Part of the John Deere Repair Manuals.
All 398 pages of this Scotts Lawn Tractor Technical Manual (OEM #TM1776) target one job: putting your S1642, S1742, S2046, or S2546 Limited Edition back on the lawn and cutting clean. Inside, you get three complete engine chapters covering Briggs & Stratton single-cylinder, Kohler single-cylinder, and Briggs & Stratton V-Twin units, each with full tests, adjustments, and repair sequences. The electrical chapter runs deep: component locations, wiring harnesses, and a thorough troubleshooting section covering gear and hydrostatic power trains alike. Torque the spindle assembly nuts to 27 N-m (20 lb-ft) and the blade cap screws to 53 N-m (39 lb-ft). Confirmed specs, not forum estimates. Your machine is down and every hour it sits costs you. Search any spec by keyword, jump straight to the wiring section, or pull up deck leveling procedures on your phone right next to the tractor. One download, every answer.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Mower Deck – 42 & 46 Inch | Deck Removal and Installation, Mower Blade Service, Drive Belt Replacement, Deck Leveling, Gauge Wheel Adjustment | |
| Introduction | 3-8 | |
| Specifications and Information | 9-20 | Specifications, Inch Torque Values, Metric Torque Values, Gasoline Specifications, Lubricant Specifications, Serial Number Locations |
| Engines – Briggs & Stratton (Single Cylinder) | 21-66 | Air Cleaner Service, Breather Valve Service, Cam Gear Bearing Inspection, Carburetor (Assembly) |
| Engines – Kohler (Single Cylinder) | 67-118 | Specifications, Tests and Adjustments, Fuel and Air Repair, Engine Repair, Troubleshooting |
| Engine – Briggs & Stratton V–TWIN | 119-168 | Specifications, Tests and Adjustments, Repair, Troubleshooting |
| Electrical | 169-290 | Specifications, Component Location, Wiring Harnesses, Troubleshooting, Tests and Adjustments, Repair, General |
| Gear Power Train | 291-324 | Specifications, Troubleshooting, Component Location, Theory of Operation, Tests and Adjustments, Repair |
| Hydrostatic Power Train K51 | 325-364 | Specifications, Component Location, Theory of Operation, Troubleshooting, Tests and Adjustments, Repair |
| Steering | 365-370 | Component Location, Service Equipment and Tools, Steering Gear - Fixed Drag Link, Steering Gear - Adjustable Drag Link, Replace Pedestal Bushings, Adjust Steering Backlash |
| Attachments | 371-384 | Lift Linkage, Mower Deck, Spindle Brake Adjustment, Mower Belt Tension Adjustment, Deck Leveling, Gage Wheel Adjustment |
| Miscellaneous | 385-392 | Fuel Tank and Dash Panel, Front Wheels Removal and Installation, Rear Wheels Removal and Installation, Front Wheel Bearing Repair, Front Axle Removal, Front Axle Repair |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Spindle Assembly Nuts Torque | 27 N•m (20 lb-ft) | p. 384 |
| Blade Cap Screw Torque | 53 N•m (39 lb-ft) | p. 384 |
| 42-Inch Deck (Single Cylinder Engine) | ||
| Mower Deck Drive Belt - Actual effective length, 42-Inch Deck (Single Cylinder Engine) | 2920 ± 10 mm (115.03 ± 0.4 in.) | p. 14 |
| 42-Inch Deck (V-Twin Engine) | ||
| Mower Deck Drive Belt - Actual effective length, 42-Inch Deck (V-Twin Engine) | 3921.8 ± 10 mm (154.40 ± 0.4 in.) | p. 14 |
| all (Gear Transaxle) | ||
| Clutch actuating spring length (maximum) | 42 – 45 mm (1.65 – 1.77 in.) | p. 306 |
| Sheaves, idlers and idler bearings condition | good condition | p. 303 |
| Input Shaft/Pinion Gear Clearance (between pinion gear and snap ring) | 0.127 mm (0.005 in.) or less | p. 315 |
| Model K51 (Hydrostatic Transaxle) | ||
| Bellcrank spring length (maximum production spring) | 20 ± 1 mm (0.78 ± 0.04 in.) | p. 348 |
| Briggs & Stratton Engine | ||
| Fuel shutoff solenoid ground wire continuity | Continuity to ground | p. 212 |
| Briggs & Stratton Single Cylinder Engine | ||
| Fuel Shutoff Solenoid Torque | 4.4 N•m (40 lb-in.) | p. 24 |
| all (Hydrostatic Transaxle) | ||
| Drive sheaves and idlers condition | good condition and adjusted properly | p. 342 |
| all (Hydrostatic Transaxle K51) | ||
| Pump (Input) Shaft - Wear Limit | Visual Check | p. 328 |
