This is Ford service manual 40231090 (SE3660), reprinted 8/94, for the 2600, 3600, 4100, 4600, 5600, 6600, 6700, 7600 and 7700.
It comes in three volumes and thirteen parts. It covers diesel and gasoline engines, fuel injection, and electrical systems with wiring diagrams. It also covers clutches, transmissions, PTO, rear axle and brakes, hydraulics, steering, front wheel drive, cabs and remote control valves.
The engine, fuel system and electrical parts each close with a trouble shooting and specifications chapter, and the hydraulic part includes hydraulic system schematics.
What's Inside This Ford 2600–7700 Series Manual
| System | Pages | Key Topics |
|---|---|---|
| Foreword, Serial Number and Date Codes | 1-10 | Foreword, Serial Number, Date Code |
| Diesel Engines | 11-52 | Cylinder Head, Valves, Pistons, Connecting Rods, Crankshaft, Timing Gears, Lubrication |
| Cooling System | 53-60 | Thermostat, Water Pump, Radiator, Fan |
| Gasoline Engines | 61-64 | Gasoline Engine, Governor |
| Engine Trouble Shooting, Specifications and Special Tools | 65-86 | Trouble Shooting, Specifications, Torque, Special Tools |
| Fuel Systems, Gasoline and Diesel | 87-116 | Carburetor, Fuel Pump, Bleeding, Fuel Filter |
| Air Cleaners and Injectors | 117-128 | Air Cleaner, Injector |
| Fuel Injection Pumps, Distributor and In-Line Type | 129-178 | Distributor Type, In-Line Type, Pump Timing, Delivery Valve |
| Turbocharger | 179-188 | Turbine, Compressor Wheel, Bearing, Boost Control Unit |
| Fuel System Trouble Shooting, Specifications and Test Plans | 189-218 | Trouble Shooting, Specifications, Test Plan, Nozzle |
| Wiring, Lights, Switches and Instrumentation | 219-260 | Wiring, Lights, Switches, Instrumentation, Instrument Cluster, Sender, Turn Signal, Key-Start Switch, Fuse |
| Battery and Starting System | 261-290 | Battery, Specific Gravity, Starting System, Starter Motor |
| Charging Systems, Alternators with Integral and External Regulator | 291-342 | Alternator, Integral Regulator, External Regulator |
| Ignition System | 343-370 | Distributor, Ignition Coil, Spark Plug |
| Electrical Trouble Shooting, Specifications and Wiring Diagrams | 371-420 | Trouble Shooting, Specifications, Wiring Diagram |
| Clutches | 421-472 | Single Clutch, Double Clutch, Release Bearing |
| Transmission Systems and Dual Power | 473-570 | Eight Speed Transmission, Seven and Eight Speed, Dual Power, Trouble Shooting |
| Power Take-Off | 571-618 | Transmission P.T.O., Live P.T.O., Independent P.T.O., Trouble Shooting |
| Rear Axle and Brakes | 619-700 | Rear Axle, Brakes, Differential Lock |
| Hydraulic Systems | 701-866 | Hydraulic System Circuits, Hydraulic Power Lift, Lift Cylinder, Load Monitor, Hydraulic Pumps, Adjustments |
| Steering Systems | 867-948 | Steering Gear, Power Assisted Steering, Hydrostatic Steering |
| Front Axle and Front Wheel Drive | 949-1108 | Front Axle, Front Wheel Drive, Transfer Box |
| Safety Cabs, Platforms and Separating the Tractor | 1109-1178 | Safety Cab, Platform, Separating the Tractor, Door, Window, Roof, Removal and Replacement, Splitting |
| Air Conditioning, Cab Heating, Remote Control Valves and Trailer Brake Valve | 1179-1274 | Air Conditioning, Cab Heating, Remote Control Valves, Trailer Brake Valve, Compressor, Condenser, Evaporator, Expansion Valve, Refrigerant |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Diesel compression ratio | 2600 17.3:1; 3600, 4100, 4600, 5600, 6600 and 6700 16.3:1; 7600 and 7700 15.6:1 | p. 70 |
| Firing order | 1-2-3 (3-cylinder); 1-3-4-2 (4-cylinder) | p. 70 |
| Exhaust valve lash clearance (cold) | 0.017-0.021 in (0.43-0.53 mm) | p. 71 |
| Intake valve lash clearance | 0.014-0.018 in (0.36-0.46 mm) | p. 72 |
| Oil pump relief valve pressure | 60-70 lbf/in² (4.1-4.8 bar) at 2000 rev/min | p. 78 |
| Engine oil with filter, 2600, 3600, 4100, 4600 (Imp pts / U.S. pts / litres) | 11.7 / 14 / 6.6 | p. 79 |
| Engine oil with filter, 5600, 6600, 6700, 7600, 7700 (Imp pts / U.S. pts / litres) | 15 / 18 / 8.5 | p. 79 |
| Cooling system with heater, 2600, 3600, 4100, 4600 (Imp pts / U.S. pts / litres) | 20 / 24 / 11.4 | p. 80 |
| Cooling system less heater, 2600, 3600, 4100, 4600 (Imp pts / U.S. pts / litres) | 18.3 / 22 / 10.4 | p. 80 |
| Thermostat opening temperature | 188°F (87°C) | p. 80 |
| Cylinder head bolts (engine cold) | 105-115 lbf ft (143-156 Nm) | p. 81 |
| Connecting rod nuts | 60-65 lbf ft (82-88 Nm) | p. 81 |
| Flywheel-to-crankshaft bolts | 100-110 lbf ft (136-149 Nm) | p. 81 |
| Crankshaft pulley-to-crankshaft | 150-180 lbf ft (203-244 Nm) | p. 81 |
| Dual Power, normal drive engaged pressure | 150-180 lbf/in² (10.3-12.4 bar) | p. 560 |
| Dual Power, power drive engaged pressure | 155-185 lbf/in² (10.7-12.8 bar) | p. 560 |
| Independent P.T.O. (single speed) | 540 rev/min at 1900 engine rev/min | p. 614 |
| Independent P.T.O. (two-speed) | 540 rev/min at 1900 and 1000 rev/min at 2060 engine rev/min | p. 614 |
| Hydraulic pressure relief valve, fully opening | 2550-2650 lbf/in² (178-186 bar) | p. 852 |
| Battery | 80 AH or 128 AH, 12 V | p. 381 |










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