A telehandler whose boom creeps under load, or whose power shift slurs between ranges, rarely gets fixed by guesswork. The Komatsu WH609-1, WH613-1, WH713-1, WH714-1, WH714H-1, WH716-1 shop manual PDF (WEBM005700) runs to 516 pages and covers six telescopic handler variants. Wiring diagrams trace the cab harness and the fuse and relay centre, while hydraulic schematics follow oil from the pump through the safety valves to the lift and offset cylinders. Testing and Adjusting takes up a large share of the book and walks you through engine speed checks and work equipment pressure calibration. Transmission and axle overhaul fills most of the back half. Set the pressure regulator valve between 16.5 and 19.3 bar, and torque M12 8.8 grade bolts to 77 ± 8 Nm. A guessed figure stretches bolts and blows seals. Bookmarks put you on the right chapter in a couple of clicks, and the text layer finds any term you type.
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| Structure and Function | 27-114 | Transmission, Steering System, Hydraulic Pump, Safety Valves, Cylinders |
| Testing and Adjusting | 115-224 | Standard Specifications, Checking Engine Speed, Checking and Calibrating Work Equipment Hydraulic Pressures, Transmission Power Shift Checks |
| Engine and Cooling System | 225-269 | Engine Hood, Air Filter, Turbocharger, Exhaust Pipe, Generator, Radiator, Cylinder Head, Injectors |
| Hydraulic and Control Systems | 270-282 | Engine-Transmission Coupling, Control Valve Assembly, Solenoid Valves, Air Conditioner Compressor, Servo-Control Feed Valve |
| Axles and Steering | 283-288 | Front Axle, Rear Axle, Steering Unit, Steering Column |
| Boom and Work Equipment | 289-323 | Telescopic Boom, Lift and Offset Cylinders, Boom Sliding Shoes, Extension and Retraction Chains, Load Cell |
| Cab and Electrical Components | 324-387 | Control Unit, Ballast, Accelerator Cable, Brake Pumps, Wiper Motors, Instrument Panel, Fuse and Relay Centre, Cab |
| Transmission and Axle Overhaul | 388-508 | Transmission Disassembly, Clutch Assembly, Drop Box Assembly, Axle Disassembly, Planetary Reduction, Differential, Bevel Pinion, Steering Cylinder |
| Other | 509-516 | Cab Wiring, Electrical Diagram |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Standard tightening torque for M6 bolt (8.8 grade) | 9.5 ± 1 Nm | p. 12 |
| Standard tightening torque for M8 bolt (8.8 grade) | 23 ± 2 Nm | p. 12 |
| Tightening torque for 1/2"-20 flared nut | 25.5 ± 4.9 Nm | p. 13 |
| Tightening torque for 9/16"-18 flared nut | 39.2 ± 4.9 Nm | p. 13 |
| Pressure regulator valve | 16.5 - 19.3 bar | p. 44 |
| By-pass valve | 2.1 - 3.5 bar | p. 44 |
| Displacement with servocontrol | 250 cc/rev | p. 70 |
| Displacement in emergency | 125 cc/rev | p. 70 |
| Fuse F17 | 3 A | p. 101 |
| Fuse F28 | 7.5 A | p. 101 |
| Engine oil pan capacity (1st filling) | 12.8L | p. 17 |
| Hydraulic system capacity (1st filling) | 117L | p. 17 |
