Case IH DX23 Repair Manual Download | Manualshive

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'; '; 7UDFWRUV

5HSDLU 0DQXDO

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Summary of Contents for DX23

Page 1: ... 7UDFWRUV 5HSDLU 0DQXDO 6 ...

Page 2: ...ON 44 WHEELS AND TIRES 25 SECTION 55 ELECTRICAL SYSTEM 26 SECTION 90 PLATFORM 32 The following pages are the collation of the contents pages from each section and chapter of the DX23 DX26 Repair manual Complete Repair part 87367148 The sections used through out all Case IH product Repair manuals may not be used for each product Each Repair manual will be made up of one or several books Each book w...

Page 3: ...Servicing the Tractor 4 Operating the Tractor 5 Driving the Tractor 5 Operating the PTO 6 Diesel Fuel 6 Safety Frame ROPS 6 Safety Decals 7 Instruction Decals 9 Product Identification Plate 13 Universal Symbols 14 Specifications DX23 DX26 15 General Dimensions DX23 DX26 20 Minimum Hardware Tightening Torques 23 Lubricants 25 Adjustments 26 Find manuals at https best manuals com ...

Page 4: ...ifications 14 Metric Bolt Torque Specifications 14 Special Tools 15 Description and Operation General Information 16 Identification Chart 16 Cylinder Head and Valve Train Components 17 Cylinder Block Assembly 17 Troubleshooting 19 Overhaul Engine 25 Engine Preparation 25 Disassembly 25 Fuel Injector and Glow Plug 27 Removal 27 Oil Pressure Switch 27 Removal 27 Temperature Sending Switch and Altern...

Page 5: ...Solenoid 30 Removal 30 Engine Timing Gear Cover 30 Removal 30 Timing Gears and Camshaft 32 Removal 32 Oil Sump 32 Removal 32 Oil Suction Pipe and Strainer 33 Removal 33 Connecting Rods Bearing and Pistons 33 Removal 33 Flywheel 34 Removal 34 Backplate and Oil Seal 34 Removal 34 Crankshaft and Main Bearing 34 Removal 34 18 110 Cylinder Head 35 Disassembly 35 Inspection 35 Valve Seats 36 Inspection ...

Page 6: ...ssembly 41 Cylinder Block 41 Inspection 41 10 105 Pistons Piston Rings and Connecting Rods 42 Disassembly 42 Piston 42 Inspection 42 Piston Rings 44 Inspection 44 Connecting Rods 45 Inspection 45 Bearing Oil Clearance Check 47 10 105 Pistons Piston Rings and Connecting Rod 47 Assembly 47 10 103 Crankshaft Main Bearings 48 Removal 48 Inspection 48 Crankshaft 49 Inspection 49 Crankshaft Journal Wear...

Page 7: ... 52 Inspection 52 Camshaft 52 Disassembly 52 Inspection 53 Assembly 53 10 103 Flywheel 54 Inspection 54 Timing Gear Housing 54 Front Oil Seal and Steering Pump Seal 54 Replacement 54 Crankshaft and Bearing Holder 55 Assembly 55 Rear Oil Seal and Backplate 55 Assembly 55 Flywheel 56 Installation 56 Piston and Connecting Rod 56 Installation 56 Oil Suction Pipe and Suction Strainer 57 Installation 57...

Page 8: ...on Pump 59 Installation 59 Power Steering Pump 59 Installation 59 Head Gasket 60 Cylinder Head 61 Assembly 61 Valve Clearance Adjustment 62 Valve Cover 62 Installation 62 Fan Water Pump and External Oil Tube 63 Installation 63 Glow Plug and Connector 63 Installation 63 Fuel Injector 63 Installation 63 Fuel Piping 64 Installation 64 Alternator and Temperature Sending Switch 64 Installation 64 Exhau...

Page 9: ...1 Oil Pressure Relief Valve 71 Removal 71 Installation 71 Oil Consumption 72 10 400 Description of Operation Cooling System 73 Maintenance 75 Coolant 75 Thermostat 75 Water Pump 75 Cooling Fan 75 Radiator 75 Radiator Cap 75 Overhaul Cooling System 76 10 406 Radiator 76 Removal 76 Inspection and Repair 77 Installation 77 10 402 Water Pump and Thermostat 78 Removal 78 Inspection and Repair 80 Assemb...

Page 10: ... 214 Removal 14 Installation 14 Timing and Governor Adjustments 15 10 230 Installation Using Original Pump and Drive Components 15 Install a New Pump or Drive Component 15 Spill timing Procedure 16 Bleeding the Fuel System 20 Full Screw High Idle Adjustment 20 10 230 Description of Operation Governor 21 Governor 23 Disassembly 23 Assembly 24 Adjustments 25 10 218 Description and Operation Injector...

Page 11: ...gine and Clutch Housing 9 x 3 Transmission 7 Disassembly 7 Removal 16 Installation 16 Assembly 18 Description and Overhaul Servicing Clutch Related Components 26 18 110 Clutch Pilot Bearing 9 x 3 Gear Transmission Only 26 Removal 26 Inspection 26 Installation 26 Clutch Release Bearing 27 Removal 28 Inspection 29 Assembly 29 Flywheel Dimensions 30 Clutch Cross Shaft Bushings 30 Removal 30 Assembly ...

Page 12: ...h Housing and the Rear Transmission 9 x 3 Transmission 12 Removal 12 Transmission Shift Cover 16 Disassembly 18 Assembly 22 Input Shaft Idler Gear and Countershaft Gear 26 Removal 26 Main Shaft 27 Removal 27 Front Wheel Drive Shaft 28 Removal 28 Countershaft 29 Removal 29 Range and Rear PTO Shift Rail and Fork 30 Removal 30 Pinion Shaft 31 Removal 31 PTO Front Countershaft 32 Removal 32 Mid Mount ...

Page 13: ...untershaft 37 Assembly 37 Pinion Shaft 38 Installation 38 Shift Rail and Fork 39 Installation 39 Countershaft 40 Assembly 40 Front Wheel Drive Shaft 41 Assembly 41 Front Wheel Drive Shift Cover 41 Assembly 41 Main Shaft 42 Assembly 42 Input Shaft Idler Gear and Countershaft Gear 43 Assembly 43 Reconnecting the Tractor Between the Clutch Housing and the Rear Transmission 9 x 3 Transmission 44 Insta...

Page 14: ...l Drive Front Axle 6 Removal 6 25 108 Front Axle 7 Disassembly 7 25 102 Differential 9 Disassembly 9 Inspection 9 Axle 9 Inspection 9 Differential 11 Assembly 11 Pinion 11 Assembly 11 Ring Gear to Pinion Backlash Check Using Original Components 13 Ring Gear to Pinion Backlash Check Using New Components 14 Shim Calculation Alternate Method 15 Pinion To Ring Gear Tooth Contact Adjustment 16 Front Wh...

Page 15: ...ation General Information 4 Differential 4 27 110 Differential Lock 5 27 126 Rear Axle and Brakes 6 Overhaul 10 27 106 Differential 10 Removal 10 Drive Pinion 12 Removal 12 Differential 13 Disassembly 13 Inspection 13 Assembly 14 Rear Axle and Brakes 18 Rear Axle Disassembly 18 Inspection 18 Rear Axle Assembly 18 27 110 Differential Lock 20 Disassembly 20 Assembly 21 Ring Gear and Pinion Gear Patt...

Page 16: ...Position 13 Forward Position 14 Reverse Position 15 Troubleshooting 16 Overhaul Hydrostatic Transmission 17 Transmission Preparation 17 Separation between the Clutch Housing and the Extension Housing the Extension Housing and Rear Transmission 18 29 202 Hydrostatic Unit 22 Removal 22 Precautions Before Disassembly 26 Motor and Port Block 26 Disassembly 26 Hydrostatic Motor 28 Disassembly 28 Hydros...

Page 17: ...Charge Pump Relief Valve 41 Disassembly 41 Inspection 41 High Pressure Relief Valve 42 Removal 42 Installation 42 Hydrostatic Pump and Port Block 42 Assembly 42 Motor and Port Block 44 Assembly 44 29 204 Check Valve 45 Disassembly 45 Inspection 45 Assembly 45 Installation of the Clutch Housing and the Extension Housing the Extension Housing and Rear Transmission 46 Pressure Tests 51 High Pressure ...

Page 18: ...rive Shaft and PTO Input Shaft 61 Removal 61 Main Bearing Holder Plate 62 Removal 62 Main Shaft 63 Removal 63 FWD Drive Shaft FWD Model only 63 Removal 63 Countershaft 65 Removal 65 Range and Rear PTO Shift Rail and Fork 66 Removal 66 Pinion Shaft 67 Removal 67 PTO Front Countershaft 68 Removal 68 Mid Mount PTO Idler Shaft 69 Removal 69 Inspection 69 Shift Rail and Fork 70 Installation 70 Mid Moun...

Page 19: ...rive Shift Cover 77 Assembly 77 Installation of the Clutch Housing and the Extension Housing the Extension Housing and Rear Transmission 78 Overhaul and Adjustments Control Linkage 83 29 200 Control Linkage 83 Initial Adjustments 84 Control Rod 84 Pedal Stop 84 HST Neutralizer 85 Removal 85 Disassembly 86 Inspection 87 Assembly 88 Installation 89 HST Neutral Adjustment 90 Linkage Damper 91 Removal...

Page 20: ...ul Rear PTO 7 31 114 9 x 3 Rear PTO Output Shaft 7 Removal 7 Inspection 7 Assembly 8 HST Rear PTO Output Shaft 9 Removal 9 Inspection 9 Assembly 10 Description and Operation Mid Mount PTO 11 Mid Mount Power Take Off 11 Overhaul Mid Mount PTO 13 31 120 9 x 3 Optional Mid Mount PTO 14 Gearbox and Countershaft 14 Removal 14 Output Shaft 14 Removal 14 Inspection 15 Assembly 15 Gearbox and Countershaft...

Page 21: ...escription Page Output Shaft 17 Removal 17 Inspection 18 Assembly 18 Gearbox and Countershaft 18 Assembly 18 SECTION 33 BRAKES BOOK 3 87367151 Chapter 1 Brakes CONTENTS Section Description Page Specifications 2 Overhaul 3 33 120 Brakes and Final Pinion 3 Removal 3 Inspection 4 Assembly 4 Brake Adjustment 5 ...

Page 22: ... Control Valve Assembly HPL 10 35 210 Oil Flow 11 Neutral Position 11 35 210 Lifting Position 12 35 210 Lowering Position 13 Cylinder Head and Flow Control Valve 14 Troubleshooting 15 Overhaul Hydraulic System 16 35 110 Lift Cylinder 16 Removal 16 Disassembly 20 Inspection and Repair 21 Assembly 22 35 183 Cylinder Head Flow Control Valve 23 Disassembly 23 Inspection 23 Assembly 23 Control Valve 24...

Page 23: ... 33 Inspection and Repair 33 Assembly 33 Description and Operation Remote Valves 34 35 204 Remote Control Valves 34 Hydraulic Manifold Block Diverter Valve 34 Single Spool Remote Control System 36 Oil Flow 36 Neutral Position 36 Raising Position 37 Lowering Position 38 35 184 Front Double Spool Remote Valve 40 Double Spool Remote Control System 41 Oil Flow 41 Bucket and Lift Control Neutral Positi...

Page 24: ...mote Valve 49 Removal 49 Disassembly 50 Inspection 50 Assembly 50 Double Spool Remote Valve 51 Double Spool Remote Valve Front Remote Valve 52 Removal 52 Disassembly 53 Lift Spool 53 Bucket REGEN Spool 53 Inspection 53 Assembly 55 Lift Spool 55 Bucket REGEN Spool 55 Front Remote Valve Linkage 57 Removal 57 Installation 57 Pressure Testing 59 Main System Relief Valve 59 ...

Page 25: ...ol and Sleeve 7 Drive Shaft 8 Gerotor Pump 8 Check Valve 8 Relief Valve 8 41 206 Power Steering Pump 9 Power Steering Cylinder 10 41 200 Power Steering Operation 11 Fluid Flow Neutral Position 11 Fluid Flow Left Turn 12 Fluid Flow Right Turn 13 Power Steering Manual Operation 14 Troubleshooting 15 Overhaul 17 Power Steering System 17 Removal 17 Steering Control Valve 21 Disassembly 21 Inspection 2...

Page 26: ... Testing 41 Pump Steering Valve and Relief Valve 41 Test Results 41 Steering Cylinder 42 Test Results 42 SECTION 44 WHEELS AND TIRES BOOK 3 87367151 Chapter 1 Wheels and Tires CONTENTS Section Description Page Specifications 2 Wheels and Tires Tread Setting 2 Wheels and Tires Lug Bolt Torque 3 Front and Rear Wheel Hub Bolt Torque Sequence 3 Weights 4 Wheels and Tires Weight Limitation 5 Liquid Bal...

Page 27: ...and Testing 11 Key Switch 11 Replacement 12 Installation 12 Testing 13 Light Switch Combination Switch 14 Removal 15 Testing 15 Installation 16 Hazard Turn Signal Combination Switch 17 Removal 17 Testing 18 Installation 19 9 x 3 Transmission Main Speed Gears Safety Switch 20 Testing 21 Transmission Range Gear Safety Switch HST Models Rear PTO Safety Switch and Mid PTO Safety Switch 22 PTO Switch A...

Page 28: ...roller 31 Removal 31 Testing 31 Safety Controller 35 Testing 36 Testing Alarm Circuit 38 Diodes 40 Testing 40 Cruise Control Magnet HST Models 41 Testing 42 HST Speed Control Cruise Control Switch HST Models only 42 Testing 43 Glow Plugs 44 Testing 44 55 414 Engine Sensors 45 Fuel Shutoff Solenoid 47 Testing 47 55 404 Lighting 48 Flasher Warning Light 49 Rear Work Light Optional 50 Safety Alarm Bu...

Page 29: ...nsmission 14 Safe Operation Circuit Operator not Present and Rear PTO Engaged Gear Transmission 18 Glow Plug Circuit All Tractors 22 HST Cruise Control Circuit 26 Front Work Lights Circuit 30 Front Road Lights Circuit 32 Hazard Flasher Circuit 34 Left Turn Signal Circuit 36 Right Turn Signal Circuit 38 Engine Temperature Gauge Circuit 42 Engine Oil Pressure Indicator Light Circuit 44 Fuel Level Ga...

Page 30: ...ion Page Component Operation and Servicing 2 Instrument Panel 2 Removal 4 Component Testing and Replacement 4 Fuel Gauge 4 Testing 4 Replacement 5 Temperature Gauge 6 Testing 6 Replacement 6 Tachometer 7 Testing 7 Replacement 8 Instrument Panel Indicator and Illumination Lights 10 Bulb Replacement 11 ...

Page 31: ...nt Construction 8 Stator 8 Rotor 8 Rectifier 8 End Frame 9 Integrated Circuit IC Regulator 10 Charging Circuit 10 Preliminary Alternator Tests 10 Alternator Drive Belt 10 Charging System Performance Tests 11 Regulator Voltage Test 11 Alternator Output Current Test 11 M Type IC Regulator Test Procedure 12 V Specification 12 Regulator By Pass Test 13 Alternator 13 Removal 13 Disassembly 14 Component...

Page 32: ...or Troubleshooting 31 Description and Operation Starting System 32 Overhaul Starter Motor 33 Removal 33 Disassembly 33 Inspection and Repair 37 Electrical Tests 41 Armature Coil Continuity Test 41 Grounded Armature Coil Test 41 Brush Holder Ground Test 41 Field Coil Continuity Test 42 Field Coil Ground Test 42 Solenoid Coil 42 Pull In Coil and Hold In Coil Check 42 Pull In Coil Test 42 Assembly of...

Page 33: ...el 3 Removal 3 Installation 3 Instrument Panel and Console 4 Removal 4 Installation 4 Rear Panels 6 Removal 6 Installation 6 Fuel Tank 7 Removal 7 Installation 8 Seat and Seat Suspension 11 Removal and Disassembly 11 Installation 13 Roll Over Protection System ROPS 15 Removal 15 Installation 15 Fenders 16 Removal 16 Installation 17 Side Steps 18 Removal 18 Installation 18 ...

Page 34: ...tements 3 Safety 4 The Tractor 4 Servicing the Tractor 4 Operating the Tractor 5 Driving the Tractor 5 Operating the PTO 6 Diesel Fuel 6 Safety Frame ROPS 6 Safety Decals 7 Instruction Decals 9 Product Identification Plate 13 Universal Symbols 14 Specifications DX23 DX26 15 General Dimensions DX23 DX26 20 Minimum Hardware Tightening Torques 23 Lubricants 25 Adjustments 26 ...

Page 35: ...nforma tion needed to properly service the Case IH DX23 DX26 tractor Use this manual in conjunction with the operator s manual for complete operation adjust ment and maintenance information On Case IH equipment left and right are determined by standing behind the unit looking in the direction of travel ...

Page 36: ...avoided could result in death or serious injury The color associated with Warning is ORANGE CAUTION This word CAUTION indicates a potentially hazardous situation that if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices The color associated with Caution is YELLOW FAILURE TO FOLLOW THE DANGER WARNING AND CAUTION INSTRUCTIONS MAY RESULT IN SERIO...

Page 37: ...nder pressure which is controlled by the radiator cap It is dangerous to remove the cap while the system is hot Always turn the cap slowly to the first stop and allow pressure to escape before removing the cap entirely 2 Keep any type of open flame away from the tractor and do not smoke while refueling Wait for the engine to cool before refueling 3 Keep the tractor and equipment particularly brake...

Page 38: ...a steep incline 7 Do not operate the tractor engine in an enclosed building without adequate ventilation Exhaust fumes can cause death or illness 8 If the power steering or engine ceases operating stop the tractor immediately 9 Pull only from the drawbar or the lower link drawbar in the down position Use only a drawbar pin that locks in place Pulling from the tractor rear axle or any point above t...

Page 39: ...he tank 5 Do not fill the fuel tank to capacity Allow room for expansion 6 Wipe up spilled fuel immediately 7 Always tighten the fuel tank cap securely 8 If the original fuel tank cap is lost replace it with a Case IH approved cap A non approved proprietary cap may not be safe 9 Keep equipment clean and properly maintained 10 Do not drive equipment near open fires 11 Never use fuel for cleaning pu...

Page 40: ...ginal positions SAFETY DECALS WARNING Pull Only From Drawbar PART NO SBA390194661 LOCATION On Back of Toolbox WARNING Before Starting and Operating PART NO SBA390192273 LOCATION Front of L H Fender WARNING Start Engine Only from Operator s Seat PART NO SBA190196682 LOCATION On the Starting Motor WARNING Do Not Operate With Shield Removed PART NO SBA390198480 LOCATION Inside of Engine Side Shields ...

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