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Operators Manual
Model Series
140 thru 152
Single Stage
Snow Throwers
Model 150 shown
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
Warning:
covered, 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 effect
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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. WARNING: The Engine Exhaust from this product contains chemicals
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• If the snow thrower should start to vibrate • Never operate the machine at high transport speeds abnormally, stop the engine and check immediately on slippery surfaces. Look behind and use care for the cause. Vibration is generally a warning of when backing. trouble. • Never direct discharge at bystanders or allow anyone • Stop engine whenever you leave the operating in front of unit. position, before unclogging the collector/impeller • Disengage power to collector/impeller when housin
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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 dep
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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. PUSH REMOVE MANUAL & LOOSE PARTS Figure 3 SECTION 5: SET- UP INSTRUCTIONS Thi
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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. Squeeze Control Handle Figure 4 ATTACHING THE CONTROL CABLE “Z” End Bottom of Cabl
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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. To determine which installation procedure to follow, look at the chute crank coupler located on the top right side of the instru
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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
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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. SECTION 6: CONTROLS ENGINE OPERATING CONTROLS The engine operating controls
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SNOW THROWER OPERATING CONTROLS Model 140 (w/ Optional Model 140 Model 150 Model 152 Chute Crank) Auger Auger Auger Control Auger Control Control Handle Control Handle Handle Handle Chute Chute Crank Crank Chute Chute Crank 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. Pull the control handle back
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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. Be completely fam
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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. If the shave plate wears excessively, the sh
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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. There are two wearing edges and the s
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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
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Model Nos. 140 150 E150 REF. PART NO. NO. DESCRIPTION QTY. 1 710-1270 Screw—Oval C-Sink L 1 2 710-1174 Bolt Carriage 2 3 712-0324 Nut Insl. Lock 1 4 720-0276 Knob—Handle 2 5 725-0157 Tie Cable 1 6 746-0883 Body—Lever Control 1 7 747-0946 Handle Ass’y. Control 1 8 749-0705 Handle—Upper 1 9 736-0451 Washer Saddle 2 Model No. E152 REF. PART NO. NO. DESCRIPTION QTY. 1 710-1270 Screw—Oval C-Sink L 1 2 710-1174 Bolt—Carriage 2 3 712-0324 Nut Insul. Lock 1 4 720-0295 Grip Foam 1 5 720-0284 Knob Han
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Model Nos. 140 150 E150 E152 16
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Model Nos. 140 150 E150 E152 REF. PART REF. PART NO. NO. DESCRIPTION QTY. NO. NO. DESCRIPTION QTY. 1 710-0167 Bolt—Carriage 4 25 736-0176 Washer—Flat 1 2 710-0276 Bolt—Carriage 1 26 736-0159 Washer 2 3 710-0323 Screw—Pan Head 1 27 736-0326 Washer—Flat 1 4 710-0451 Bolt—Carriage 1 28 736-0329 Washer—Lock 1 5 710-0642 Screw—Hex Washer 1 30 741-0600 Ball Bearing 2 6 710-1005 Screw—Hex Washer 6 31 746-0910A Cable—Clutch 1 7 710-0773 Screw—Hex Washer 2 32 748-0234 Spacer—Shoulder 1 8 710-0896 Screw—H
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Model Nos. 140 REF. PART REF. PART NO. NO DESCRIPTION QTY. NO. NO DESCRIPTION QTY. 1 684-0056 Dash—21" 1 16 736-0185 Washer - Flat 2 2 710-0442 Screw—Hex 4 17 736-0225 Washer Internal Lock 1 3 710-0895 Screw—Hex Tap 2 18 736-0400 Washer Flat 3 4 710-1268 Screw—Hex Tap 9 20 741-0475 Bushing 1 5 712-0252 Nut Hex 1 21 784-5178A Bracket Chute Crank 1 6 712-0267 Nut—Hex 4 22 784-5344 Crank Ass’y. Chute 1 7 714-0474 Pin—Cotter 1 23 714-0111 Cotter Pin † 1 8 715-0138 Pin Roll 1 24 747-0737 Crank - Chut
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Model Nos. 150 E150 REF. PART REF. PART NO. NO DESCRIPTION QTY. NO. NO DESCRIPTION QTY. 1 710-0442 Screw-Hex 4 15 731-1089 Cover-Choke 1 2 710-0653 Screw-Hex Washer 1 16 731-1133A Plug-Insert 1 3 710-1003 Screw-Hex 1 17 735-0234 Grommet-Rubber 1 4 710-1268 Screw-Hex 12 18 736-0119 Washer-Lock 4 5 712-0252 Nut-Jam 1 20 736-0225 Washer-Lock-Internal 1 6 712-0267 Nut-Hex 6 21 736-0400 Washer-Flat 3 7 714-0111 Pin-Cotter 1 22 736-0451 Washer-Saddle 1 8 714-0474 Pin-Cotter 1 24 747-0697 Eyebolt-Chute
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Model Nos. E152 REF. PART REF. PART NO. NO DESCRIPTION QTY. NO. NO DESCRIPTION QTY. 15 725-1425 Switch—Key 1 1 784-5572 Dash 1 16 726-0100 Cap—Push 1 2 710-0442 Screw—Hex Cap 4 17 731-1089 Cover—Choke 1 3 710-0653 Screw—Hex Washer 1 18 731-1133 Plug—Insert 1 4 710-1003 Screw—Hex 2 19 731-1765 Shroud—Black 1 5 710-1268 Screw—Hex 8 20 735-0234 Grommet—Rubber 1 6 712-0267 Nut—Hex 6 21 736-0119 Washer—Lock 4 7 714-0111 Pin—Cotter 1 23 736-0225 Washer—Lock Internal 1 8 714-0474 Pin—Cotter 1 24 736-04
