Toro R Tek Duraforce Engine Snow Blower Service Manual, 2005

R-TEK/DURAFORCE (E) ENGINE SERVICE MANUAL Table of Contents ­ Page 1 of 1 PREFACE SAFETY SPECIFICATIONS SPECIAL TOOLS TROUBLESHOOTING MAINTENANCE CARBURETOR FUEL SYSTEM IGNITION SYSTEM REWIND STARTER ENGINE PIVOTING ZONE START BRAKE ELECTRIC START SYSTEM (120 VOLT) ELECTRIC START SYSTEM (12 VOLT) PREFACE ABOUT THIS MANUAL This manual was written expressly for the E series engines. There are two engines in this series. One is piston ported (R tek) and the other is a reed valve (DuraForce). As these engines are of the same family, they will both be covered here.

Snow Blower and Snow Thrower User Manual Free Download. Snow Removal Operator’s Manual. Free Instruction Manual Download PDF. Revision: 2005.

Where there are differences between the two versions, a heading will state which engine is being discussed. We have made every effort to make this information complete and correct. We hope that you find this manual a valuable addition to your service shop. If you have questions or comments regarding this manual, please contact us at the following address: The Toro Company Consumer Service Department 8111 Lyndale Ave. So. Minneapolis, MN 55420-1196 The Toro Company reserves the right to change product specifications or this manual without notice. TABLE OF CONTENTS TABLE OF CONTENTS SAFETY . 1 SPECIFICATIONS . 2 Engine Specifications (All dimensions are for a new engine) . .2 Engine Fastener Torque Requirements 3 Standard Torques .4 Carburetor Specifications . .4 SPECIAL TOOL REQUIREMENTS 5 TROUBLESHOOTING .6 Engine Will Not Start When “Cold ” 6 Engine Will Start When “Cold “, But Not When “Hot ” .6 Engine Will Not Produce Spark .7 Engine Flooded With Fuel .7 Engine Has Low Compression . .7 Engine Lacks Power .8 Engine Surges . .8 Engine Backfires . .8 Engine Overheats .9 Engine Vibrates Excessively .9 Engine Crankshaft Will Not Turn . .9 Engine Produces Mechanical Knocking Sound .9 Engine Pre-Ignites . .10 Engine Smokes Excessively (Smoke is light colored, engine runs well) .10 Engine Smokes Excessively (Smoke is dark, engine runs poorly) .10 Engine Stalls . .11 Spark Plug Fouled . .11 MAINTENANCE .13 Recommended Maintenance Schedule . .13 Air Filter (Mower Only) .14 Spark Plug . .14 Cleaning the Exhaust System (Lawn Mower) .15 Cleaning the Exhaust System (Snowthrower) .16 Reassembling Exhaust System (Mower Only) .16 i TABLE OF CONTENTS CARBURETOR . 17 Identification .17 Theory of Operation .17 Troubleshooting . .18 Preliminary Check . .19 Removal of DuraForce Carburetor . .20 Removal of R tek Carburetor . .20 Disassembly .21 Cleaning and Inspection . .23 Assembly .23 Installation . .25 Governor Theory .26 Reed Valve Engine (DuraForce Engines Only).

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Publisher: www.toro.com