Part of the Case Repair Manuals.
Wrestling with a grader transmission that shifts hard or slips under load? This 865-page Case 845, 865, 885 Service Manual PDF (OEM #6-46503) covers all three motor graders, with dedicated transmission teardown, pressure check, and diagnostic code sections for the 845-865 and the 885. You get complete electrical diagrams, hydraulic schematics with removal and installation procedures, plus full service coverage of steering valves, differential lock rear axles, tandem drives, brakes, and the air conditioning system. Troubleshooting charts walk you through clutch actuation, solenoid voltage checks, and suction leak tests. Torque the starter bolts to 41-74 Nm and set your 1/2-inch 37-degree flare fittings between 20 and 57 Newton metres. Forum threads won't rebuild a tandem Case. This scanned factory PDF is bookmarked by section; load it on any device, jump straight to the chapter, and get wrenching.
What's Inside This Case 845, 865, 885 Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 4-43 | Special Tools - Cross Reference Guide, Standard Torque Specifications, Fluids and Lubricants, Metric Conversion Chart, Service Tools, Loctite Product Chart |
| Engines | 44-53 | Charge Air Cooler |
| Fuel System | 54-55 | |
| Electrical | 56-119 | Removal and Installation of Starter and Alternator, Electrical Diagram, Battery, Alternator 45 Ampere |
| Steering | 120-159 | Front Wheel, Axle and Wheel Lean, Steering Control Valve, Steering Priority Valve |
| Transmission Specifications, Pressure Checks, and Troubleshooting (845-865 Grader) | 160-217 | Special Tools, Specifications, Theory of Operation Clutch Actuation, Gear Selection, Hydraulic System, Clutch Solenoid Voltage Requirements, Test Solenoids, Suction Leak Test, 8-4 Power Flow Forward and Reverse Speeds, Troubleshoot Transmission System Malfunctions, Powershift Troubleshooting, Transmission Control Unit (Tcu) Calibration, System Components (Mpu Sensors, Electronic Gear Selector, Temperature Sensor, Inching Pedal, Tvp), J1-J6 Connector Pinouts, Transmission Wiring Harness, Proportional Valves, System Errors, Analog Tcu Diagnostic Codes |
| Transmission Specifications, Pressure Checks, and Troubleshooting (885 Grader) | 218-273 | Special Tools, Specifications, Theory of Operation Clutch Actuation, Gear Selection, Hydraulic System, Clutch Solenoid Voltage Requirements, Test Solenoids, Suction Leak Test, 8-4 Power Flow Forward and Reverse Speeds, Troubleshoot Transmission System Malfunctions, Powershift Troubleshooting, Transmission Control Unit (Tcu) Calibration, System Components (Mpu Sensors, Electronic Gear Selector, Temperature Sensor, Inching Pedal, Tvp), J1-J6 Connector Pinouts, Transmission Wiring Harness, Proportional Valves, System Errors, Analog Tcu Diagnostic Codes |
| Transmission (845-865 Grader) | 274-419 | Transmission Component Identification, Transmission Mounting and Sensor, Charge Pump, Direct Drive Input Assembly, Control Valve, Main Case Front Housing, Gear Ratio Group, Main Case Rear Housing, Brake Group, Replace Connectors |
| Transmission (885 Grader) | 420-551 | Transmission Component Identification, Transmission Mounting and Sensor, Charge Pump, Direct Drive Input Assembly, Control Valve, Main Case Front Housing, Gear Ratio Group, Main Case Rear Housing, Brake Group, Replace Connectors |
| Rear Axle with Differential Lock | 552-587 | Differential Assembly, Pinion and Cage Assembly, Hydraulic Pressure Test, Spiral Bevel Gear Contact |
| Limited Slip Rear Axle (845-865 Grader) | 588-627 | Axle Section, Oil Change Procedure, Brake Disc Pack, Differential Assembly, Limited Slip Differential |
| Tandem Drive Limited Slip Rear Axle (845-865 Grader) | 628-649 | Special Tools, General Description, Disassembly of the Tandem and Rear Axle Removal and Installation, Rear Axle Removal and Installation, Assembly of the Tandem, Tandem Case Oscillation Adjustment, Determination of the Shim Pack |
| Tandem Drive Differential Hydraulic Lock | 650-665 | General Description, Disassembly of the Tandem and Rear Axle Removal and Installation, Rear Axle Removal and Installation, Assembly of the Tandem, Tandem Case Oscillation Adjustment, Determination of the Shim Pack |
| Brakes | 666-691 | Hydraulic Brake Troubleshooting, Brake Pedal Valve System |
| Hydraulics | 692-757 | Removal and Installation of Hydraulic Components, Hydraulic Schematics |
| Mounted Equipment | 758-865 | Air Conditioning Troubleshooting, Air Conditioner System Operating Instructions, Air Conditioner System Service, Removal and Installation of Air Conditioning Components, Rear Ripper, Frame, Articulation Joint, Circle and Scarifier, Front Blade and Counterweight, ROPS Cab, Cab Glass Installation |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Torque for 1/4 inch (6.4 mm) 37 Degree Flare Fitting | 72 to 144 Pound Inches (8 to 16 Newton metres) | p. 16 |
| Torque for 5/16 inch (7.9 mm) 37 Degree Flare Fitting | 96 to 192 Pound Inches (11 to 22 Newton metres) | p. 16 |
| Starter bolt torque | 41 to 74 Nm (30 to 54 pound-feet) | p. 60 |
| Alternator support bracket bolt torque | 60 to 104 Nm (42.5 to 76 pound-feet) | p. 61 |
| Alternator D+ terminal nut torque | 3.5 to 3.9 Nm (2.6 to 2.9 pound-feet) | p. 61 |
| Maximum tank line back pressure | 300 psi | p. 155 |
| Alternator Torque Nut for Pulley | 60 to 73 Nm | p. 104 |
| Steering Control Valve Cap Screws Torque | 31 Nm | p. 144 |
| Steering Priority Valve Spool Orifice Screws Torque | 7.3 to 9.6 Nm | p. 157 |
| Air Conditioning System Refrigerant Capacity | 1.6 kg | p. 802 |
| Rear Ripper 845 Mounting Torque | 290 to 310 Nm | p. 848 |
