Steering, electrical system, PTO clutch, and both gear and hydro drivetrains: the 121-page Ford LGT12–LGT18H lawn and garden tractor service manual, OEM ID 40641005, walks each one end to end across all seven models, LGT12 through LGT18H. Factory wiring diagrams for the 12 and 17 H.P. gear and hydro models trace every circuit through the interlock system, seat switch to PTO warning light. Separate procedure sections treat the gear drive transaxle and the hydrostatic transmission on their own terms, and trouble-shooting charts fill the final quarter of the book, from engine starting to attachment lift faults. Check a suspect clutch coil against the specified 2.05 to 2.77 ohms before ordering parts, then torque the center capscrew to 50 ft./lbs. on reassembly. Nobody at the parts counter remembers these tractors. It's you and the machine. The bookmarked, text-searchable PDF sits wherever your tractor does: barn, garage, or trailer.
Complete the set for your LGT12–LGT18H
What's Inside This Manual
| System | Pages | Key Topics |
|---|
| Introduction and Safety | 23 | Personal Considerations |
| Maintenance | 24 | General Inspection, Battery, Tire Pressures |
| Bolt Torque Specifications | 25 | Capscrews, Thread Forming Screws |
| Lubrication Charts | 26-28 | Engine Oil Level, Engine Air Filter, Axle Pivot, Tie Rod, Front Wheel Spindles, Steering Sector Gear |
| Adjustments and Servicing | 29-63 | Engine (H.P. Engine Removal), Electric Clutch/Brake Adjustment (Clutch Coil Check, Removal), Fuel Tank Removal, Throttle Control Lever Removal and Adjustment |
| Procedures for Gear Drive Tractors Only | 64-71 | 90° Traction Drive Gear Box Removal, Traction Drive Belt (Adjustment, Replacement), Clutch/Brake Pedal Removal, Clutch/Brake Arm Assembly Removal |
| Procedures for Hydro Drive Tractors Only | 72-93 | Clutch/Brake Pedal Shaft Removal, Clutch/Brake-Forward/Reverse Pedal Shaft Removal |
| Trouble-Shooting | 94-121 | Engine Starting, Traction Drive, Traction Drive Brake, P.T.O. Clutch, P.T.O. Warning Light, Attachment Lift Lever |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Bolt Torque Specifications | 5 to 185 ft./lbs. | p. 25 |
| Center mounting capscrew torque | 50 ft./lbs. | p. 34 |
| Electric clutch field coil resistance | 2.05 to 2.77 ohms | p. 35 |
| Battery voltage | 12 volt | p. 53 |
| Fuse rating | 25 Amp | p. 50 |
| Pressure relief valve setting | 800 PSI | p. 88 |
| Pressure relief valve adjustment | 1/4 turn equals approximately 120 PSI | p. 88 |
| Required pressure for lift circuit | 800 PSI | p. 87 |
| Body/Cover cap screw torque | 15 foot pounds | p. 114 |
| Engine RPM (High Speed, No Load) | 3300-3500 RPM | p. 29 |
| Clutch Field Coil Resistance | 2.05-2.77 ohms | p. 35 |
| Transaxle Oil Capacity | 4 pints | p. 26 |
