From inside (document excerpt):
Form No. 3327-980 824 Power ShiftR Snowthrower Model No. 38543–230000001 and Up Operator’s Manual International English (GB) This spark ignition system complies with Canadian ICES-002. Ce système d’allumage par étincelle de véhicule est conforme à la norme NMB-002 du Canada. The enclosed Engine Owner’s Manual is supplied for information regarding The U.S. Environmental Protection Agency (EPA) and the California Emission Control Regulation of emission systems, maintenance and warranty. Keep this engine Owner’s Manual with your unit.
Should this engine Owner’s Manual become damaged or illegible, replace immediately. Replacements may be ordered through the engine manufacturer. Contents Page Introduction . 2 Safety 3 Safe Operating Practices 3 Toro Snowthrower Safety . 4 Sound Pressure 5 Sound Power . 5 Vibration . 5 Safety and Instruction Decals . 6 Assembly . 8 Loose Parts . 8 Installing the Auger/Impeller Housing . 8 Installing the Shift Rod . 9 Installing the Discharge Chute 10 Installing the Chute Control Gear . 10 Installing the Skids . 11 Before Starting . 11 Filling the Engine Crankcase with Oil 11 Filling the Fuel Tank with Gasoline 12 Checking the Tire Pressure 13 Reviewing the Maintenance Schedule 13 Operation . 13 Operating Controls . 13 Removing the Carburetor Heater Box 14 Installing the Carburetor Heater Box . 15 Starting the Engine . 15 Stopping the Engine 16 Operating the Power Shift Feature . 16 Freewheeling or Self-propel Drive 16 Snowthrowing Tips 17 Maintenance . 18 Recommended Maintenance Schedule . 18 Checking the Engine Oil Level . Checking the Auger Gearbox Oil Level Adjusting the Skids and the Scraper . Adjusting the Traction Drive Belt . Adjusting the Auger/Impeller Drive Belt Replacing the Drive Belts . Changing the Engine Oil Lubricating the Drive Chain.