- Test - Switch
- Install - Switch
- Service instruction - Park brake switch
- Remove - Park brake switch
- Test - Park brake switch
- Install - Park brake switch
- Service instruction - PTO Switch
- Remove PTO Switch
- Test - PTO Switch
- Install PTO Switch
- Service instruction - Safety Switch
- Remove - Safety Switch
- Test - Safety Switch
- Install - Safety Switch
- Electrical schema - Complete tractor schematic
- Electrical schema - Starting system
- Electrical schema - Safe operation, operator present
- Electrical schema - Safe operation, operator not present
- Electrical schema - Glow plugs
- Electrical schema - Hazard lights
- Electrical schema - Lighting
- Electrical schema - Right turn signal
- Electrical schema - Left turn signal
- Electrical schema Brake lights
- Electrical schema PTO
- Electrical schema - Park Brake Indicator Light
- Electrical schema - Tachometer
- Electrical schema - Battery charge
- Electrical schema Engine coolant temperature
- Electrical schema - Fuel Level
- Electrical schema - Engine Low Oil Pressure Indicator Light
- Service instruction - Glow plug relay
- Remove Glow plug relay
- Electrical test Glow plug relay
- Install Glow plug relay
- Troubleshooting Charging circuit
- Replace - Bulb
- Service instruction - Flasher unit
- Remove - Flasher Unit
- Test - Flasher Relay
- Install - Flasher unit
- Troubleshooting - Right or left turn signal circuit
- Seat switch - Service instruction
- Seat switch - Remove
- Seat switch - Test
- Seat switch - Install
- Analog instrument cluster - Service instruction - Safety controller
- Analog instrument cluster - Remove - Safety controller
- Analog instrument cluster - Test - Safety controller
- Analog instrument cluster - Install - Safety controller
- Analog instrument cluster - Service instruction - Safety alarm
- Analog instrument cluster - Remove - Safety alarm
- Analog instrument cluster - Test - Safety alarm
- Analog instrument cluster - Install - Safety alarm
- Analog instrument cluster - Service instruction
- Analog instrument cluster - Remove
- Analog instrument cluster - Test
- Analog instrument cluster - Install
Inside this manual
Real pages from this service manual (720 pages). Open the sample pages (PDF, 588 KB)
- Specifications, page 240: Hydrostatic drive - Pump and motor components
- Troubleshooting, page 482: Steering - Hydraulic control components
- Diagram, page 669: Electrical systems - External lighting
- Color page, page 332: FARMALL® 20B
- Color page, page 453: Steering - Hydraulic control components
- Foldout diagram, page 579: Electrical systems - Harnesses and connectors
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, 720 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.
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).