Form No. 3326-387 Rev A 622 Power Throw Snowthrower Model No.
This spark ignition system complies with Canadian ICES-002. Checking the Auger Gearbox Grease . . . . . . . . . . . Adjusting the Skids and the Scraper . . . . . . . . . . . Adjusting the Speed Selector . . . . . . . . . . . . . . . . . Adjusting the Traction Drive Belt . . . . . . . . . . . . . Replacing the Traction Drive Belt . . . . . . . . . . . . . Adjusting the Auger/Impeller Drive Belt . . . . . . . . Replacing the Auger/Impeller Drive Belt . . . . . . . Changing the Engine Oil . . . . . . . . . .
• Exercise caution to avoid slipping or falling, especially when operating the snowthrower in reverse. This manual identifies potential hazards and has special safety messages that help you and others avoid personal injury and even death. Danger, Warning, and Caution are signal words used to identify the level of hazard. However, regardless of the hazard, be extremely careful.
• Stop the engine whenever you leave the operating position, before unclogging the auger/impeller housing or discharge chute, and when making any repairs, adjustments, or inspections. • Always refer to this operator’s manual for important details if the snowthrower is to be stored for an extended period. • Maintain or replace safety and instruction labels when necessary. • When cleaning, repairing, or inspecting, make certain that the auger/impeller and all moving parts have stopped.
Sound Power Level from accidentally starting the engine. If major repairs are ever needed, contact your Authorized Service Dealer. • Do not change the governor settings on the engine. This unit has a sound power level of 101 LwA, based on measurements of identical machines per Directive 84/538/EEC. • When storing the snowthrower for more than 30 days, drain the fuel from the fuel tank to prevent a potential hazard. Store fuel in an approved fuel container.
Safety and Instruction Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 63-3510 2. Chute direction control 94-2558 1. Cutting/dismemberment in impeller hazard—stay away from moving parts, stop the engine, and remove the key before performing maintenance 99-3215 1. Traction drive 2. Squeeze the control handle to engage 3. Release the control handle to disengage 4.
94-2568 1. Cutting/dismemberment in impeller and auger hazard—stay away from moving parts 2. Thrown object hazard—keep bystanders away Tecumseh Part No. 35063 1. Key ignition 2. Engage to start the engine 3. Disengage to stop the engine 100-3449 1. Forward drive speed settings 2. Speed selector 4. 5. 6. 7. Fast Increasing scale Slow Stop the engine Tecumseh Part No. 36501 3. Reverse drive speed setting 1. Primer Tecumseh Part No. 37119 1.
Assembly Note: Determine the left and right sides of the machine from the normal operating position. Loose Parts DESCRIPTION QTY.
Installing the Handle Assembly 6. Align the holes in the right side of the handle assembly with the holes in the right side plate, and secure the handle with two cap screws and curved washers until they are finger tight. 1. Remove the tie straps that secure the control rods to the handle assembly. 7. Ensure that the handles are at the same height, then tighten the handle fasteners securely. 2. Remove the axle pins from both wheels (Fig.
Installing the Traction Rod 1. Thread the flange locknut (flange side up) onto the bottom of the traction control rod, below the loop in the lower traction rod (Fig. 3). 5 2. Adjust the two flange nuts up or down on the traction rod until the distance between the top of the handgrip and the bottom of the traction control lever is approximately 4-3/8 inches (11 centimeters) as shown in Figure 6. 1 2 1 649 3 3 6 4 4 2 Figure 7 665 1. Upper control rod 2. Jam nut 3. Clevis Figure 6 1.
distance between the top of the handgrip and the bottom of the auger/impeller drive control lever is one to two inches (2.5 to 5.0 centimeters) as shown in Figure 8. 1 Note: If the force does not noticeably increase, remove the belt cover (refer to steps 1 and 2 of Replacing the Auger/Impeller Drive Belt on page 23) and measure two inches (five centimeters) above the handgrip at the point where you remove the slack from the auger/impeller drive belt. 2 4 3 658 5. To adjust the distance: Figure 10 A.
1 2 6 7 1 8 3 2 684 3 4 5 667 Figure 12 Figure 11 1. 2. 3. 4. Deflector Carriage bolt Discharge chute Rubber washer 5. 6. 7. 8. 1. Fuel tank cap 2. Dipstick Friction plate Large flat washer Curved washer Locknut 3. Filler hole 3. Remove the dipstick by rotating the cap counterclockwise and pulling it out (Fig. 12).
Important Do not use methanol, gasoline containing methanol, gasohol containing more than 10% ethanol, premium gasoline, or white gas. Using these fuels can damage the engine’s fuel system. Important days old. Danger When fueling, under certain circumstances, a static charge can develop, igniting the gasoline. A fire or explosion from gasoline can burn you and others and damage property.
• Discharge Chute Control (Fig. 13)—Rotate the discharge chute control clockwise to move the discharge chute to the left; counterclockwise to move the chute to the right. Reviewing the Maintenance Schedule Review the Recommended Maintenance Schedule on page 18. You may need to perform one or more additional procedures before or soon after you begin operating the snowthrower. • Chute Deflector Handle (Fig.
1 2 Installing the Carburetor Heater Box 3 To install the carburetor heater box, reverse steps 1 through 9 of Removing the Carburetor Heater Box on page 14. Remove the fasteners from their holes before installing the carburetor heater box. 5 Starting the Engine 4 6 5 4 Important Ensure that there are no obstructions in the auger/impeller and the discharge chute before you operate the snowthrower. Use a stick, not your hand, to remove an obstruction from the auger/impeller or the discharge chute.
Snowthrowing Tips Note: If engine does not start or if the air temperature is –10 F (–23 C) or below, the engine may need additional priming. After pushing in the primer, try to start the engine before priming again. Danger 10. After the engine starts, immediately rotate the choke (Fig. 14) to the 3/4 position. As the engine warms up, rotate the choke to the 1/2 position. When the engine warms up sufficiently, rotate the choke to the Off position.
• Do not overload the snowthrower by clearing snow at too fast a rate. If the engine slows down, shift the snowthrower into a lower gear to reduce the forward speed. • In wet or slushy conditions, maintain maximum engine speed, and do not overload the engine to prevent clogging the discharge chute. • If the front of the snowthrower tends to ride up, reduce the forward speed by shifting the snowthrower into a lower gear.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule Maintenance Service Interval Maintenance Procedure Initially • Check the engine oil level.1 Refer to Checking the Engine Oil Level on page 19. • Check the auger gearbox grease and add grease if necessary. Refer to Checking the Auger Gearbox Grease on page 19. • Adjust the skids and the scraper.2 Refer to Adjusting the Skids and the Scraper on page 19.
Caution If you leave the wire on the spark plug, someone could accidently start the engine and seriously injure you or other bystanders. Disconnect the wire from the spark plug before you do any maintenance. Set the wire aside so that it does not accidentally contact the spark plug. Checking the Engine Oil Level 3. Disconnect the wire from the spark plug and ensure that the wire does not contact the spark plug (Fig. 15).
5. Loosen the four flange nuts that secure both skids to the auger side plates (Fig. 19) until the skids slide up and down easily. 8. To adjust the scraper, loosen the five mounting screws (Fig. 20), level the scraper, and tighten the mounting screws. 9. Move the skids down as far as possible. 10. Tighten the four flange nuts that secure both skids to the auger side plates (Fig. 19). 11. Connect the wire to the spark plug.
Replacing the Traction Drive Belt If the traction drive belt becomes worn, oil-soaked, or otherwise damaged, replace the belt. 1. Stop the engine and wait for all moving parts to stop. 2. Disconnect the wire from the spark plug and ensure that the wire does not contact the spark plug (Fig. 15). 3. Drain the gasoline from the fuel tank. Refer to Emptying the Fuel Tank on page 24. 4. Remove the two flange-head bolts that hold the belt cover in place and set the cover aside (Fig. 23).
8. Remove the four flange-head bolts that secure the bottom cover to the frame and remove the cover (Fig. 25). 15. Hook the spring into the notch in the bottom edge of the side plate (Fig. 26). 16. Replace the bottom cover with the four flange-head bolts. 17. Set the snowthrower upright. 18. Install the auger/impeller drive belt around the large auger/impeller pulley and engine pulley, ensuring that the belt is on the inside of the idler pulley and the belt guide (Fig. 24). 1 19.
2. Disconnect the wire from the spark plug and ensure that the wire does not contact the spark plug (Fig. 15). 4. Connect the wire to the spark plug. 5. Check the belt tension by operating the auger. 3. Block up the rear of the snowthrower. 6. If the belt still slips, replace it. Refer to Replacing the Auger/Impeller Drive Belt on page 23. 4. Remove the left wheel. 5. Clean the area around the oil drain plug (Fig. 27).
5. Remove the four flange-head bolts that secure the bottom cover and remove the cover (Fig. 25). 6. Set the gap between the electrodes on the spark plug at 0.030 in. (0.76 mm) as shown in Figure 29. 6. Lightly lubricate the snowthrower with light oil as shown in Figure 28. 1 110 Figure 29 1. 0.030 in. (0.76 mm) 7. Install the spark plug by hand and then torque it to 15 ft-lb (20.4 N m). If you do not have a torque wrench, tighten the plug firmly. 8. Connect the wire to the spark plug.
2. Clean the snowthrower. Storage 3. Touch up chipped surfaces with paint available from an Authorized Service Dealer. Sand affected areas before painting, and use a rust preventative to prevent the metal parts from rusting. Warning 4. Tighten any loose fasteners. Repair or replace any damaged parts. Gasoline fumes are highly flammable, explosive, and dangerous if inhaled. If the product is stored in an area with an open flame, the gasoline fumes may ignite and cause an explosion. 5.
Troubleshooting Toro designed and built your snowthrower for trouble-free operation. Check the following components and items carefully, and refer to Maintenance on page 18 for more information. If a problem continues, see an Authorized Service Dealer. Problem Electric starter does not turn (electric-start models only) Engine does not start or starts hard Engine runs rough Possible Causes Corrective Action 1. The power cord is disconnected at the outlet or the snowthrower. 1.
Problem Engine runs, but the snowthrower discharges snow poorly or not at all Snowthrower does not properly clear the snow off the surface Possible Causes Corrective Action 3. The fuel tank is nearly empty or contains stale fuel. 3. Drain and fill the fuel tank with fresh gasoline (not more than 30 days old). If the problem persists, contact an Authorized Service Dealer. 4. The spark plug wire is loose. 4. Connect the wire to the spark plug. 5.
