Case MX150 MX170 Repair Manual [Tractor]

Factory Service Repair Manual For Case IH MX150 MX170. Detailed step by step illustrations, instructions, diagrams for Troubleshooting, remove and install, disassembly, installation, repair procedures as well as machine specifications, tightening references, maintenance, inspection.

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Models

Case IH
MX150
MX170

Contents

SECTION GENERAL
Loctite Product Chart
Standard Torque Specifications
Safety Rules, General Information and Torque Specifications
General Specifications and Torques
Special Tools
SECTION ENGINE
Engine Removal
SECTION FUEL SYSTEM
Fuel Tank
SECTION ELECTRICAL
Instrument Cluster Programming
Battery Servicing and Testing
Alternator
SECTION STEERING
How It Works
Steering Column and Steering Hand Pump
Rexroth Steering Hand Pump
Danfoss Steering Hand Pump
Eaton Steering Hand Pump
SECTION TRANSMISSION
Engine and Speed Transmission Split
Speed Transmission and Range Transmission Split
Transmission Input Drive Shaft and Torque Dampener
Servicing the Powershift Transmission
Servicing the Range Transmission
Powershift Valve
Shuttle Valve
Differential and Differential Lock
MFD Drive Shaft
MFD Output Shaft and Bearings
MFD Clutch
Rear Axles and Planetaries
PTO
MFD Axle
PTO Front Drive Shaft and Hydraulic Pump Drive Gear
SECTION BRAKES
How it Works
Parking Brake
Service Brakes
Hydraulic Trailer Brake Valve
SECTION HYDRAULICS
How it works
How to Read Hydraulic Schematics
Hydraulic Troubleshooting and Schematic
Charge Pump I Transfer Pump
Hydraulic Valves
Front Hitch
Rear Hitch
SECTION CHASSIS AND MOUNTED EQUIPMENT
Pedal, Lever Adjustments
Air Conditioner Troubleshooting
Air Conditioner Gauges and Testing
Air Conditioner System Service
Air Conditioner System Components Service
Cab Removal and Tilting the Cab Roof
SECTION CONTROLLER SYSTEMS
Hitch/MFD/Differential Lock Controller Calibration, Error Codes, Troubleshooting and Schematics
Independent Front Suspension Axle Calibration, Error Codes, Troubleshooting and Schematics PTO/FNR Controller and Powershift Configuration, Error Codes and Schematics
Programming the PTO/FNR Controller and Hitch/MFD/Differential Lock Controller
Part of manual:
Steering Priority
When the tractor is started, the PFC pump supplies oil to the Priority/ Regulator Valve at port (P). The flow is directed to the steering priority spool (1 Oa) which is moved down by its spring (diagram 1 ). This allows flow past the spool to the steering supply port (S) and also through an orifice to the lower end of the spool (1 Oa).
The steering control valve is a closed center type valve, so there is no flow through it until the steering wheel is rotated. With the steering in neutral, the pump supply pressure increases to 15 bar (220 psi) and moves the steering priority spool against its spring (diagram 2). In this position the pump flow is redirected past the spool to the passage (A) which is connected to the P1 pressure regulator spool and also to the optional trailer brake at port (TB).
The steering priority spool also allows a small flow to the steering supply port (S) to maintain the 15 bar (220 psi) pressure differential across the spool.
When the steering wheel is rotated, t he steering control valve spool directs the pump supply (P) to the steering cylinder (26) and also through the steering signal port (SP) into the signal circuit (SL) which increases pressure. This signal pressure is connected to the PFC pump compensator spool and also to the spring end of the steering priority spool.