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Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty
Otraep Or ’s Mlauna
600-Series Snow Thrower — C/D Style
WARNING
READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS MACHINE.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Printed In USA Form No. 769-01274F
(June 26, 2007)
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To The Owner 1 Thank You Thank you for purchasing a Snow Thrower manufactured by This product has met the rigid safety standards of the Outdoor MTD LLC. It was carefully engineered to provide excellent Power Equipment Institute and an independent testing performance when properly operated and maintained. laboratory. If you have any problems or questions concerning the machine, phone your local authorized MTD service dealer Please read this entire manual prior to operating the equipment. o
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Important Safe Operation Practices 2 WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol. HEED ITS WARNING! CALIFORNIA PROPOSITION 65 WARNING: Engine Exhaust, some of its constituents, and certain v
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5. Never run an engine indoors or in a poorly ventilated area. Safe Handling of Gasoline Engine exhaust contains carbon monoxide, an odorless To avoid personal injury or property damage use extreme care and deadly gas. in handling gasoline. Gasoline is extremely flammable and the 6. Do not operate machine while under the influence of vapors are explosive. Serious personal injury can occur when alcohol or drugs. gasoline is spilled on yourself or your clothes which can ignite. Wash your
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Maintenance & Storage Do not modify engine 1. Never tamper with safety devices. Check their proper To avoid serious injury or death, do not modify engine in any operation regularly. Refer to the maintenance and way. Tampering with the governor setting can lead to a runaway adjustment sections of this manual. engine and cause it to operate at unsafe speeds. Never tamper with factory setting of engine governor. 2. Before cleaning, repairing, or inspecting machine disengage all control levers a
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Assembly & Set-Up 3 Contents of Carton • One Snow Thrower • Two Replacement Auger Shear Pins • One Chute Assembly • One Snow Thrower Operator’s • One Tecumseh Engine Operator’s • One Product Registration Card Manual Manual Assembly Handle 1. Observe the lower rear area of the snow thrower to be sure both cables are aligned with roller guides before pivoting the handle upward. See Fig. 3-1. NOTE: Make certain the upper ends of each cable are seated properly in its bracket. Figure 3- Figure 3-
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Chute Directional Control Chute Directional Control 1. Remove the plastic cap (if present), flat washer and hairpin 1. Remove the plastic cap (if present), flat washer and hairpin clip from the end of the chute directional control. See Fig. clip from the end of the chute directional control. See Fig. 3-4. 3-4. A Chute Clean-out Tool B Figure 3-4 Figure 3-6 2. Insert the end of the chute directional control into the lower bracket and secure with the flat washer and hairpin 2. Insert the end
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Chute Assembly Adjustments The distance snow is thrown can be adjusted by changing the Skid Shoes angle of the chute assembly. To do so: The snow thrower skid shoes are adjusted upward at the factory 1. Stop the engine by removing the ignition key and loosen for shipping purposes. Adjust them downward, if desired, prior the plastic knob found on the left side of the chute to operating the snow thrower. assembly. CAUTION: It is not recommended that you operate 2. Pivot the chute upward or
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Auger Control WARNING! Prior to operating your snow thrower, carefully read and follow all instructions below. Perform all adjustments to verify your snow thrower is operating safely and properly. Check the adjustment of the auger control as follows: 1. When the auger control is released and in the disengaged “up” position, the cable should have very little slack. It should NOT be tight. 2. In a well-ventilated area, start the snow thrower engine. Refer to Starting the Engine on page 13.
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Controls and Features 4 Drive Control Auger Control Electric Start Button Gas Cap Chute Assembly Chute Directional Control Shift Lever Oil Fill Clean Out Tool Engine Controls Recoil Starter Handle Electric Starter Outlet Primer Ignition Key Choke Control Throttle Augers Control Skid Shoe Figure 4-1 Snow thrower controls and features are described below and Choke Control illustrated in Fig. 4-1. NOTE: For detailed information on all engine controls, refer to the separate Tecumseh Engine
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Throttle Control Auger Control The throttle control is located on the rear of the engine. It regulates the speed of the engine and will shut off the engine when moved into the STOP position. Primer Pressing the primer forces fuel directly into the engine’s carburetor to aid in cold-weather starting. Oil Fill Engine oil level can be checked and oil added through the oil fill. The auger control is located on the left handle. Squeeze the Skid Shoes control grip against the handle to engage t
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Chute Directional Control Chute Clean-Out Tool WARNING! Never use your hands to clear a clogged chute assembly. Shut off engine and remain behind handles until all moving parts have stopped before unclogging. The chute clean-out tool is conveniently fastened to the rear of the auger housing with a mounting clip. Should snow and ice become lodged in the chute assembly during operation, proceed as follows to safely clean the chute assembly and chute opening: 1. Release both the Auger Control
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Operation 5 6. When disconnecting the extension cord, always unplug the Starting The Engine end at the three-prong wall outlet before unplugging the 1. Attach spark plug wire to spark plug. Make certain the opposite end from the snow thrower. metal loop on the end of the spark plug wire (inside the Recoil Starter rubber boot) is fastened securely over the metal tip on the spark plug. 1. Rotate choke control to FULL choke position (cold engine start). 2. Make certain both the auger contro
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To Engage Drive 1. With the throttle control in the Fast (rabbit) position, move shift lever into one of the five forward (F) positions or two reverse (R) positions. Select a speed appropriate for the snow conditions and a pace you’re comfortable with. 2. Squeeze the drive control against the handle the snow thrower will move. Release it and drive motion will stop. To Engage Augers 1. To engage the augers and start throwing snow, squeeze the auger control against the left handle. Release
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Maintenance & Adjustments 6 Maintenance Lubrication Engine Gear Shaft Refer to the Tecumseh Engine manual packed with your The gear (hex) shaft should be lubricated at least once a season machine for all engine maintenance. or after every twenty-five (25) hours of operation. 1. Carefully pivot the snow thrower up and forward so that it Shave Plate and Skid Shoes rests on the auger housing. The shave plate and skid shoes on the bottom of the snow 2. Remove the frame cover from the underside
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Auger Shaft Adjustments At least once a season, remove the shear pins from the auger Chute Bracket Adjustment shaft. Spray lubricant inside the shaft and around the spacers and the flange bearings found at either end of the shaft. If the spiral at the bottom of the chute directional control is not See Fig. 6-3. fully engaging with the chute assembly, the chute bracket can be adjusted. To do so: 1. Loosen the two nuts which secure the chute bracket and reposition it slightly. See Fig. 6-4. F
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Drive Control When the drive control is released and in the disengaged “up” position, the cable should have very little slack. It should NOT be tight. NOTE: If excessive slack is present in the drive cable or if the snow thrower’s drive is disengaging intermittently during operation, the cable may be in need of adjustment. Check the adjustment of the drive control as follows: 1. With the drive control released, push the snow thrower gently forward. The unit should roll freely. 2. Engage t
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Service 7 3. Carefully pivot the snow thrower up and forward so that it Belt Replacement rests on the auger housing. Auger Belt 4. Remove the frame cover from the underside of the snow thrower by removing four self-tapping screws which secure To remove and replace your snow thrower’s auger belt, proceed it. See Fig 7-3. as follows: 1. To prevent spillage, place a piece of plastic wrap under the gas cap and tighten securely. 2. Remove the plastic belt cover on the front of the engine by r
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6. Remove the belt from around the auger pulley, and slip the Drive Belt belt between the support bracket and the auger pulley. To remove and replace your snow thrower’s drive belt, proceed See Fig. 7-5. as follows: 1. Place a piece of plastic under the gas cap. 2. Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws. Refer to Fig. 7-1. 3. Remove the belt as follows. See Fig. 7-6.: a. Roll the auger belt off the engine pulley. b. Use a wrench to p
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6. Slip the drive belt off the pulley and between friction Friction Wheel Removal wheel and friction wheel disc. See Fig. 7-7. If the snow thrower fails to drive with the drive control engaged, and performing the drive control cable adjustment fails to correct the problem, the friction wheel may need to be replaced. Follow the instructions below. Examine the friction wheel for signs of wear or cracking and replace if necessary: 1. Place a piece of plastic under the gas cap. 2. Place the shi
