Operators Manual Model Series 140 thru E173 Single Stage Snow Throwers Model 150 shown IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY Warning: This unit is equipped with an inlernal combustion engine and should not be u_ed on or near any unimproved forestcovered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark arraster meeting applicable local or state laws (if any). if a spark arrester _sused.
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.
• If the snow thrower should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generat)y a warnin Oof 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. Never p{ace your hand in the discharge or collector openings. Use a stick or wooden broom handle to unclog the discharge opening.
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. Bee 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. &Pull 1.Loosen Hand Knobs 4. Tighten Hand Knobs J 2.Squeeze Control Handle Figure 4 ATTACHING THE CONTROL Bottom Hole In Control Handle \ CABLE of C
INSTALLING (Models THE CHUTE with Optional CRANK 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 instrument panel above the model plate.
SECURE FROM THE UNDERSIDE. See Figure 8. 1. Place a piece of the cardboard from the carton on a level sudace, 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.
FUEL AND OIL MIXTURE tank indoors, when is running or while engine that is still hot. Do not smoke when filling WARNING: Handleengine gasoline carefully. Remember It Is highly flammable. Never fill fuel 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 Model 140 OPERATING CONTROLS Model 140 (w/ Optional Ext. Chute Crank) Models 150,151 AJger Auger Control Handle 1 Control _'4andle _. Chute Models 142,152 172,173 AJger Control Handle _Crank Chut T_ E1 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 running, WARNING: SHAVE NEVER attempt to clean chute or make any adjustments or repairs while engine is PLATE ADJUSTMENT I, / Augers Shave Plate Wheels Nuts & Bolts Figure 13 t. 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. It the shave plate is adjusted too high, the snow may blow under the housing.
SECTION 9: MAINTENANCE is running, WARNING: NEVER attempt to clean chute or make any adjustments or repairs while engine 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 procedures. SHAVE PLATE Manual packed with your snow thrower for all engine maintenance REPLACEMENT The shave plate is subject to wear. It should be checked periodically.
SECTION 10: OFF-SEASON WARNING: STORAGE Never store engine with fuel in tank indoors or in enclosed, poorly ventilated areas fumes may reach an open flame, spark or pilot light as on a furnace, water heater, where clothesfuel dryer, or other gas appliance. • Clean snow thrower thoroughly. • Follow "Storage" instructions found in the separate Engine Operator's storage properly is important to prevent problems next season. Manual. Preparing the engine for • Store in a clean, dry area.
Models 140 150 E150 E151 REF. NO. 1 2 3 4 PART NO. 710-1270 710-0487 712-0324 720-0276 5 6 7 8 9 725-0157 _746-0883 1747-0946 i749-0705 1736-0451 DESCRIPTION :Screw--Ova! C-Sink L Bolt Carriage NUt Insl. Lock Knob--Handle Tie Cable Body--Lever Control Handle Ass'y. Control Handle--Upper Washer Saddle i QTY. _:-1 t 2 1 2 1 1 1 1 2 Models 142 E 152 E172 E173 RER NO. -' I 2 3 i ! 4 5 6 7 8 9 10 PART NO. 7i0:1270 710-0487 712-0324 DESCRIPTION Screw--Oval C-Sink L Bolt----Carriage Nut Insul.
Models 140 thru E173 / / Cable Spring in 16
Models 140 thru E173 T NO. 1 2 3 4 5 PART NO. 710-0167 ,710-0276 1710-0323 j710-0481 1710-0642 6 7 8 9 10 11 12 13 15 16 17 1710-1005 [710-0773 710-0896 710-3015 711-0848A 712-0429 712-3010 712-0116 712-3027 720-0284 731-0851A 18 19 20 21 22 23 731-0915B 731-0921 731-1033 732-0357A 736-0108 736-0119 _DESCRIPTION ; Bolt--Carriage Bo[t_arriage ;Screw--Pan Head i -4 1 1 1 1 6 2 4 6 1 1 3 1 10 1 3 1 1 1 1 2 Bolt--Carriage Screw--Hex Washer !Screw--Hex Washer IScrew--Hex :Screw--Hex Serew--Hex .
Models 140 and E142 / / Engine \ \ \ C) ® RE_ NO. 1 2 3 4 5 6 7 8 9 10 11 12 i 13 i 14 _5 PART NO -684-0056 710-0805 710-0895 710-1268 712-0252 712-3010 714-0104 715-0138 720-0201A 725-0201 725-1425 726-0100 731-0702 731-1133A hEF. [ ! 736-0119 I DESCRIPTION NO.
Models 150, E150, E173 1/ RER _ PART NO. NO 1 710-0805 2 _710-1005 3 4 5 6 7 8 9 10 11 12 13 710-1003 710-1268 '712-0252 712-3010 714-0104 714-0507 715-0138 720-0201A 725-0201 725-1425 726-0100 • DESCRIPTION Scre_v-Hex .... Screw-Hex Washer Screw-Hex Serew-Hex Nut-Jam PNut-Hex Hairpin Pin-Cotter Pin Roll Knob Key-Ignition Sw tch _Cap-Push Shroud-Black 14 173!-1087 QTY. 4 1 1 12 1 6 1 1 2 1 2 1 1 1 REF. 73 PART NO.
Models E151, E172, Shtpp_KI REF, - PART NO.i NO 1 784-5572 _- IJDash QTY. REF. NO. DESCRIPTION 2 3 4 710-0805 710-1005 7"10-1003 IScrew--Hex Cap Screw--Hex Washer Screw---Hex 5 6 7 710-1268 712-3010 714-0104 iScrew--Hex Nut--Hex Hairpin 8 9 10 11 12 13 14 714-0507 715-0138 720-0201A 725-0201 725-1341B 725-1346 _725__'!347 Pin--Cotter Pin--Roll Knob Key--Ignition Key--Ignition with Logo Nut--lgn t on Switch !Cover--Ignition Switch r ..
Models 140, E142 I I Tightening Torque: 150-130 in. Ibs. "-FIEF. NO. 1 2 i i PART NO 7i0-0157 710-0805 i _ DESCRIPTION --| Screw--Hex Cap /Screw--Hex Cap 3 4 5 !710-0896 1726-0205 !736-0242 IScrew--Washer jClamp--Hose Washer--Bell 6 7 8 750-0589 750-0716 _751-0352 Spacer Spacer iTank--Fuel QTY. 1 4 2 2 5 4 1 1 -'_ -_- PART NO.
Mode1150 Tightening Torque; lS0-300 in. Ibs. REF.T NO. 1 2 4 5 6 7 8 9 10 PART NO. 705-5139 710-0157 710-0289 710-0896 710-30Z5 726-0205 738-0119 736-0242 :736-0320 DESCRIPTION Bracket - Supped Gas Tank Screw - Hex Cap Screw - Hex Screw - Washer rScrew - Hex Cap !Clamp - Hose ;Washer - Lock Washer - Bell iWasher- Lock NO. 11 12 13 14 15 16 17 19 N/I i 1 2 2 4 2 4 1 2 22 NO. 741-0475 751-0535-16 751-0540A "QTY. i ! DESCRIPTION Bushing - PJastic Hose- Fuel Line 16" Tank- Fuel 2 Qt. .....
Models E150, E151, E152, E172, E173 Tightening Torque: 150-300 in. Ibs. @ REF. NO. --t PART NO 629:0z36 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 i:736"0119 i DESCRIPTION Cord - Extension 110V3M 2 Prong Bracket - Support Fuel Tank iScrew - Hex Cap ' Screw - Hex !Screw - Washer IScrew - Hex Screw - Hex Cap 'Clamp - Moun ing iClamp - Hose IWasher - Lock I REE 12 13 14 15 16 17 18 19 20 22 1 1 1 2 2 2 4 1 2 4 _oTv.i .o.
MANUFACTURER'S LIMITED WARRANTY FOR: YA..c,,N s)[( 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.