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Operator's Manual
Single Stage
Snowthrower
Model Series
140 through E173
IMPORTANT: Read safety rules and instructions carefully before operating equipment.
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
FORM NO. 770-10044A.fm
PRINTED IN U.S.A.
(9/99)
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Summary of Contents for MTD E173
- 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 FORM NO. 770-10044A.fm PRINTED IN U.S.A.
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Page 2: Table Of Contents
(Model Number) (Serial Number) MTD PRODUCTS INC P.O. BOX 368022 CLEVELAND, OHIO 44136 If you have difficulty assembling this product or have any questions regarding the controls, operation or maintenance of this unit, please call the Customer Support Department. -
Page 3: 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 4: Maintenance And Storage
stopped. Disconnect spark plug wire and keep away from plug to prevent accidental starting. • Do not run engine indoors, except when starting engine and transporting snow thrower in or out of building. Open doors. Exhaust fumes are dangerous. • Do not clear snow across the face of slopes. -
Page 5: Assembling Your Snow Thrower
SECTION 2: ASSEMBLING YOUR SNOW THROWER Unpacking from carton • Cut along corners of the carton and lay it down flat. See Figure 1. Remove packing material. • Remove any loose parts included with unit (i.e., operator’s manual, etc.). • Roll unit out of carton. - Page 6 pair of pliers to obtain slack in order to hook it into the control handle. Hold the “Z” fitting with the pliers, not the cable, to avoid damaging the cable. NOTE: The upper hole in the control handle provides for adjustment in belt tension. Refer to Belt Tension Adjustment Section of this manual for instructions.
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Page 7: Know Your Snow Thrower
SECTION 3: KNOW YOUR SNOW THROWER Read this owner’s manual and safety rules and labels before operating your snow thrower. Compare the illustrations in Figure 9 with your equipment to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference. The operation of any snow thrower can result in foreign objects being thrown into the operator’s eyes and causing severe eye damage. -
Page 8: Operating Your Snow Thrower
SECTION 4: OPERATING YOUR SNOW THROWER 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. -
Page 9: Making Adjustments
SECTION 5: MAKING ADJUSTMENTS WARNING: NEVER attempt to clean chute or make any adjustments or repairs while the engine is running. Shave plate • To check the adjustment of the shave plate, place the unit on a level surface. See Figure 12. The wheels, shave plate and augers should all contact the level surface. -
Page 10: Service
SECTION 6: SERVICE WARNING: Do not attempt to clean chute or make any adjustments or repairs while the engine is running. Replacing belt • Remove the belt cover by removing five hex screws. See Figure 16. Screws Figure 16 • Pull up on the idler pulley and slip the belt off the engine pulley. -
Page 11: Maintaining Your Snow Thrower
SECTION 7: MAINTENANCE General Recommendations • Always observe safety rules when performing any maintenance. • The warranty on this snow thrower does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warranty, operator must maintain the snow thrower as instructed in this manual. -
Page 12: Off-Season Storage
SECTION 8: 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 13: Troubleshooting
SECTION 9: TROUBLESHOOTING GUIDE Problem Engine fails to start 1. Fuel tank empty, or stale fuel 2. Blocked fuel line 3. Key not in ON position 4. Spark plug wire disconnected 5. Faulty spark plug 6. Gasoline and oil not mixed correctly Engine runs erratic 1. -
Page 14: Parts List
SECTION 10: PARTS LIST FOR MODELS 140 THROUGH E173... - Page 15 Models 140 through E173 Ref. Part No. Part Description 710-0167 Carriage Bolt 710-0276 Carriage Bolt 710-0323 Pan Head Screw 710-0451 Carriage Bolt 710-0642 Hex Washer Screw 710-1005 Hex Washer Screw 710-0773 Hex Washer Screw 710-0896 Hex Washer Screw 710-3015 Hex Cap Screw...
- Page 16 Models 140, 150, E150 and E151 Models 142, E152, E172 and E173 Ref. Part No. 710-1270 Oval C-Sink L Screw 710-0487 Bolt Carriage 712-0324 Nut Insl. Lock 720-0284 Knob—Handle 725-0157 Tie Cable 746-0883 Control Lever Body 747-0946 Handle Ass’y. Control 749-0705 Handle—Upper...
- Page 17 Models 140 and E142 Ref. Part No. Part Description 684-0056 Dash—21" 710-1090 Hex Flange Screw 710-0895 Hex Tap Screw 710-1268 Hex Tap Screw 712-0252 Hex Nut 712-3010 Hex Nut 714-0104 Cotter Pin 720-0201A Chute Crank Knob 725-0201 Key—Ignition 725-1425 Switch—Key 726-0100 Nut Push 731-0702...
- Page 18 Models 150, E150 and E173 Ref. Part No. Part Description 710-0805 Hex Screw 710-1005 Hex Washer Screw 710-1003 Hex Screw 710-1268 Hex Screw 712-0252 Jam Nut 712-3010 Hex Nut 714-0104 Hairpin Clip 714-0507 Cotter Pin 720-0201A Knob 725-0201 Key—Ignition 725-1425...
- Page 19 Models E151 and E172 Ref. Part No. Part Description 784-5572 Dash 710-0805 Hex Cap Screw 710-1005 Hex Washer Screw 710-1003 Hex Screw 710-1268 Hex Screw 712-3010 Hex Nut 714-0104 Hairpin Clip 714-0507 Cotter Pin 720-0201A Knob 725-0201 Ignition Key 725-1341B Ignition Key with Logo 725-1346 Nut, Ignition Switch...
- Page 20 Models 140 and E142 Ref. Part No. Part Description 710-0157 Hex Cap Screw 710-0805 Hex Cap Screw 710-0896 Washer Screw 726-0205 Hose Clamp 736-0242 Bell Washer 750-0589 Spacer 750-0716 Spacer 751-0352 Fuel Tank Ref. Part No. 751-0535-12 Hose, Fuel — 12” 754-0367 V-Belt 756-0416B...
- Page 21 Model 150 Ref. Part No. Part Description 705-5139 Support Bracket, Gas Tank 710-0157 Hex Cap Screw 710-0289 Hex Screw 710-0896 Washer Screw 710-3025 Hex Cap Screw 726-0205 Hose Clamp 736-0119 Lock Washer 736-0242 Bell Washer 736-0329 Lock Washer 741-0475 Plastic Bushing Ref.
- Page 22 Models E150, E151, E152, E172, E173 Ref. Part No. Part Description 629-0236 Extension Cord 705-5139 Support Bracket, Fuel Tank 710-0157 Hex Cap Screw 710-0289 Hex Screw 710-0896 Washer Screw 710-1003 Hex Screw 710-3025 Hex Cap Screw 726-0152 Mounting Clamp 726-0205...
- Page 23 Your Notes Dates...
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Page 24: P.o. Box
MANUFACTURER’S LIMITED WARRANTY The limited warranty set forth below is given by MTD PRODUCTS INC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and...