Part of the John Deere Repair Manuals.
A friction disc drive that slips under load is the nastiest job on these machines, and this John Deere service and troubleshooting manual (OEM #381048) works through it in 180 pages covering six snow thrower models: 726E, 827E, 1028E, 1330SE, 1332PE, and 1338PE. Electrical schematics trace the ignition module and stator circuits across all six, plus the chute rotation motor circuit on the 1028E, 1330SE, 1332PE, and 1338PE, with component locations so a dead headlight or a no-spark condition stops being a mystery. All six run Briggs & Stratton engines (Snow Series on the 726E through 1028E, Professional Series on the 1330SE through 1338PE); engine troubleshooting runs from systems check through carburetion, compression, and crankshaft repair, while the power train chapter handles drive belt tension, axle replacement, and the speed selector fork. Torque the friction disc capscrews to 6-10 lb-ft on reassembly. Bookmarks put the section you came for two clicks away, and the text layer turns up any spec by keyword.
What's Inside This Manual
| System | Pages | Key Topics |
|---|---|---|
| Safety | 5-12 | Recognize Safety Information, Special Messages, Replace Safety Signs, Understand Signal Words, Wear Protective Clothing, Handle Chemical Products Safely |
| Safety Tests | 13-15 | Test Conditions (1 - Auger/Impeller, 2 - Traction Drive, 3 - Free-Hand Control) |
| General Specifications | 16-22 | Machine Specifications 726E, Machine Specifications 827E, Machine Specifications 1028E, Machine Specifications 1330SE, Machine Specifications 1332PE, Machine Specifications 1338PE |
| Repair Information | 23-24 | Metric Fastener Torque Values, Inch Fastener Torque Values |
| Gasoline | 25 | Using Proper Fuel, Gasoline Storage |
| Oils & Lubricants | 26-27 | Alternative Lubricants, Engine Oil, Engine Break-In Oil, Synthetic Lubricants, Mixing of Lubricants, Lubricant Storage, Grease |
| Identification Numbers and Engine Specifications | 28-37 | Serial Number Locations, Engine General Specifications, Test and Adjustment Specifications, Torque Specifications |
| Engine Troubleshooting and Repair | 38-82 | Systems Check, Ignition System, Carburetion, Compression, Cooling System, Electric Starters, Cylinder Head, Crankshaft |
| Electrical System | 83-108 | Electrical Schematics, Component Location, Diagnostic Information, Ignition Module, Stator Testing, Headlight Replacement |
| Power Train | 109-144 | Traction Drive, Drive Belt Tension, Axle Replacement, Friction Disc Replacement, Speed Selector Fork, Drive Belt Tensioner |
| Miscellaneous and Auger Systems | 145-180 | Auger Drive, Auger Housing, Chute Rotation Motor, Auger Shear Pin, Impeller Disassembly, Auger Gearbox |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Spark Plug Torque | 180 lb-in. (20 Nm) | p. 37 |
| Belt Stop Alignment from Engaged Belt | 1/16 in.-1/8 in. (1.6-3 mm) | p. 110 |
| Drive spring length | 3 in. to 3-3/8 in. (76 mm to 85 mm) | p. 124 |
| Auger Drive Belt Deflection | 1/2 in. (12.5 mm) | p. 147 |
| Pulley Setscrew (Auger Drive) Torque | 20 lb-ft. (28 Nm) | p. 147 |
| Belt Guide Clearance | .03-.06 in. (.76-1.5 mm) | p. 147 |
| Belt Guide Capscrew Torque | 10-14 lb-ft. (13.5-19 Nm) | p. 147 |
| 726E, 827E, 1028E, 1330SE | ||
| Friction Disc Capscrew | 6-10 lb-ft. (8.13-13.6 Nm) | p. 110 |
| 1332PE, 1338PE | ||
| Friction Disc Collar Set Screw | 55-60 lb-ft. (74.6-81.3 Nm) | p. 110 |
| Axle Shaft Collar Set Screw | 10-14 lb-ft. (13.6-19 Nm) | p. 110 |
| 726E, 1028E, 1330SE, 1332PE, 1338PE | ||
| Idler Traction Drive Bolt | 10-15 lb-ft. (13.5-20.3 Nm) | p. 110 |
| 726E, 827E, 1028E, 1330SE, 1332PE, 1338PE | ||
| Spark Plug Gap | 0.030 in. (0.76 mm) | p. 16 |
