![John Deere 710D Operation and Test Manual [Backhoe Loader]](https://youfixthis.com/wp-content/uploads/2018/07/10-07-2018-12-33-35-300x300.png)
Part of the John Deere Repair Manuals.
This is TM400619, the factory repair manual for the John Deere 6830 and 6930, the two big premium 6030-series tractors built from 2007 to 2013. It covers actual wrenching: pulling the PowerTech 6.8L, timing it, splitting the tractor to get at the PowrQuad module, resealing the load-sensing hydraulic pump, changing rear wet brake discs, and stripping the cab for AC or suspension work. You get the specifications and torque values John Deere dealers use, plus tests and adjustments so you can prove a repair before you bolt everything back together. If your 6930 is overheating, cutting out cold, or the loader has gone lazy, the procedures to fix it properly are in this book.
What's Inside This John Deere 6830, 6930 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 7-31 | Safety Measures, Machine Runaway Prevention, Fluid Safety |
| General Information & Specifications | 32-95 | Model Specifications, Tests and Adjustments, Predelivery and Torque Values |
| Engine | 96-128 | PowerTech 6.8L Removal and Installation, Engine Specifications, Timing and Reassembly |
| Fuel, Air Intake, Cooling and Exhaust | 129-187 | Fuel System Service, Variable-Geometry Turbo and Air Intake, Cooling and Exhaust |
| Electrical System | 188-264 | Connector Information, Charging and Starting Circuits, Lighting |
| Electronic Control Units | 265-283 | Control Unit Removal and Installation, Sensor and Actuator Service |
| PowrQuad Transmission | 284-555 | Transmission Shift Unit, PowrQuad Module, Creeper and Range Transmission |
| Drive Train | 556-792 | Driveshaft and Torsion Damper, Front-Wheel Drive Clutch, Differential and Final Drives |
| Steering and Brakes | 793-923 | Hydrostatic Steering, Brake Valve, Rear Wet Brakes |
| Hydraulic System | 924-1184 | Load-Sensing Pump, Control Valves and SCVS, Rockshaft and Hitch |
| Miscellaneous | 1185-1407 | Main Frame and Hitches, Wheels, Ballast |
| Operator's Cab | 1408-1576 | Controls and Instruments, Air Conditioning and Heating, Cab Suspension |
| Special Tools | 1577-1624 | Required Service Tools, Dealer-Fabricated Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| up to Model Year 2009 | ||
| Number of cylinders | 6 | p. 34 |
| Bore | 106.5 mm (4.19 in.) | p. 34 |
| Stroke | 127 mm (5.00 in.) | p. 34 |
| Displacement | 6.8 L (414 cu.in.) | p. 34 |
| Firing order | 1-5-3-6-2-4 | p. 34 |
| Compression ratio | 17.0:1 | p. 34 |
| Valve clearance (intake valves) | 0.36 mm (0.014 in.) | p. 34 |
| Valve clearance (exhaust valves) | 0.46 mm (0.018 in.) | p. 34 |
| Thermostat opening temperature | 82°C (180°F) | p. 34 |
| Slow idle speed | 845 - 855 rpm | p. 34 |
| Fast idle speed | 2245-2255 rpm | p. 34 |
| Rated engine speed | 2100 rpm | p. 34 |
| 6830, up to Model Year 2009 | ||
| Engine power | 103 kW (140 hp) | p. 34 |
| Maximum engine power | 108 kW (147 hp) | p. 34 |
| Max. torque at 1600 rpm | 625 Nm (461 lb.-ft.) | p. 34 |
| 6930, up to Model Year 2009 | ||
| Engine power | 114 kW (155 hp) | p. 34 |
| Maximum engine power | 120 kW (163 hp) | p. 34 |
| Max. torque at 1600 rpm | 695 Nm (513 lb.-ft.) | p. 34 |
| from Model Year 2010 | ||
| Number of cylinders | 6 | p. 35 |
| Bore | 106.5 mm (4.19 in.) | p. 35 |
John Deere 6830, 6930 Common Problems This Manual Covers
Temperature gauge shoots to maximum shortly after startup, engine otherwise runs fine
Classic broken plastic water pump impeller on the 6.8L, the shaft spins but no coolant moves. The Cooling section walks through pump removal, installation and cooling system tests so you can verify circulation and fan operation before calling the overheat fixed.
Manual Section: Fuel, Air Intake, Cooling and ExhaustStarts from cold, runs a few seconds, then dies, worse after sitting overnight
The braided fuel hoses on these tractors go porous with age, letting air in and fuel drain back overnight. The Fuel System section covers fuel line and supply system removal and installation, plus the tests to confirm the low pressure side is airtight after you replace the hoses.
Manual Section: Fuel, Air Intake, Cooling and ExhaustVGT linkage stiff, will not drop back under its own weight, power down and smoke up
Seized turbo vanes from carbon buildup, common on machines doing light work. The turbocharger procedures cover removal, inspection and installation of the variable geometry unit along with the intake and exhaust connections, so you can swap or free it off and reassemble to spec.
Manual Section: Fuel, Air Intake, Cooling and ExhaustLoader cycle times getting longer, lift and tilt noticeably slower under load
Usually the load-sensing system: a worn pump or leakage in the LS circuit robbing flow. The Hydraulic System section covers the load-sensing pump, control valves and SCVs with pressure and flow tests and adjustments, so you can measure standby and working pressures and prove whether the pump or a valve is at fault.
Manual Section: Hydraulic SystemFrequently Asked Questions
Does this manual include diagnostic trouble codes and wiring schematics?
No, and it is worth knowing before you buy. TM400619 is the Repair manual: component removal, installation, specifications, tests and adjustments. The fault code charts and functional schematics for these tractors live in the separate Diagnosis and Tests manual (TM400419). If a code is on the corner post display and you do not know what it means, you want that companion book. Once you know which component failed, this is the book that tells you how to get it out and set it up right on the way back in.
My 6930 overheats within minutes of starting. Will this manual help?
Yes, this is a known weak point on these engines. The water pump has a plastic impeller, and when it breaks the gauge pegs almost immediately because coolant simply stops moving. The cooling section covers water pump removal and installation on the PowerTech 6.8L, plus thermostat and cooling system testing so you can confirm the fix. Do not keep running it hot hoping it settles, a cooked 6.8L costs far more than a pump.
Does it cover the variable geometry turbo?
It does. The VGT on these engines seizes when the vane mechanism cokes up, the classic check is lifting the actuator linkage and seeing whether it drops back under its own weight. The manual covers turbocharger removal, installation and the related air intake and exhaust work. Actuator calibration and turbo related fault codes sit in the Diagnosis manual, but the physical replace-and-set-up procedure is here.
Can I actually rebuild the PowrQuad transmission with this, or is it dealer only?
The procedures are all here: shift unit, PowrQuad module, creeper and range transmission removal, disassembly and reassembly with the clearances and torque values. Be honest about the job though, splitting one of these tractors needs proper stands, splitting rails and a clean floor. Plenty of owners use this book to do clutch packs and shift unit work themselves and leave a full module rebuild to a shop. Either way you will know exactly what the shop should be doing.
What format is the manual and can I print it?
It is a PDF download, delivered after purchase. It is searchable, so you can jump straight to a torque value instead of flipping pages with dirty hands. Print the pages you need for the job and let them get oily, the file stays clean on your laptop or phone in the cab. Works on any device with a PDF reader, no activation nonsense.
