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Part of the Case Repair Manuals.
This is the complete factory service manual for the Case MX100, MX110, MX120, and MX135 Maxxum-series tractors. It is organized into ten major service groups and covers the tractor from the engine and fuel system through the powershift and synchromesh transmissions, hydraulics, brakes, and the electronic controller systems that manage the hitch, MFD, differential lock, and PTO. You get step-by-step disassembly and assembly procedures, troubleshooting charts, hydraulic and electrical schematics, controller calibration with error codes, and the general specifications and torque values needed to put everything back to factory spec.
What's Inside This Case MX100, MX110, MX120, MX135 Manual
| System | Pages | Key Topics |
|---|---|---|
| General | Loctite Product Chart, Safety Rules, General Information and Torque Specifications, General Specifications and Torques, Special Tools | |
| Engine | Engine Specifications, Removal, Disassembly, Inspection, And Overhaul Procedures | |
| Fuel System | Fuel Tank Removal and Servicing | |
| Electrical | Electrical Troubleshooting and Schematics, Instrument Cluster Programming, Battery Servicing and Testing, Alternator | |
| Steering | How It Works, Steering Column and Steering Hand Pump, Danfoss Steering Hand Pump, Eaton Steering Hand Pump, Rexroth Steering Hand Pump, 2WD Front Axle | |
| Transmission | How It Works, Separating the Tractor, Transmission Input Drive Shaft and Torque Dampener, Servicing the Synchromesh Speed Transmission, Servicing the Powershift Transmission, Servicing the Range Transmission, Powershift Valve, Shuttle Valve, Synchronizer Creep Transmission, Differential and Differential Lock, MFD Drive Shaft, MFD Clutch, Rear Axles and Planetaries, Reversible and Shiftable PTO, MFD Axle, Independent Front Suspension Axle | |
| Brakes | How It Works, Parking Brake, Service Brakes, Hydraulic Trailer Brake Valve | |
| Hydraulics | How It Works, How to Read Hydraulic Schematics, Hydraulic Troubleshooting and Schematic, Hydraulic Pump, Charge Pump and Transfer Pump, Hydraulic Valves, Front Hitch, Remote Valves, Hydraulic Schematic Poster | |
| Chassis and Mounted Equipment | Pedal and Lever Adjustments, Air Conditioner Troubleshooting, Air Conditioner Gauges and Testing, Refrigerant Recovery and Recharging, Air Conditioner Component Service, Cab Removal and Tilting, Platform and ROPS Removal, Cab Mountings | |
| Controller Systems | Hitch, MFD and Differential Lock Controller Calibration, Error Codes and Schematics (PIN-split for Europe and North America), Independent Front Suspension Axle Calibration and Error Codes, PTO and Fnr Controller and Powershift Configuration, Programming the PTO/FNR and Hitch Controllers |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Engine Oil Type | Case No. 1 Engine Oil | |
| Engine Oil Capacity (with filter change) | 15 Litres (3.96 US gal) | |
| Engine Coolant Mix | 50% Water and 50% Ethylene Glycol | |
| MX100, MX110, MX120 | ||
| Engine Coolant Capacity (with cab) | 19.5 Litres (5.2 US gal) | |
Case MX100, MX110, MX120, MX135 Common Problems This Manual Covers
Engine loses power or surges under load
Work the fuel system and engine troubleshooting procedures. Power loss under load often traces to the injection pump or fuel delivery, so verify pump timing and delivery before condemning the engine. The manual gives the removal, servicing, and specification steps needed to test and reset the fuel system to factory values.
Manual Section: Fuel System / EngineHitch will not lift or lifts slowly
Use the Hydraulics group. Start with the hydraulic schematic and troubleshooting chart to isolate whether the fault is at the pump, charge or transfer pump, a stuck valve, or a worn seal, then follow the component service procedure for that part. Confirm charge pressure against the general specifications before replacing the main pump.
Manual Section: HydraulicsPowershift transmission slips or is slow to engage
The Transmission group covers servicing the powershift transmission along with the powershift valve and shuttle valve. Check the transmission controller calibration and the powershift valve operation first, since a calibration or valve fault often mimics clutch-pack wear. The manual gives the disassembly and specification steps to inspect and rebuild the powershift clutches if the calibration checks out.
Manual Section: TransmissionHitch, MFD, or PTO controller throws an error or will not calibrate
Go to the Controller Systems group and match your tractor's PIN to the correct calibration procedure, because the routine changes at PIN JJE956906 (Europe) or JJA96841 (North America). Read the error codes, run the calibration in the documented sequence, and check the related schematics before replacing a controller, since many faults trace back to wiring or a missed calibration step.
Manual Section: Controller SystemsFrequently Asked Questions
Does this manual cover the electronic controller error codes on the MX100 to MX135?
Yes. The Controller Systems group walks through calibration and error codes for the Hitch, MFD, and Differential Lock controller, the Independent Front Suspension axle, and the PTO/FNR and Powershift controller. It is split by PIN range because the procedure changes at PIN JJE956906 (Europe) or JJA96841 (North America), so match your tractor's serial number before you calibrate.
Is the powershift transmission service covered, or just the synchromesh?
Both. The Transmission group has separate procedures for servicing the synchromesh speed transmission, the powershift transmission, and the range transmission, plus the powershift valve, shuttle valve, differential lock, MFD clutch, and the rear axles and planetaries. There are also two versions of the PTO front drive shaft procedure split at transmission serial number JKA118658.
The hydraulics lift slowly or not at all. What does the manual give me?
The Hydraulics group starts with how the system works and how to read the schematics, then moves into troubleshooting with the full hydraulic schematic, the hydraulic pump, charge and transfer pump, the hydraulic valves, front hitch, and remote valves. That lets you trace a slow-lift or no-lift complaint from the schematic to the specific valve or pump instead of swapping parts.
Which steering hand pump does my MX use?
The Steering group covers three different hand pumps used across the range, Danfoss, Eaton, and Rexroth, each with its own service procedure. Identify which one is fitted to your tractor before ordering seals or a rebuild kit, because the internals are not interchangeable.
Are torque specifications and special tools listed?
Yes. The General group carries the general specifications and torque values, the Loctite product chart, and the special tools list, so you have the fastener torques and the correct thread-locker for reassembly in one place.
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