Case DX21, DX24 Tractor Service Manual
721 pages · Publication 87055743
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- Models
- DX21, DX24
- Manual type
- Service Manual
- Pages
- 721
- Publication
- 87055743
- Condition
- Brand new
What's inside
From the manual's own table of contents: 126 sections, 664 entries. See sample pages (PDF, 482 KB)
SECTION 00 - GENERAL INFORMATION
SECTION 10 - ENGINE SYSTEMS
SECTION 18 - SINGLE CLUTCH
SECTION 21 - TRANSMISSION SYSTEMS
SECTION 25 - FRONT AXLE -- FRONT WHEEL DRIVE
SECTION 27 - DIFFERENTIAL AND REAR AXLE
SECTION 29 - HYDROSTATIC TRANSMISSION
SECTION 31 - POWER TAKE-OFF SYSTEMS
SECTION 33 - BRAKES
SECTION 35 - HYDRAULIC SYSTEM
SECTION 41 - POWER STEERING SYSTEM
SECTION 44 - WHEELS AND TIRES
SECTION 55 - ELECTRICAL SYSTEM
SECTION 90 - PLATFORM
Introduction
Precautionary Statements
Safety
The Tractor
Servicing the Tractor
Operating the Tractor
Driving the Tractor
Operating the PTO
Diesel Fuel
Safety Frame (ROPS)
Show all 126 sections
Safety Decals
Instruction Decals
Product Identification Plate
International Symbols
Specifications
General Dimensions
Minimum Hardware Tightening Torques
Lubricants
Adjustments
Description and Operation -- General Information3 topics
- Identification Chart
- Cylinder Head and Valve Train Components
- Cylinder Block Assembly
Overhaul -- Engine26 topics
- Engine Preparation
- Disassembly
- Fuel Injector and Glow Plug
- Removal
- Oil Pressure Switch
- Temperature Sending Switch and Alternator
- Removal
- Fan, Water Pump, and External Oil Tube
- Valve Cover
- Rocker Shaft and Push Rod
- Removal
- Cylinder Head
- Valve Tappet
- Fuel Shut-off Solenoid
- Removal
- Engine Timing Gear Cover
- Timing Gears and Camshaft
- Removal
- Oil Sump
- Oil Suction Pipe and Strainer
- Removal
- Connecting Rods, Bearing and Piston
- Flywheel
- Removal
- Backplate and Oil Seal
- Crankshaft and Main Bearings
18 110 Cylinder Head15 topics
- Disassembly
- Inspection
- Valve Seats
- Inspection
- Valves
- Inspection
- Valve Guides
- Inspection
- Valve Springs
- Rocker Arms
- Inspection
- Push Rods
- Assembly
- Cylinder Block
- Inspection
10 105 Pistons, Piston Rings, and Connecting Rods8 topics
- Disassembly
- Piston
- Inspection
- Piston Rings
- Inspection
- Connecting Rods
- Inspection
- Bearing Oil Clearance Check
10 105 Pistons, Piston Rings, and Connecting Rod1 topic
- Assembly
10 103 Crankshaft Main Bearings52 topics
- Removal
- Inspection
- Crankshaft
- Inspection
- Crankshaft Journal Wear Limit and Bearing Usage
- Crankshaft Front Main Bearing (Bushing)
- Inspection
- Replacement
- Crankshaft Main Bearing
- Assembly
- Port Block
- Removal
- Installation
- Timing Gear
- Inspection
- Camshaft
- Disassembly
- Inspection
- Assembly
- Inspection
- Timing Gear Housing
- Front Oil Seal and Steering Pump Seal
- Replacement
- Crankshaft and Bearing Holder
- Assembly
- Rear Oil Seal and Backplate
- Installation
- Piston and Connecting Rod
- Oil Suction Pipe and Suction Strainer
- Installation
- Camshaft and Camshaft Gear
- Assembly
- Idler Gear, Oil Pump and Injection Timing
- Installation
- Timing Gear Cover
- Crankshaft Pulley
- Fuel Injection Pump
- Installation
- Power Steering Pump
- Head Gasket
- Assembly
- Valve Clearance Adjustment
- Installation
- Fan, Water Pump and External Oil Tube
- Installation
- Glow Plug and Connector
- Fuel Injector
- Fuel Piping
- Installation
- Alternator and Temperature Sending Switch
- Exhaust Manifold, Radiator, and Air Cleaner
- Installation
10 304 Description of Operation -- Engine Lubrication System
10 206 Engine Oil Filter6 topics
- Removal
- Inspection
- Installation and Adjustment
- Engine Oil Pressure Check
- Removal
- Installation
10 400 Description of Operation -- Cooling System
Maintenance6 topics
- Coolant
- Thermostat
- Water Pump
- Cooling Fan
- Radiator
- Radiator Cap
Overhaul -- Cooling System3 topics
- Removal
- Inspection and Repair
- Installation
10 402 Water Pump and Thermostat4 topics
- Removal
- Inspection and Repair
- Assembly
- Installation
Troubleshooting
10 000 Specification4 topics
- Piston Ring
- Connecting Rod
- Lubrication System
- Cooling System
Torque Specifications
Special Tools1 topic
- Compression Test and Tools
10 242 Description of Operation -- Injection Pump
10 236 Pumping Elements
10 214 Delivery Valves3 topics
- Injection Pump
- Repair
- Installation
Timing and Governor Adjustments
10 230 Installation Using Original Pump and Drive Components4 topics
- Install a New Pump or Drive Component
- Spill-timing Procedure
- Bleeding the Fuel System
- Full Screw/High Idle Adjustment
10 230 Description of Operation -- Governor4 topics
- Governor
- Disassembly
- Assembly
- Adjustments
10 218 Description of Operation -- Injectors4 topics
- Injector
- Removal
- Disassembly
- Assembly and Adjustment
Troubleshooting -- General
Troubleshooting -- Fuel Injectors
Troubleshooting -- Governor
Description of Operation -- General Information6 topics
- Single Clutch
- Free Play Adjustment
- x 3 Transmission
- Disassembly
- Installation
- Assembly
Description and Overhaul -- Servicing Clutch-Related Components
18 110 Clutch Pilot Bearing -- 9 x 3 Gear Transmission Only13 topics
- Removal
- Installation
- Clutch Release Bearing
- Removal
- Inspection
- Assembly
- Flywheel Dimensions
- Clutch Cross Shaft Bushings
- Removal
- Assembly
- Clutch Pedal Bushings
- Removal
- Assembly
Clutch Linkage Adjustment
Description of Operation -- 9 x 3 Gear Transmission1 topic
- x 3 Gear Transmission -- Power Flow
Overhaul31 topics
- Transmission Preparation
- Transmission Shift Cover
- Assembly
- Input Shaft, Idler Gear, and Countershaft Gear
- Removal
- Main Shaft
- Front Wheel Drive Shaft
- Countershaft
- Removal
- Range and Rear PTO Shift Rail and Fork
- Removal
- Pinion Shaft
- PTO Front Countershaft
- Removal
- Mid-Mount PTO Idler Shaft
- Removal
- Mid-Range Gear Case
- Disassembly
- Inspection
- Assembly
- Rear PTO Countershaft
- Assembly
- Installation
- Shift Rail and Fork
- Assembly
- Front Wheel Drive Shift Cover
- Assembly
- Input Shaft, Idler Gear and Countershaft Gear
- Assembly
- Rear Transmission -- 9 x 3 Transmission
- Installation
25 100 Description of Operation -- Front Axle - Front Wheel Drive2 topics
- Front-Wheel Drive Front Axle
- Removal
25 102 Differential15 topics
- Disassembly
- Differential
- Inspection
- Axle
- Assembly
- Pinion
- Ring Gear to Pinion Backlash Check (Using Original Components)
- Ring Gear to Pinion Backlash Check (Using New Components)
- Shim Calculation - Alternate Method
- Pinion-To-Ring Gear Tooth Contact Adjustment
- Installation
- Final Pinion and Wheel Shaft
- Backlash Adjustment
- Front Axle
- Front Wheel Drive
27 106 Differential
27 110 Differential Lock
27 126 Rear Axle and Brakes11 topics
- Removal
- Drive Pinion
- Disassembly
- Inspection
- Assembly
- Rear Axle and Brakes
- Rear Axle Disassembly
- Inspection
- Rear Axle Assembly
- Assembly
- Ring Gear and Pinion Gear Pattern Specification and Adjustment
29 202 Description of Operation -- Hydrostatic Transmission
29 212 Variable Displacement Pump
29 212 Fixed Displacement Motor4 topics
- Fluid Flow
- Neutral Position
- Forward Position
- Reverse Position
Overhaul -- Hydrostatic Transmission1 topic
- the Extension Housing and Rear Transmission
29 202 Hydrostatic Unit19 topics
- Precautions Before Disassembly
- Motor and Port Block
- Hydrostatic Motor
- Disassembly
- Hydrostatic Motor Shaft
- Disassembly
- Charge Pump
- Swash Plate
- Swash Plate/Charge Pump
- HST Piston Pump Cylinder Block
- Assembly
- HST Motor Cylinder Block
- Assembly
- Neutral and Feed Valves
- Charge Pump Relief Valve
- High Pressure Relief Valve
- Removal
- Installation
- Hydrostatic Pump and Port Block
29 204 Check Valve3 topics
- Disassembly
- Inspection
- Assembly
Pressure Tests1 topic
- Charge Pump Pressure Relief Valve
Description of Operation -- Gearbox
Overhaul -- Gearbox17 topics
- Gearbox
- Removal
- Transmission Drive Shaft and PTO Input Shaft
- Removal
- Main Bearing Holder Plate
- Removal
- FWD Drive Shaft (FWD Model only)
- Removal
- Inspection
- Installation
- Assembly
- Installation
- Assembly
- FWD Shaft (FWD Models only)
- Assembly
- Input Shaft, Transmission Drive Shaft and Retaining Plate
- Assembly
Overhaul and Adjustments -- Control Linkage
29 200 Control Linkage
Initial Adjustments17 topics
- Control Rod
- Pedal Stop
- HST Neutralizer
- Removal
- Disassembly
- Inspection
- Assembly
- Installation
- HST Neutral Adjustment
- Linkage Damper
- Removal
- Pedal
- Removal
- Pedal Pivot Shaft
- Removal
- Damper, Pivot Shaft, Pedal and FWD Drive Shaft
- Assembly
Metric Bolt Torque Specifications
Description of Operation -- PTO System
31 110 9 x 3 Gear Transmission
31 110 Hydrostatic Transmission
Overhaul -- Rear PTO
31 114 9 x 3 Rear PTO Output Shaft6 topics
- Removal
- Inspection
- Assembly
- HST Rear PTO Output Shaft
- Removal
- Inspection
Description of Operation -- Mid-Mount PTO1 topic
- Mid-Mount Power Take-Off
Overhaul -- Mid-Mount PTO
31 120 9 x 3 Optional Mid-Mount PTO7 topics
- Gearbox and Countershaft
- Output Shaft
- Inspection
- Assembly
- Hydrostatic Transmission, Standard Mid-Mount PTO
- Rear PTO
- Mid-Mount PTO
33 120 Brakes and Final Pinion4 topics
- Removal
- Inspection
- Assembly
- Brake Adjustment
Description of Operation -- Hydraulic System
35 000 Hydraulic System Circuits1 topic
- Oil Filter
35 080 Combination System Relief -- Diverter Valve Manifold
35 200 Control Valve Assembly (HPL)1 topic
- Neutral Position
35 210 Lifting Position
35 210 Lowering Position1 topic
- Cylinder Head and Flow Control Valve
Overhaul -- Hydraulic System
35 110 Lift Cylinder3 topics
- Disassembly
- Inspection and Repair
- Assembly
35 183 Cylinder Head (Flow Control Valve)8 topics
- Disassembly
- Control Valve
- Lowering Valve
- Adjustment
- Diverter Valve and Relief Valve Manifold Assembly
- Disassembly
- Adjustment Procedure
- Control Lever
Description of Operation -- Hydraulic Pump
35 304 Hydraulic Pump and Filter4 topics
- Hydraulic Pump
- Disassembly
- Inspection and Repair
- Assembly
Description of Operation -- Remote Valves
35 204 Remote Control Valves6 topics
- Hydraulic Manifold Block/Diverter Valve
- Single Spool Remote Control System
- Oil Flow
- Neutral Position
- Raising Position
- Lowering Position
35 184 Front (Double Spool) Remote Valve8 topics
- Double Spool Remote Control System
- Bucket and Lift Control -- Neutral Position
- Bucket Cylinder -- Dumping
- Bucket Cylinder -- REGEN
- Bucket Cylinder -- Rollback
- Lift Cylinder -- Raising
- Lift Cylinder -- Lowering
- Lift Cylinder -- Float Position
Overhaul -- Remote Valves18 topics
- Single Spool Valve (Rear Remote Valve)
- Removal
- Disassembly
- Inspection
- Assembly
- Double Spool Remote Valve
- Double Spool Remote Valve (Front Remote Valve)
- Removal
- Disassembly
- Lift Spool
- Bucket REGEN Spool
- Inspection
- Assembly
- Lift Spool
- Bucket REGEN Spool
- Front Remote Valve Linkage
- Removal
- Installation
Pressure Testing1 topic
- Main System Relief Valve
Description of Operation
41 204 Power Steering System6 topics
- Power Steering Control Valve
- Spool and Sleeve
- Drive Shaft
- GEROTOR Pump
- Check Valve
- Relief Valve
41 206 Power Steering Pump8 topics
- Power Steering Cylinder
- Power Steering Operation
- Fluid Flow -- Neutral Position
- Fluid Flow -- Left Turn
- Fluid Flow -- Right Turn
- Power Steering Manual Operation
- Power Steering System
- Steering Control Valve
41 216 Steering Cylinder16 topics
- Removal
- Oil Pump
- Inspection
- Installation
- Power Steering Tubes
- Pump, Steering Valve and Relief Valve
- Test Results
- Steering Cylinder
- Test Results
- Wheels and Tires -- Tread Setting
- Weights
- Wheels and Tires -- Weight Limitation
- Liquid Ballast
- Tire Inflation vs. Permissible Load
- Wheels and Tires Lug Bolt Torque
- Front and Rear Wheel Hub Bolt Torque Sequence
55 000 Component Location and Function -- Description and Operation7 topics
- Wiring Harnesses
- Ground Locations
- Battery
- Installation
- Fuse Block
- Main Fuse
- Replacement
Electrical System Components -- Description and Testing10 topics
- Key Start Switch
- Replacement
- Installation
- Testing
- Light Switch (Combination Switch)
- Testing
- Installation
- Hazard/Turn Signal Combination Switch
- Removal
- Testing
55 408 9 x 3 Transmission Main (Speed) Gears, Safety Switch6 topics
- Adjustment
- Testing
- and Mid PTO Safety Switch
- PTO Switch Adjustment
- Range Switch Adjustment -- HST Transmission
- Testing
55 408 Seat Safety Switch30 topics
- Testing
- Installation
- Parking Brake Switch
- Testing
- Cruise Control Brake Release Switch (HST Only)
- Testing
- Relays
- Testing
- Flasher Controller
- Removal
- Testing
- Safety Controller
- Glow Plug Indicator Light
- Testing
- Fuel Shut Off Solenoid (Safe Operation)
- Testing
- Safety Start Circuit (Safety Controller)
- Testing
- Parking Brake Indicator Light (Safety Controller)
- Testing
- Rear PTO Indicator Light (Safety Controller)
- Testing
- Diodes
- Testing
- Cruise Control Magnet (HST Models)
- Testing
- HST Speed Control (Cruise Control) Switch (HST Models Only)
- Testing
- Glow Plugs
- Testing
55 414 Engine Sensors
55 404 Fuel Shutoff Solenoid26 topics
- Testing
- Head Lamp
- Flasher Warning Light
- Rear Work Light (Optional)
- Electrical Wiring Diagram
- Starting Circuit (Operator Present) HST Transmission
- Starting Circuit (Operator Present) Gear Transmission
- Starting Circuit (No Operator Present) HST Transmission
- Starting Circuit (No Operator Present) Gear Transmission
- Safe Operation Circuit (Operator Present) All Transmissions
- Not Engaged
- Engaged
- Glow Plug Circuit
- HST Cruise Control Circuit
- Front Work Lights Circuit
- Front Road Lights Circuit
- Hazard Flasher Circuit
- Left Turn Signal Circuit
- Right Turn Signal Circuit
- Engine Temperature Gauge Circuit
- Engine Oil Pressure Indicator Light Circuit
- Fuel Level Sender Circuit
- Parking Brake Indicator Light Circuit
- Rear PTO Indicator Light Circuit
- Tachometer Circuit
- Charging Circuit
Component Operation and Servicing2 topics
- Instrument Panel
- Removal
Component Testing and Replacement11 topics
- Fuel Gauge
- Testing
- Replacement
- Temperature Gauge
- Testing
- Replacement
- Tachometer
- Testing
- Replacement
- Instrument Panel Indicator and Illumination Lights
- Bulb Replacement
55 201 Description of Operation -- Starting System
Overhaul -- Starter Motor6 topics
- Starter Motor
- Removal
- Disassembly
- Inspection and Repair
- Electrical Tests
- Assembly
55 301 Description of Operation -- Charging System8 topics
- Stator
- Rotor
- Rectifier
- End Frame
- IC Regulator
- Improvement of Charging System
- Detention Function
- Function
Overhaul -- Charging System14 topics
- Pulley
- Removal
- Rear End Cover
- Removal
- Brush Holder
- Regulator
- Removal
- Bushing
- Rear End Frame
- Removal
- Retainer Plate
- Bearing (Drive End Side)
- Bearing (Slip Ring Side)
- Removal
Component Inspection and Repair15 topics
- Diode
- Testing
- Brush Hold and Brushes
- Bearings
- Drive Pulley
- Alternator Housing
- Alternator
- Assembly
- Charging System
- Performance Tests
- Inspection
- Voltage Measurement on the Vehicle
- Failure in Charging System
- Preliminary Checks
- Care in Handling Charging System
Description of Operation -- Platform19 topics
- Hood
- Installation
- Steering Wheel
- Installation
- Instrument Panel and Console
- Removal
- Installation
- Rear Panels
- Installation
- Fuel Tank
- Removal
- Installation
- Seat and Seat Suspension
- Removal and Disassembly
- Roll Over Protection System (ROPS)
- Removal
- Fenders
- Side Steps
- Installation
Inside this manual
Real pages from this service manual (721 pages). Open the sample pages (PDF, 482 KB)
- Specifications, page 130: SECTION 10 -- ENGINE SYSTEMS -- CHAPTER 1
- Diagram, page 174: SECTION 18 -- SINGLE CLUTCH -- CHAPTER 1
- Troubleshooting, page 603: TROUBLESHOOTING SAFE OPERATION CIRCUIT (OPERATOR NOT PRESENT)
- Color page: SECTION 00 -- GENERAL INFORMATION -- CHAPTER 1
This is a service manual
Here's how it compares to the other manual types.
This manual
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, 721 pages
Quantity one is the manual described above.
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