Part of the Case IH Operator Manuals.
Looking for the factory operating procedures for your vintage machine? This 50-page Case IH F12 operator manual PDF (OEM #INT-5119A) covers the complete controls, daily maintenance, and fluid requirements for the F12 McCormick-Deering Farmall Tractor. You get full dashboard indicator breakdowns, cold weather starting procedures for both distillate and gasoline, and clear wiring diagrams to sort out ignition faults. Open to the maintenance section for daily service schedules and high-quality exploded views of the carburetor controls. Set your breaker point opening exactly to .013 inches and dial in the spark plug gap between .020 and .025 inches before putting it to work. Stop relying on forum guesses for your classic iron. This bookmarked file opens on your phone or tablet, so you can grab the right numbers and keep your tractor running strong.
What's Inside This Case IH F12, F12 McCormick-Deering Farmall Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Lubrication | 4 | Engine Crankcase, Magneto & Coupling, Lubricating Fittings, Air Cleaner, Transmission Case, Steering Gear Case |
| Operating Precautions | 5 | Gear Shift Lever, Radiator, Engine Oil, Spark Control, Clutch, Draw Bar |
| Distillate Operation, and Preparing Tractor for Starting | 6 | Distillate, Winterfront, Heat Indicator, Manifold Heat Control, Fuel System, Gasoline Shut-Off Valve |
| Radiator Shutter (Distillate Operation) | 7-8 | Winterfront, Shutter Crank, Control Handle, Operating Temperature |
| Starting Engine (Distillate Operation) | 9-10 | Spark Control Lever, Choke Rod, Magneto, Spark Lever, Fuel Mixture, Oil Pressure Indicator |
| Gear Shifting | 11 | Clutch Pedal, Gear Shifting Lever, Low Speed Forward, Intermediate Speed Forward, High Speed Forward, Reverse |
| Carburetor (Distillate) | 12 | Air Intake, Fuel Adjusting Screw, Idling Adjusting Screw, Idle Throttle Stop Screw, Main Fuel Adjustment, Hot Spot Manifold |
| Gasoline Operation | 13-14 | Fuel Tank, Gasoline Shut-Off Valve, Engine Speed Control Hand Lever, Manifold Heat Control Valve, Spark Control Lever, Choke Rod |
| Starting Engine (Gasoline Operation), and Engine Speed Control | 15-16 | Spark Control Lever, Choke Rod, Cranking Engine, Oil Pressure Indicator, Governor, Engine Speed Control Hand Lever |
| Carburetor (Gasoline) | 17 | Air Intake, Starting Shutter Shaft, Fuel Adjusting Screw, Idling Adjusting Screw, Throttle Shaft Assembly, Hot Spot Manifold |
| Draw Bar, Rear Wheels, Steering, Brakes, and Stoping Engine | 18 | Steering Mechanism, Internal Expanding Brakes, Clutch Pedal, Gear Shifting Lever, Rear Wheel Hub Bolts, Draw Bar Assembly |
| Cold Weather Operation | 19-23 | Engine Lubricants, Transmission Lubricants, Magneto Coupling Kerosene, Water System Drainage, Anti-Freezing Solutions, Winter Grade Gasoline |
| Air Cleaning System | 24-25 | Oil Cup, Air Intake Pipe Screen, Inlet Tube, Washing Cleaner, Flexible Rubber Connections, Gaskets |
| Oil Filter Care | 26 | Drain Plug, Retaining Bar, Outer Shell, Metal Element, Filter Base, Case Gasket |
| Fuel Pump, Fuel Strainer, and Fuel Tanks | 27 | Fuel Strainer, Fuel Pump Diaphragm, Fuel Lines, Fuel Tank Air Vent, Fuel Tank Capacity, Fuel Shut-Off Valve |
| Spark Plugs and Cables, Engine Ignition, and Wiring | 28 | Spark Plugs, Spark Plug Cables, Magneto Wiring, Engine Timing, Magneto Timing, Engine Firing Order |
| Magneto | 29-34 | Lubrication, Breaker Points, Impulse Coupling, Distributor, Timing |
| Corrective Measures | 35 | Failure to Start, Irregular Speed, Lack of Power, Overheating, Missing and Backfiring, Lack of Oil Pressure |
| Storing Tractor | 36-38 | Draining Water, Lubricating Cylinders, Flushing Valves, Flushing Connecting Rod Bearings, Flushing Magneto Automatic Impulse Coupling, Draining Fuel System |
| Overhauling | 39-50 | Crankshaft Bearings, Cylinders - Carbonized, Gaskets, Pistons, Piston Rings, Valve Clearance and Adjustment |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Breaker point opening | .013" | p. 30 |
| Distributor block removal interval | 200 or 300 hours | p. 32 |
| Spark plug gap | .020" to .025" | p. 28 |
| Recommended spark plug type | Champion No. 1 or AC Tractor 9 | p. 28 |
| Oil filter cleaning interval | daily | p. 26 |
| Oil filter element replacement condition | if there are any breaks | p. 26 |
| Engine Cylinders | 4 | p. 38 |
| Engine Bore | 3 in. | p. 38 |
| Engine Stroke | 4 in. | p. 38 |
| Engine Speed (governed) | 1400 r.p.m. | p. 38 |
| Crankcase Pan Oil Capacity | Approx. 5½ U.S. qts. | p. 38 |
| Water Cooling System Capacity | Approx. 3½ U.S. gals. | p. 38 |
