MTD 31AH7L3G701 Operator'S Manual Download

Page: 25 / 28

Model 7L3

NOTE:

For

painted parts

, please refer to

the list of color codes below. Please add
the applicable color code, wherever
needed, to the part number to order a
replacement part. For instance, if a part
numbered 700-xxxx is painted Yard-Man
Green, the part number to order would be
700-xxxx-0665.

Yard-Man Green: 0665

Yard-Man Yellow: 0674

Powder Black: 0637

Ref.

No.

Part No.

Part Description

784-5648

Frame Cover

710-0896

AB Screw 1/4-14 x.625

748-0190

Spacer

732-0264

Extension Spring

712-0711

Jam Nut 3/8-24

736-0105

Bell Washer

684-0021

Friction Whl Support Bracket Ass’y

746-0898B

Drive Cable

656-0012A

Friction Disc

10.

784-5689A

Front Support Guide Bracket

11.

713-0413

10T Sprocket

12.

746-0897

Auger Cable

13.

750-0997

Spacer

14.

711-1042

Hex Track Drive Shaft

15.

684-0042C

Friction Wheel Assembly

16.

736-0160

Flat Washer

17.

714-0474

Cotter Pin

18.

741-0563

Ball Bearing

19.

736-0242

Bell Washer

20.

710-0538

Hex Cap Screw 5/16-18 x.625

21.

710-0875

Tap Screw 1/4-20 x.75

22.

736-0270

Bell Washer.265 ID x.75 OD

23.

736-0176

Flat Washer 1/4 ID x.93 OD

24.

741-1111

Hex Flange Bearing

25.

710-0643

Hex Cap Screw 5/16-18 x 1”

26.

748-0234

Shoulder Spacer

27.

710-0726

Tap Screw 5/16-12 x.750

28.

684-0031

Frame Assembly

29.

738-0924

Hex Screw 1/4-28 x.375

30.

756-0625

Cable Roller

31.

784-5688

Drive Cable Guide Bracket

32.

710-0599

Tap Screw 1/4-20 x.5

33.

784-5590

Shift Frame Bracket

34.

684-0014B

Track Shift Rod Assembly

35.

784-5687A

Auger Cable Guide Bracket

36.

710-0809

Tap Screw 1/4-20 x 1.250

37.

618-0063A

Friction Wheel Bearing Ass’y

38.

718-0301A

Friction Wheel Hub

39.

735-0243B

Friction Wheel Rubber

40.

790-00011

Friction Plate

41.

790-00010

Friction Plate

Ref.

No.

Part No.

Part Description

REF.

NO.

PART

NO.

DESCRIPTION

618-0123

RH Housing

618-0124

LH Housing

710-0642

Self Tapping Screw, 1/4-20 x.75

711-0910A

Auger Axle

714-0161

Hi-Pro Key

715-04021

Dowel Pin

717-0528A

Worm Gear, 20-tooth

717-0526

Worm Shaft

718-04071

Thrust Collar

10.

721-0325

Grease Plug

11.

721-0327

Grease Seal

12.

736-0351

Flat Washer

13.

736-3084

Flat Washer

15.

741-0662

Flange Bearing

16.

741-0663

Flange Bearing

18.

618-0122B

Gear Assembly Complete

Summary of Contents for 31AH7L3G701

Page 1: ...ith 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...

Page 2: ...xperts Choose from the options below Visit yardman com for many useful suggestions Click on Customer Support button and you will get the four options reproduced here Click on the appropriate button and help is immediately available If you prefer to reach a Customer Support Representative please call 1 800 800 7310 The engine manufacturer is responsible for all engine related issues with regards to...

Page 3: ...ch could be tripped over or thrown by the auger impeller 2 Always wear safety glasses or eye shields during operation and while performing an adjustment 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...

Page 4: ...ed by the manufacturer e g wheel weights tire chains cabs etc 20 If situations occur which are not covered in this manual use 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 Refer to the maintenance and adjustment sect...

Page 5: ...andle See Figure 2 Figure 2 Raise the upper handle assembly until it locks over the lower handle Look at the lower rear of snow thrower frame to be sure both cables are aligned with cable roller guides Secure the upper handle and lower handle with the two plastic wing knobs cupped washers and carriage bolts previously removed and tighten the upper two plastic wing knobs See Figure 3 Figure 3 Slide...

Page 6: ...rify your snow thrower is operating safely and properly Chute Tilt Control The distance snow is thrown can be changed by adjusting the angle of the upper chute Move the chute tilt control forward to decrease the distance and backwards to increase distance See Figure 5 Skid Shoe The space between the shave plate and the ground can be adjusted by positioning the skid shoes Refer to Skid Shoe Adjustm...

Page 7: ...e the unit will start Remove the ignition key to prevent unauthorized use of equipment See Figure 5 IMPORTANT Do NOT attempt to turn the key Headlight The headlight is on whenever the engine is running Track Lock Lever The track lock lever is located on the right side of the snow thrower and is used to select the position of the auger housing and the method of track operation Move the lever to the...

Page 8: ...ecoil Starter Rotate choke knob to FULL choke position cold engine start If engine is warm place choke in OFF position instead of FULL Push primer button two or three times If engine is warm push primer button once only NOTE Always cover vent hole in primer button when pushing Additional priming may be necessary for first start if temperature is below 15 F Grasp starter handle and pull rope out sl...

Page 9: ...ment has been achieved Repeat the previous steps to provide more slack in cable if necessary Figure 7 Clean Out Tool The clean out tool is conveniently fastened to the rear of the auger housing with a mounting clip Should snow and ice lodge itself in the chute assembly during operation proceed as follows to safely clean the chute and chute opening Release both the Auger Control and the Drive Auger...

Page 10: ...e highest speed With the drive control released push the snow thrower forward The unit should roll forward Then engage the drive control The wheels should stop turning Now release the drive control and push the unit again Move the shift lever back to the fast reverse position then all the way forward again There should be no resistance in the shift lever and the wheels should keep turning If you h...

Page 11: ...nstructed under Final Adjustments in the Assembly Section before operating the snow thrower Skid Shoes The space between the shave plate and the ground can be adjusted See Figure 12 For close snow removal on a smooth surface raise skid shoes higher on the auger housing Use a middle or lower position when the area to be cleared is uneven Figure 12 WARNING Do not operate this snow thrower on gravel ...

Page 12: ...ce damage to the seals could result Be sure the vent plug is free of grease in order to relieve pressure Auger Shaft At least once a season remove the shear bolts on the auger shaft Spray lubricant inside the shaft and lubricate the plastic auger bearings at least once a season See Figure 13 Figure 13 Drive and Shifting Mechanism Lubricate at least once a season or after every 25 hours of operatio...

Page 13: ... in order to change either one If changing just one belt be certain to check the condition of the other belt Remove the plastic belt cover at the front of the engine by removing the two self tapping screws See Figure 15 Drain the gasoline from the snow thrower or place a piece of plastic film under the gas cap Tip the snow thrower up and forward so that it rests on its auger housing Figure 15 Remo...

Page 14: ... Drain the gasoline from the snow thrower Tip the snow thrower up and forward so that it rests on the housing Refer to Figure 9 Remove six self tapping screws from the frame cover underneath the snow thrower Using a 7 8 wrench to hold the shaft loosen but do not completely remove the hex bolt and bell washer on the left end of gear shaft See Figure 19 Lightly tap the hex nut to dislodge the ball b...

Page 15: ... to be stored over 30 days prepare for storage as follows Remove gasoline from carburetor and fuel tank to prevent gum deposits from forming on these parts and causing possible malfunction of engine Run engine until fuel tank is empty and engine stops due to lack of fuel Drain carburetor by pressing upward on bowl drain located below the carburetor cover NOTE Fuel stabilizer is an acceptable alter...

Page 16: ...re loose 2 Gas cap vent hole plugged 1 Connect and tighten spark plug wire 2 Remove ice and snow from gas cap Be certain vent hole is clear Excessive vibration 1 Loose parts or damaged auger 1 Stop the engine immediately and disconnect the spark plug wire Tighten all bolts and nuts If vibration continues have the unit serviced by an authorized service dealer Unit fails to propel itself 1 Drive con...

Page 17: ...17 NOTES ...

Page 18: ...27 21 8 Part of handle panel for reference only 13 25 4 9 3 24 20 14 26 11 19 30 29 32 34 38 39 40 41 42 43 11 45 45 46 47 48 49 50 51 52 53 54 54 55 56 57 58 59 60 40 61 62 63 64 65 43 67 68 69 66 70 71 72 53 40 16 74 75 76 77 43 64 81 68 79 43 78 28 23 10 75 75 16 15 12 75 66 70 44 2 73 18 11 ...

Page 19: ... 40 710 0599 TT Screw 1 4 20 x 0 5 41 711 0653 Clevis Pin 42 712 0116 Jam Lock Nut 3 8 24 43 712 04063 Flange Lock Nut 44 714 0145 Click Pin 45 714 0507 Cotter Pin 46 732 0145 Compression Spring 47 732 0193 Compression Spring 48 732 0746 Torsion Spring 49 735 0199A Rubber Bumper 50 736 0105 Bell Washer 51 736 0509 Flat Washer 52 746 0778 Drive Cable Z Fitting 53 747 0877 Cam Rod 54 748 0362 Handle...

Page 20: ...20 Model 7L3 4 2 3 1 5 6 7 8 16 11 12 14 15 13 16 26 28 13 33 16 35 34 36 37 38 39 41 40 42 16 40 39 29 24 21 22 30 16 27 ...

Page 21: ...g 8 712 3068 Hex Nut 5 16 18 11 05931A Housing 12 741 0309 Ball Bearing 13 710 0451 Carriage Bolt 5 16 18 x 75 14 705 5226 Chute Reinforcement 15 684 04129 Auger Housing Assembly 28 16 712 04063 Flange Lock Nut 5 16 18 21 731 2635 Clean Out Tool Mount 22 731 2643 Clean Out Tool 24 790 00087 Bearing Housing 26 710 0726 Hex Screw 5 16 12 27 725 0157 Cable Tie 28 712 04065 Flange Lock Nut 3 8 16 29 7...

Page 22: ...22 Model 7L3 17 27 1 2 3 4 5 6 7 4 8 9 10 11 12 13 14 15 16 18 19 19 16 16 16 20 21 22 23 24 25 26 ...

Page 23: ...ve Clutch Idler Bracket 7 748 0234 Shoulder Spacer 8 756 0987 Pulley Half 9 754 0346 V Belt 10 756 0986 Pulley Half 11 736 0270 Bell Washer 12 710 0230 Hex Cap Screw 1 4 28 x 50 13 756 0313 Flat Idler 14 710 1245B Lock Hex Cap Screw 5 16 24 15 712 0181 Lock Jam Nut 3 8 16 16 756 0569 Pulley Half 17 710 0602 Self Tapping Screw 5 16 18 x 1 00 18 736 0505 Flat Washer 19 754 0430B Belt 20 756 0967 Aug...

Page 24: ...24 15 Model 7L3 25 19 26 27 24 23 22 21 16 17 18 19 20 29 30 31 32 32 32 34 30 32 27 26 19 25 36 21 24 23 22 12 2 30 10 18 19 20 2 1 13 11 14 9 3 7 6 5 4 2 40 39 38 28 8 35 41 33 37 29 29 ...

Page 25: ...6 0270 Bell Washer 265 ID x 75 OD 23 736 0176 Flat Washer 1 4 ID x 93 OD 24 741 1111 Hex Flange Bearing 25 710 0643 Hex Cap Screw 5 16 18 x 1 26 748 0234 Shoulder Spacer 27 710 0726 Tap Screw 5 16 12 x 750 28 684 0031 Frame Assembly 29 738 0924 Hex Screw 1 4 28 x 375 30 756 0625 Cable Roller 31 784 5688 Drive Cable Guide Bracket 32 710 0599 Tap Screw 1 4 20 x 5 33 784 5590 Shift Frame Bracket 34 6...

Page 26: ...1 2 6 3 10 12 7 8 5 4 9 13 15 14 17 16 19 20 22 22 20 19 28 21 18 21 18 15 13 14 29 31 32 30 30 32 34 37 38 36 23 35 27 39 11 40 41 42 44 45 51 46 47 48 52 46 53 51 54 55 54 50 16 17 49 37 56 24 25 26 26 33 33 56 56 ...

Page 27: ...embly 24 684 0024 Idler Axle Assembly 25 710 1231 Eye Bolt 26 784 5639 Track Side Plate 27 711 0911 Actuator Shaft 28 713 0233 Chain 29 618 0169A Track Steering Shaft Assembly 30 683 0024 Track Hub Assembly 31 713 0437 Chain 32 741 0339 Flange Bearing 33 736 0287 Flat Washer 34 611 0053 Axle Assembly 35 750 0904 Spacer 36 618 0043 RH Dogg Assembly 37 750 0903 Spacer 38 732 0209 Extension Spring 39...

Page 28: ...stments and normal deterioration of the exterior finish due to use or exposure d Service completed by someone other than an authorized service dealer e MTD does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD s authorized channels of export distribution f Replacement parts that are not genuine MTD part...

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