background image

IMPORTANT: Read safety rules and instructions carefully before operating equipment.

MTD PRODUCTS INC. P.O. BOX 368022 CLEVELAND, OHIO 44136-9722

Single Stage

Snow Thrower

Model Series 

140 through E173

PRINTED IN U.S.A.

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.

Operator’s Manual

FORM NO

.  770-10000B.fm

(6/2000)

ECO No. 1223

Summary of Contents for 140 Series

Page 1: ...haust 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...

Page 2: ...d dealer You can locate the model number by standing behind the unit in the operating position and looking down at the dash panel A sample model plate is explained below For future reference please copy the model number and the serial number of the equipment in the space below CALLING CUSTOMER SUPPORT If you have difficulty assembling this product or have any questions regarding the controls opera...

Page 3: ...ment or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes 3 Do not operate without wearing adequate winter outer garments Do not wear jewelry long scarves or other loose clothing which could become entangled in moving parts Wear footwear which will improve footing on slippery surfaces 4 Use a grounded three wire extension cord and receptacle for all uni...

Page 4: ... care and good judgment Contact your dealer or telephone 1 800 800 7310 for assistance and the name of your nearest servicing dealer Maintenance And Storage 1 Never tamper with safety devices Check their proper operation regularly 2 Disengage all clutch levers and stop engine Wait until the auger impeller come to a complete stop Disconnect the spark plug wire and ground against the engine to preve...

Page 5: ...e snow thrower is from the operating position only Before Assembly WARNING Disconnect the spark plug wire and ground it against the engine to prevent unintended starting Raising Upper Handle Loosen the hand knob on each side of the handle Remove packing material if any Figure 3 Raise the upper handle in the direction shown in Figure 3 till it clicks into the operating position Make sure not to pin...

Page 6: ... top right side of the snow thrower See Figure 6 Rotate the crank to align holes and insert the cotter pin Bend ends of cotter pin in opposite directions to secure See Figure 6 Figure 6 Secure eyebolt with 5 16 saddle washer and hex nut The cupped side of washer goes against the handle Adjust lower hex nut until the eyebolt is positioned so that the chute crank turns freely does not bind Move uppe...

Page 7: ... auger control handle is used to engage and disengage the augers The snow thrower is designed to be propelled by the rotation of the augers Pull the control handle back against the upper handle to engage the augers release to disengage Chute Crank Located on right side of dash panel the chute crank determines the direction that snow will be discharged Turn clockwise to discharge snow to the left t...

Page 8: ...t of the unit engage the auger control handle See Figure 11 As the snow thrower starts to move maintain a firm hold on the handle and guide the snow thrower along the path to be cleared Release the auger control handle to stop the snow throwing action and the forward motion Figure 11 Stopping Engine Run the engine for a few minutes before stopping to help dry any moisture on the engine To stop eng...

Page 9: ...elt tension following instructions below if the augers seem to hesitate while turning although engine maintains the same speed The upper hole in the control handle provides adjustment for belt tension To adjust disconnect the Z end of control cable from the bottom hole in the control handle See Figure 14 Hook the cable into the upper hole in control handle as shown Figure 14 If additional adjustme...

Page 10: ...ents section of this manual Tighten securely Figure 18 Engine Refer to the separate engine operator s manual packed with your snow thrower for all engine maintenance procedures Check engine and snow thrower frequently for loose hardware and tighten as needed Lubrication Lubricate pivot points on the control handle and the extension spring at the end of the clutch cable with a light oil once every ...

Page 11: ...ne manual Engine overheats 1 Gasoline and oil not mixed correctly 2 Carburetor out of adjustment 1 Drain fuel tank and refill with proper fuel mixture 2 Refer to engine manual Loss of power 1 Spark plug wire loose 2 Vent in gas cap plugged 3 Exhaust port plugged 1 Connect and tighten spark plug wire 2 Clear vent 3 Clean port Excessive vibration 1 Loose parts or damaged auger 1 Stop engine immediat...

Page 12: ...12 SECTION 9 PARTS LIST FOR MODEL SERIES 140 THROUGH E173 7 22 10 46 37 31 34 13 21 38 3 30 35 6 27 39 40 1 20 14 6 35 30 6 5 28 25 45 42 13 44 7 22 33 9 17 18 15 4 2 11 26 19 26 16 32 23 12 36 41 8 ...

Page 13: ... Chute 20 731 1033 Shave Plate 21 732 0357A Extension Spring 22 736 0108 Flat Washer 23 736 0119 Lock Washer 25 736 0176 Flat Washer 26 736 0159 Washer 27 736 0326 Flat Washer 28 736 0329 Lock Washer 30 741 0600 Ball Bearing 31 746 0910A Cable Clutch 32 748 0234 Spacer 33 749 0796 Handle Lower 34 756 0313 Flat Idler 35 784 5174 Bearing Cup 36 784 5176 Cover Belt 37 784 5175B Idler Brake Bracket 38...

Page 14: ... Lever 7 747 0946 Control Handle Assembly 8 749 0705 Upper Handle 9 736 0451 Saddle Washer Ref No Part No Part Description 1 710 1270 Oval C Sunk Screw 2 710 0487 Carriage Bolt 3 712 0324 Lock Nut 4 720 0295 Foam Grip 5 720 0284 Handle Knob 6 725 0157 Cable Tie 7 736 0451 Saddle Washer 8 746 0883 Control Lever 9 747 0956 Control Handle Assembly 10 749 0711A Upper Handle Models 142 E152 E172 and E1...

Page 15: ...x 1 5 3 710 1652 Self Tapping Screw 1 4 20 x 625 4 726 0205 Hose Clamp 5 736 0119 Lock Washer 6 736 0242 Beleville Washer 7 750 0589 Spacer 8 750 0716 Spacer 9 751 0352 Gas Tank 1 quart 10 751 0535 Fuel Line Hose 11 754 0367 V Belt 12 756 0416B V Pulley Half 13 756 0550 V Pulley 14 784 5177 Engine Support Bracket OEM 390 996 Electric Start Kit Optional ...

Page 16: ... Mounting Clamp 9 726 0205 Hose Clamp 10 731 2113A Cup 11 736 0119 Lock Washer 12 736 0242 Beleville Washer 13 736 0329 Lock Washer 14 741 0475 Plastic Bushing 15 Recoil Handle Obtain from engine manufacturer 16 751 0535 Fuel Line Hose 17 751 0540A Fuel Tank 2 Quart 18 751 0800 Fuel Cap 19 754 0101A V Belt 20 756 0416B V Pulley Half 21 756 0475 Pulley OEM 390 996 Electric Start Kit Optional Models...

Page 17: ...3 731 0702 Shroud 14 731 1133B Plug 15 736 0119 Lock Washer 16 736 0185 Flat Washer 17 736 0225 Internal Lock Washer 18 736 0400 Flat Washer 20 741 0475 Bushing 21 784 5178A Bracket Chute Crank 22 784 5344 Crank Assembly Chute 23 714 0111 Cotter Pin 24 747 0737 Chute Crank Upper 26 684 0126 Chute Crank Lower 27 750 0785 Spacer 29 735 0234 Grommet Rubber 30 747 0697 Eyebolt Chute Crank 31 712 3010 ...

Page 18: ...8 712 3010 Hex Nut 5 16 18 9 714 0104 Hairpin Clip 10 714 0507 Cotter Pin 11 715 0138 Roll Pin 12 720 0201A Knob 13 725 0201 Ignition Key 14 725 1425 Key Switch 15 726 0100 Push Cap 16 731 1089A Choke Cover 17 731 1133B Cap 18 731 1988 Shroud 21 Yellow 731 1087 Shroud 21 Black 19 735 0234 Rubber Grommet 20 736 0119 Lock Washer 21 736 0185 Flat Washer 22 736 0225 Internal Lock Washer 23 736 0400 Fl...

Page 19: ... Key 725 1341B Ignition Key w o Logo 14 725 1346 Ignition Switch Nut 15 725 1347 Ignition Switch Cap 16 725 1425 Switch Recoil Start Key 17 726 0100 Push Cap 18 731 1089A Choke Cover 19 731 1133B Cap 20 731 1765 Shroud 21 Black 21 735 0234 Rubber Grommet 22 736 0119 Lock Washer 5 16 23 736 0185 Flat Washer 375 x 738 x 063 24 736 0225 Int Lock Washer 5 8 x 1 058 x 046 25 736 0451 Saddle Washer 320 ...

Page 20: ...arate manufacturer s warranty Please refer to the applicable manufacturer s warranty on these items b Routine maintenance items such as lubricants filters blade sharpening and tune ups or adjustments such as brake adjustments clutch adjustments or deck adjustments and normal deterioration of the exterior finish due to use or exposure c Log splitter pumps valves and cylinders have a sepa rate one y...

Reviews: