Part of the Case Repair Manuals.
All 220 pages of this Case 686G Service Manual (OEM #7-89650) focus on one machine family: the 686G and 686G XR telescopic handlers, from engine bay to boom tip. Inside, you get full electrical schematics covering the console and enclosed cab option, a complete hydraulic schematic with fluid routing through the boom control valve, frame leveling circuit, and joystick assembly, plus a troubleshooting section hitting every major system: engine, steering, powershift transmission, brakes, hydraulic pump, and boom. Packed with exploded views and step-by-step rebuild procedures for every cylinder in the machine. Torque the crowd cylinder piston locknut to 1492-1763 Nm and the boom lift cylinder piston locknut to 1898-2305 Nm — exact factory numbers, right here. Your telehandler is down and the clock is running. Grab this PDF, search any spec by keyword, bookmark any section, and get back under the boom.
What's Inside This Case 686G, 686G XR, 686GXR Manual
| System | Pages | Key Topics |
|---|---|---|
| General | 3-22 | Safety Information (Understanding Signal Words), Engine Safety, Electrical Safety |
| Engine | 23-40 | Type, Horsepower, Oil, Normal Operating Temperature, Low Idle Speed, High Idle Speed |
| Fuel System | 41-46 | Fuel System and Filters, Specifications (Diesel Fuel, Fuel Storage, Acceptable No. 2 Diesel Fuel) |
| Electrical System | 47-62 | Electrical System Specifications, Electrical Schematic, Troubleshooting, Gauges and Senders, Alternator, Starter |
| Steering System | 63-90 | Steering Control Valve, Steering System Specifications, Troubleshooting, Removal and Disassembly (Remove Steering: Wheel, Control Valve) |
| Power Train | 91-114 | Transmission, Powershift Transmission Specifications, Low Clutch Pressure, Low Charging Pump Output, Overheating, Noisy Converter, Lack of Power, Axle Specifications |
| Brakes | 115-134 | Brake System, Brake System - How It Works (General, Operation), Brake System Specifications, Brake Valve (Removal, Disassembly, Assembly, Installation) |
| Hydraulics | 135-186 | Hydraulic System |
| Mounted Equipment and Chassis | 187-218 | Mounted Equipment (Frame Leveling Circuit, Boom Assembly, Crowd Cylinder), Boom Specifications, Troubleshooting, Boom, Boom Components Removal and Installation |
| Electrical and Hydraulic Schematic | 219-220 | 686G and 686GXR Telehandler Electrical Schematic, Console, Enclosed Cab Option, 686G and 686GXR Telehandler Hydraulic Schematic |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Crowd Cylinder Piston Locknut Torque | 1492 to 1763 Nm (1100 to 1300 lb-ft) | p. 173 |
| Boom Lift Cylinder Piston Locknut Torque | 1898 to 2305 Nm (1400 to 1700 lb-ft) | p. 175 |
| Park Brake Solenoid Mounting Nut Torque | 5 - 8 Nm (4 - 6 lb-ft) | p. 166 |
| Park Brake Solenoid to Cartridge Nut Torque | 5 - 8 Nm (4 - 6 lb-ft) | p. 167 |
| Load Sensing (LS) Adjustment Seal Lock Nut Torque | 23 Nm (17 lb-ft) | p. 164 |
