OPERATOR’S MANUAL Snow Thrower Model 611 IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forestcovered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES 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 YOUR SNOW THROWER. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOLHEED ITS WARNING.
• Never operate the machine at high transport speeds on slippery surfaces. Look behind and use care when backing. • If the snow thrower should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. • Never direct discharge at bystanders or allow anyone in front of unit.
SECTION 2: FINDING YOUR MODEL NUMBER This Operators Manual is an important part of your new snow thrower. It will help you assemble, prepare and maintain your snow thrower. Please read and understand what it says. Before you start to prepare your snow thrower for its first use, please locate the model plate and copy the information from it in this Operators Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department.
SECTION 4: CONTENTS OF HARDWARE PACK Lay out the hardware according to the illustration for identification purposes. Part numbers are shown in parentheses. (Hardware pack may contain extra items which are not used on your unit.
SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: After assembly, service engine TOOLS REQUIRED FOR ASSEMBLY with gasoline, and check oil level as instructed in the separate engine manual packed with your unit. • (1) 3/8" or adjustable wrench NOTE: References to right or left side of the snow • (2) 1/2" or adjustable wrench • (2) 7/16" or adjustable wrench thrower are determined from behind the unit in the operating position.
ATTACHING THE HANDLES (Hardware A) 1. Place right handle in position against the snow thrower so the flat side of the handle is against the frame. Secure bottom hole in handle to snow thrower using hex bolt (B) and lock washer (C). There are weld nuts welded to the inside of the frame for these bolts. See Figure 4. Do not tighten at this time. Lock Washer (C) Hex Bolt (B) Saddle (I) 2. Attach the left handle in the same manner. Do not tighten at this time. 3.
ATTACHING THE HANDLE PANEL (Hardware C) Position the handle panel between handles. Insert carriage bolts (E) and secure with lock washers (C) and hex nuts (D). See Figure 8. Hex Nuts (D) ATTACHING SPEED SELECTOR PLATE AND SHIFT LEVER (Hardware D) Carriage Bolts (E) 1. Assemble the speed selector plate to the outside of the handles as shown in Figure 9. The speed selector plate should not be assembled between the handles and the engine. Secure using four self-tapping screws (F).
ATTACHING THE CHUTE ASSEMBLY (Hardware F) Chute Assembly 1. Place chute assembly over chute opening, with the opening in the chute assembly facing the front of the unit. Place chute flange keepers beneath lip of chute assembly, with the flat side of chute flange keeper facing downward. Hex Bolt 2. Insert hex bolt (K) up through chute flange keeper and chute assembly as shown in Figure 11. Secure with hex lock nut (M). After assembling all three chute flange keepers, tighten all nuts and bolts securely.
FINAL ASSEMBLY AND ADJUSTMENTS Cup Side Left Handle Auger Drive Clutch Crown Side To check the adjustment of the auger drive clutch, push forward on the left hand clutch grip (depress the rubber bumper). There should be slack in the cable. Release the clutch grip. The cable should be straight. Make certain you can depress the auger drive clutch grip against the left handle completely. If necessary, loosen the hex lock nut and thread the cable in (for less slack) or out (for more slack) as necessary.
TIRE PRESSURE (Pneumatic Tires) CHUTE CRANK The tires are overinflated for shipping purposes. Check tire pressure and reduce to 15 to 20 psi. Refer to tire sidewalls for recommended tire pressure. (See Figure 17) The chute crank is located on left hand side of the snow thrower. To change the direction in which snow is thrown, turn chute crank as follows: NOTE: If the tire pressure is not equal in both tires, the unit may pull to one side or the other. • Crank clockwise to discharge to the left.
SECTION 7: OPERATION Electric Starter BEFORE STARTING WARNING: The WARNING: Observe all Warning Labels on the snow thrower prior to use. See Figure 1. optional electric starter is equipped with a three-wire power cord and plug, and is designed to operate on 120 volt AC household current. It must be properly grounded at all times to avoid the possibility of electric shock which may be injurious to the operator. Follow all instructions carefully.
NOTE: Do not lose ignition key. Keep it in a safe 4. When engine starts, release starter button, and move choke gradually to OFF. If engine falters, move choke immediately to FULL and then gradually to OFF. place. Engine will not start without the ignition key. 5. Wipe all snow and moisture from the carburetor cover in the area of the control levers. Also, move control levers back and forth several times. Recoil Starter: 1. Rotate choke knob to FULL choke position (cold engine start).
SECTION 8: ADJUSTMENTS WARNING: NEVER attempt to clean 3. If adjustment is necessary, loosen the lock nut on the traction drive cable and thread the cable in or out as necessary. Tighten the lock nut to secure the cable when correct adjustment is reached. Reassemble the frame cover. chute or make any adjustments while engine is running.
GEAR SHAFT SECTION 9: LUBRICATION Lubricate the gear shaft with a good al-weather multi-purpose light grease at least once a season or after every 25 hours of operation. IMPORTANT: Keep all grease and oil off of the friction wheel and drive plate. WARNING: Disconnect the spark plug wire and ground against the engine before performing any repairs or maintenance. ENGINE DRIVE AND SHIFTING MECHANISM Refer to engine manual for engine lubrication instructions. Remove rear cover.
• To remove skid shoes, remove the four carriage bolts, cupped washers and hex nuts which attach them to the snow thrower. Reassemble new skid shoes with the four carriage bolts, cupped washers (cupped side goes against skid shoes) and hex nuts. Drive Belt Rear Auger Belt • To remove shave plate, remove the carriage bolts, cupped washers and hex nuts which attach it to the snow thrower housing. Reassemble new shave plate, making sure heads of the carriage bolts are to the inside of the housing.
DRIVE BELT 1. Follow steps instructions. 1 through 4 of 3. Remove six self-tapping screws from the frame cover underneath the snow thrower. previous 4. Remove the klick pins which secure the wheels, and remove the wheels from the axle. 2. Pull idler pulley up, and lift belt off engine pulley and friction wheel disc. See Figure 26. 5. Using a 7/8’’ wrench to hold the shaft, loosen, but do not completely remove, the hex nut and bell washer on the left end of gear shaft. See Figure 29. 3.
SECTION 11: OFF-SEASON STORAGE WARNING: Never store engine with NOTE: Fuel stabilizer (such as STA-BIL) is an fuel in tank indoors or in poorly ventilated areas, where fuel fumes may reach an open flame, spark or pilot light as on a furnace, water heater, clothes dryer or other gas appliance. acceptable alternative in minimizing the formation of fuel gum deposits during storage. Add stabilizer to gasoline in fuel tank or storage container. Always follow mix ratio found on stabilizer container.
SECTION 12: Trouble Shooting Guide Trouble Possible Cause(s) Corrective Action Engine fails to start Fuel tank empty, or stale fuel. Fill tank with clean, fresh gasoline. Fuel will not last over thirty days unless a fuel stabilizer is used. Clean fuel line. Blocked fuel line. Move switch to ON position Choke not in ON position Clean, adjust gap or replace. Faulty spark plug. Key not in switch on engine. Insert key. Connect spark plug wire. Spark plug wire disconnected. Primer button not depressed.
Model 611 20
Model 611 REF. NO. 2 3 4 5 6 7 8 9 10 11 13 16 18 20 21 23 24 25 REF. NO. 1 2 3 4 5 6 7 8 9 PART NO. 05931 618-0152 684-0052 684-0065 605-5252 605-5253 705-5226 710-0134 710-0604 710-0134 710-0451 710-0890A 712-0116 712-0429 712-3010 712-0324 715-0114 731-1379 PART NO. 618-0123 618-0124 710-0642 711-1020 714-0161 715-0143 717-0526 717-0528 718-0186 DESCRIPTION Housing, Bearing Gear Assembly (22") 22" Housing Assembly Impeller Assembly Spiral, 22" R.H. Spiral, 22" L.H.
Model 611 22
Model 611 REF. NO. 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17 19 20 21 22 23 24 PART NO. 618-0063 656-0012A 684-0013B 684-0021 684-0030 684-0042B 710-0654A 710-0538 710-0599 710-0896 710-0788 712-0711 714-0126 714-0143 714-0474 715-0249 717-1445 717-1444 732-0264 736-0105 736-0160 736-0188 DESCRIPTION Bearing Ass’y. Ass’y., Friction Wheel Disc Rod Shift, Wheel Drive Brkt. Ass’y. Friction Wheel Frame Ass’y., 600 S/T Wheel Friction Hex Self-Tap Screw Hex Hd. Cap Screw Scr., Hex Wash. Hd. Hex Self-Tap Scr.
Model 611 REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 PART NO. 684-0022 684-0047 684-0048 746-0778 705-5231 705-5232 705-5233 705-5234 710-0276 710-0451 712-0429 715-0138 720-0201A 720-0274 720-0204 720-0284 726-0100 731-0921 731-1300A 731-1500 732-0733 735-0199A DESCRIPTION Crank-Chute Handle—L.H. Handle—R.H. Fitting for Cable* Panel-5 Speed Panel Handle Lever-Clutch—L.H. Lever-Clutch—R.H. Screw-Carriage Screw-Carriage Nut-Lock Pin-Roll Knob-Chute Crank Grip - 5” Lg. Grip - 4.7” Lg.
Model 611 REF. NO 1 2 3 4 5 6 7 9 10 11 12 13 14 15 PART NO. 05896A 629-0071 710-0627 710-1245 710-0230 710-0342 710-0696 710-0896 712-0181 731-1324 732-0339 736-0119 736-0242 736-0247 DESCRIPTION Bracket-Idler Cord-Extension 110V† Screw-Hex Screw-Hex Screw-Hex Screw-Hex Screw-Hex Screw-Hex Nut-Hex Cover-Belt Spring Washer-Lock Washer-Bell Washer-Flat REF. PART QTY. NO NO.
NOTES 26
NOTES 27
MANUFACTURER’S LIMITED WARRANTY FOR: For TWO YEARS from the date of retail purchase within the United States of America, its possessions and territories, MTD PRODUCTS INC will, at its option, repair or replace, for the original purchaser, free of charge, any part or parts found to be defective in material or workmanship.
