MTD Series 140 thru 152 Operator's Manual
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MTD Series 140 thru 152 Operator's Manual

MTD Series 140 thru 152 Operator's Manual

Mtd single stage snow thrower operator's manual
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OPERATOR'S MANUAL
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 forest-
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 effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 368022 Cleveland, Ohio 44136-9722.
MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
Model Series
140 thru 152
Single Stage
Snow Throwers
FORM NO. 770-0822A

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Summary of Contents for MTD Series 140 thru 152

  • Page 1 Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 368022 Cleveland, Ohio 44136-9722. MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722 PRINTED IN U.S.A.

  • Page 2: Section 1: Important Safe Operation Practices

    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.

  • Page 3: Maintenance And Storage

    • If snow thrower should abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. • Stop engine whenever you leave the operating position, before unclogging the collector/impeller housing or discharge guide, and making any repairs, adjustments, or inspections.

  • Page 4: Section 2: Finding Your Model Number

    Operators Manual. The information on the model plate is very important if you need help from your dealer or the MTD customer support department. • Every snow thrower has a model plate. You can locate it by standing behind the unit in the operating position and looking down at the dash panel.

  • Page 5: Section 4: Unpacking Instructions

    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.). •...
  • Page 6 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.

  • Page 7: Installing The Chute Crank

    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.
  • Page 8 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.

  • Page 9: Section 6: Controls

    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.

  • Page 10: Snow Thrower Operating Controls

    SNOW THROWER OPERATING CONTROLS Model 140 Auger Control Handle Chute Crank 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.

  • Page 11: Section 7: Operation

    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.

  • Page 12: Section 8: Adjustments

    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 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.

  • Page 13: Section 9: Maintenance

    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.

  • Page 14: Section 10: Off-Season Storage

    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. •...
  • Page 15 Model Nos. E150 REF. PART DESCRIPTION 710-1270 Screw—Oval C-Sink L 710-1174 Bolt Carriage 712-0324 Nut Insl. Lock 720-0276 Knob—Handle 725-0157 Tie Cable 746-0883 Body—Lever Control 747-0946 Handle Ass’y. Control 749-0705 Handle—Upper 736-0451 Washer Saddle Model No. E152 REF. PART DESCRIPTION 710-1270 Screw—Oval C-Sink L 710-1174...
  • Page 16 Model Nos. E150 E152...
  • Page 17 Model Nos. E150 E152 REF. PART DESCRIPTION 710-0167 Bolt—Carriage 710-0276 Bolt—Carriage 710-0323 Screw—Pan Head 710-0451 Bolt—Carriage 710-0642 Screw—Hex Washer 710-1005 Screw—Hex Washer 710-0773 Screw—Hex Washer 710-0896 Screw—Hex Washer 710-3015 Screw—Hex Cap 711-0848A Axle 712-0429 Nut—Hex Center Lock 712-3010 Nut—Hex 712-0116 Nut—Hex Lock 712-3027 Nut—Hex Lock Flanged...
  • Page 18 Model Nos. REF. PART DESCRIPTION 684-0056 Dash—21" 710-0442 Screw—Hex 710-0895 Screw—Hex Tap 710-1268 Screw—Hex Tap 712-0252 Nut Hex 712-0267 Nut—Hex 714-0474 Pin—Cotter 715-0138 Pin Roll 720-0201A Knob—Chute Crank 725-0201 Key—Ignition 725-1425 Switch—Key 726-0100 Nut Push 731-0702 Shroud 731-1133A Plug 736-0119 Washer Lock REF.
  • Page 19 Model Nos. E150 REF. PART DESCRIPTION 710-0442 Screw-Hex 710-0653 Screw-Hex Washer 710-1003 Screw-Hex 710-1268 Screw-Hex 712-0252 Nut-Jam 712-0267 Nut-Hex 714-0111 Pin-Cotter 714-0474 Pin-Cotter 715-0138 Pin Roll 720-0201A Knob 725-0201 Key-Ignition 725-1425 Switch 726-0100 Cap-Push 731-1087 Shroud-Black REF. PART QTY. 731-1089 Cover-Choke 731-1133A Plug-Insert...
  • Page 20 Model Nos. E152 REF. PART DESCRIPTION 784-5572 Dash 710-0442 Screw—Hex Cap 710-0653 Screw—Hex Washer 710-1003 Screw—Hex 710-1268 Screw—Hex 712-0267 Nut—Hex 714-0111 Pin—Cotter 714-0474 Pin—Cotter 715-0138 Pin—Roll 720-0201A Knob 725-0201 Key—Ignition 725-1341B Key—Ignition with Logo 725-1346 Nut—Ignition Switch 725-1347 Cover—Ignition Switch REF.
  • Page 21 Model Nos. REF. PART DESCRIPTION 710-0157 Screw—Hex Cap 710-0442 Screw—Hex Cap 710-0896 Screw—Washer 726-0205 Clamp—Hose 736-0242 Washer—Bell 750-0589 Spacer 750-0716 Spacer 751-0352 Tank—Fuel REF. PART QTY. 751-0535-12 Hose—Fuel 12" 754-0367 V-Belt 756-0416B V-Pulley Half 756-0550 Pulley 784-5177 Engine Support Bracket Obtain from Engine Manufacturer OEM-390-697 Electric Start Kit (Optional)
  • Page 22 Model Nos. REF. PART DESCRIPTION 705-5139 Bracket - Support Gas Tank 710-0157 Screw - Hex Cap 710-0289 Screw - Hex 710-0896 Screw - Washer 710-3025 Screw - Hex Cap 726-0205 Clamp - Hose 736-0119 Washer - Lock 736-0242 Washer - Bell 736-0329 Washer - Lock 741-0475...
  • Page 23 Model Nos. E150 E152 REF. PART DESCRIPTION 629-0236 Cord - Extension 110V3M 2 Prong 705-5139 Bracket - Support Fuel Tank 710-0157 Screw - Hex Cap 710-0289 Screw - Hex 710-0896 Screw - Washer 710-1003 Screw - Hex 710-3025 Screw - Hex Cap 726-0152 Clamp - Mounting 726-0205...

  • Page 24: Manufacturer's Limited Warranty

    MANUFACTURER’S For TWO YEARS from the date of retail purchase within the United States of America, its possessions and territories, the manufacturer 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.

This manual is also suitable for:

152 series150 seriesE150E152

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