Operators Manual Model Series 140 thru 152 Single Stage Snow Throwers Model 150 shown 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).
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 SYMBOL-HEED 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 Operator’s 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: UNPACKING INSTRUCTIONS • See Figure 3. • Remove staples, break glue on the top flaps of the carton or cut tape at carton end and peel along top flap to open carton. Remove any loose parts included with unit (i.e., Operator’s manual, etc.). • Cut along dotted lines and lay end of carton down flat. Remove packing material. • Roll unit out of carton. Check carton thoroughly for loose parts.
RAISING THE UPPER HANDLE 1. Loosen the hand knob on each side of the handle. See Figure 4. Remove packing material (if any). 2. Squeeze the control handle against the upper handle. Hold it in this position as you raise the handle. 3. Pull the handle up into the operating position. Be certain not to pinch the cable. 4. Tighten the hand knobs. 3. Pull 4. Tighten Hand Knobs 1. Loosen Hand Knobs 2.
INSTALLING THE CHUTE CRANK (Models 150 thru 152 and model 140 with Optional Extended Chute Crank only.) On some units, the chute crank can be installed and secured from the top side of the snow thrower. Other units are equipped with an adaptor that requires the assembler to tip the unit forward on the auger housing in order to secure the crank from the underside.
SECURE FROM THE UNDERSIDE. See Figure 8. 1. Place a piece of the cardboard from the carton on a level surface. Tip the snow thrower forward so that the housing rests on the cardboard from the box. 2. Thread one 5/16” hex nut all the way onto the eyebolt. 3. Slide the eyebolt onto the chute crank. Insert eyebolt into the hole in the lower handle. 4. Insert the chute crank into the hole provided in the snow thrower cover. Place the end of the crank into the coupler located inside the snow thrower. 5.
FUEL AND OIL MIXTURE WARNING: Handle gasoline carefully. Remember that it is highly flammable. Never fill fuel tank indoors, when engine is running or while engine is still hot. Do not smoke when filling fuel tank. Your snow thrower uses a two cycle engine that requires a mixture of gasoline and two cycle engine oil. Refer to the Engine Operator’s Manual for proper Oil and Fuel Recommendations.
SNOW THROWER OPERATING CONTROLS Model 140 Auger Control Handle Chute Crank Model 140 (w/ Optional Chute Crank) Model 150 Auger Control Handle Chute Crank Auger Control Handle Chute Crank Model 152 Auger Control Handle Chute Crank Figure 11 Auger Control Handle - Located on the upper handle, the auger control handle is used to engage and disengage the augers. See Figure 11. The snow thrower is designed to be propelled by the rotation of the augers.
SECTION 7: OPERATION Warning: Observe all warning labels on the snow thrower prior to use. See Section 1. FUEL MIXTURE Important: Mix oil with gasoline as instructed in the Oil and Fuel Recommendations Section in the separate Engine Operator’s Manual packed with your snow thrower. Read and follow all instructions carefully. BEFORE STARTING ENGINE Read the Engine Operator’s Manual carefully in its entirety before attempting to operate the machine.
SECTION 8: ADJUSTMENTS WARNING: NEVER attempt to clean chute or make any adjustments or repairs while engine is running. SHAVE PLATE ADJUSTMENT Augers Shave Plate Wheels Nuts & Bolts Figure 13 1. To check the adjustment of the shave plate, place the unit on a level surface. See Figure 13. The wheels, shave plate and augers should all contact the level surface. If the shave plate is adjusted too high, the snow may blow under the housing.
SECTION 9: MAINTENANCE WARNING: NEVER attempt to clean chute or make any adjustments or repairs while engine is running. NOTE: Check engine and snow thrower frequently for loose nuts, bolts, etc., and keep these items tightened. ENGINE Refer to the separate Engine Operator’s Manual packed with your snow thrower for all engine maintenance procedures. SHAVE PLATE REPLACEMENT The shave plate is subject to wear. It should be checked periodically.
SECTION 10: OFF-SEASON STORAGE WARNING: Never store engine with fuel in tank indoors or in enclosed, 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. • Clean snow thrower thoroughly. • Follow “Storage” instructions found in the separate Engine Operator’s Manual. Preparing the engine for storage properly is important to prevent problems next season. • Store in a clean, dry area.
Model Nos. 140 150 E150 REF. NO. 1 2 3 4 5 6 7 8 9 PART NO. 710-1270 710-1174 712-0324 720-0276 725-0157 746-0883 747-0946 749-0705 736-0451 DESCRIPTION Screw—Oval C-Sink L Bolt Carriage Nut Insl. Lock Knob—Handle Tie Cable Body—Lever Control Handle Ass’y. Control Handle—Upper Washer Saddle QTY. 1 2 1 2 1 1 1 1 2 Model No. E152 REF. NO. 1 2 3 4 5 6 7 8 9 10 PART NO.
Model Nos.
Model Nos. 140 150 E150 E152 REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 PART NO.
Model Nos. 140 REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 PART NO 684-0056 710-0442 710-0895 710-1268 712-0252 712-0267 714-0474 715-0138 720-0201A 725-0201 725-1425 726-0100 731-0702 731-1133A 736-0119 DESCRIPTION Dash—21" Screw—Hex Screw—Hex Tap Screw—Hex Tap Nut Hex Nut—Hex Pin—Cotter Pin Roll Knob—Chute Crank Key—Ignition Switch—Key Nut Push Shroud Plug Washer Lock QTY. 1 4 2 9 1 4 1 1 1 2 1 1 1 1 4 REF. NO.
Model Nos. 150 E150 REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PART NO 710-0442 710-0653 710-1003 710-1268 712-0252 712-0267 714-0111 714-0474 715-0138 720-0201A 725-0201 725-1425 726-0100 731-1087 DESCRIPTION Screw-Hex Screw-Hex Washer Screw-Hex Screw-Hex Nut-Jam Nut-Hex Pin-Cotter Pin-Cotter Pin Roll Knob Key-Ignition Switch Cap-Push Shroud-Black QTY. 4 1 1 12 1 6 1 1 2 1 2 1 1 1 REF. NO.
Model Nos. E152 REF. NO. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PART NO 784-5572 710-0442 710-0653 710-1003 710-1268 712-0267 714-0111 714-0474 715-0138 720-0201A 725-0201 725-1341B 725-1346 725-1347 DESCRIPTION Dash Screw—Hex Cap Screw—Hex Washer Screw—Hex Screw—Hex Nut—Hex Pin—Cotter Pin—Cotter Pin—Roll Knob Key—Ignition Key—Ignition with Logo Nut—Ignition Switch Cover—Ignition Switch REF. NO. 15 16 17 18 19 20 21 23 24 26 27 28 29 QTY.
Model Nos. 140 REF. NO. 1 2 3 4 5 6 7 8 PART NO 710-0157 710-0442 710-0896 726-0205 736-0242 750-0589 750-0716 751-0352 DESCRIPTION Screw—Hex Cap Screw—Hex Cap Screw—Washer Clamp—Hose Washer—Bell Spacer Spacer Tank—Fuel QTY. 1 4 2 2 5 4 1 1 REF. NO. 9 10 11 12 13 14 N/I 21 PART NO 751-0535-12 754-0367 756-0416B 756-0550 784-5177 DESCRIPTION Hose—Fuel 12" V-Belt V-Pulley Half Pulley Engine Support Bracket Obtain from Engine Manufacturer OEM-390-697 Electric Start Kit (Optional) QTY.
Model Nos. 150 REF. NO. 1 2 4 5 6 7 8 9 10 11 PART NO. 705-5139 710-0157 710-0289 710-0896 710-3025 726-0205 736-0119 736-0242 736-0329 741-0475 QTY. DESCRIPTION Bracket - Support Gas Tank Screw - Hex Cap Screw - Hex Screw - Washer Screw - Hex Cap Clamp - Hose Washer - Lock Washer - Bell Washer - Lock Bushing - Plastic 1 1 2 2 4 2 4 1 2 1 REF. NO. 12 13 14 15 16 17 19 N/I 22 PART NO.
Model Nos. E150 E152 REF. PART NO. NO 1 629-0236 2 3 5 6 7 8 9 10 11 705-5139 710-0157 710-0289 710-0896 710-1003 710-3025 726-0152 726-0205 736-0119 DESCRIPTION Cord - Extension 110V3M 2 Prong Bracket - Support Fuel Tank Screw - Hex Cap Screw - Hex Screw - Washer Screw - Hex Screw - Hex Cap Clamp - Mounting Clamp - Hose Washer - Lock REF. NO. 12 13 14 15 16 17 QTY.
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.