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19

9

Illustrated 

Parts List

Model 450 

Series

To order replacement 

parts, contact  

1 (800) 800-7310 

or visit 

www.yardman.com 

Ref. Part No.

Part Description

1.

686-0111

Belt Cover Bracket Ass’y

2.

710-0237

Hex Bolt 5/16-24 x .62”

3.

710-0412

Hex Bolt 1/4-28 x .75”

4.

710-0502A Hex Washer Screw 3/8-16 x 1.25”

5.

710-0152

Hex Bolt 3/8-24 x 1.0

6.

710-0599

Hex Washer Screw

7.

710-0723

Hex Cap Screw 3/8-16 x 1.25

8.

712-0266

Lock Jam Nut 3/8-16

9.

712-0267

Hex Nut 5/16-18

10.

714-0104

Internal Cotter Pin 

11.

736-0104

Hairpin Clip

12.

736-0119

Lock Washer 5/16”

13.

736-0176

Flat Washer .25 ID x .93 OD 

14.

736-0271

Spring Washer .317 ID x .625 OD

15.

736-0329

Lock Washer 1/4” ID

16.

736-0452

Bell Washer .396 ID x 1.14 OD

17.

738-0876 

Shoulder Nut 7/16-20

18.

746-1117

Clutch Cable

19.

747-1159

Idler Pulley Rod

20.

754-0434

V-Belt

21.

756-0405

Flat Idler w/Flange 3.75 OD

22.

756-0971

Outer Engine Pulley Half

23.

756-0972

Inner Engine Pulley Half

Ref. Part No.

Part Description

24.

756-1162

Input Pulley

25.

786-0064A Idler Bracket

26.

786-0185

Belt Keeper Bracket 

27.

786-0187

Shift Cover Bracket

28.

786-0193

Idler Belt Keeper

29.

634-04231

Wheel Assembly 16.0 x 4.6 x 8

734-0808

Tire Only 16.2 x 4.6

30.

634-04230

Wheel Rim Assembly

31.

734-0255

Air Valve 

32.

710-0606

Hex Head Screw 1/4-20

33.

712-04064

Flange Lock Nut 1/4-20

34.

710-0382

Hex Bolt 1/2-13 x 5.0

35.

712-0206

Hex Nut 1/2-13

36.

731-1595

Counterweight

37.

736-0179

Flat Washer 

38.

736-0921

Lock Washer 1/2

39.

710-0653

Hex Screw 1/4-20 x .375

40.

710-1017

Screw 1/4-14 x .625

41.

712-0392

Lock Nut

42.

736-3020

Flat Washer .271 ID x .630 OD

43.

784-0158A Belt Cover

44.

737-0298

Straight Pipe 1/4-3.5”

45.

737-0132

End Cap

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 Green, the part number to order 
would be 700-xxxx-0665.

 

 

Green: 0665

 

 

Powder Black: 0637

Содержание 450 Series

Страница 1: ...ined 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...

Страница 2: ...orized service dealer Please do NOT return the unit to the retailer from which it was purchased without rst contacting Customer Support Customer Support If you have difficulty assembling this product...

Страница 3: ...CHILDREN OR UNINSTRUCTED ADULTS TO OPERATE TILLER 5 SHUT OFF ENGINE BEFORE U NCLOGGING TINES OR MAKING REPAIRS 6 KEEP BYSTANDERS AWAY FROM M ACHINE 7 KEEP AWAYFROM ROTATING PARTS 8 USE EXTREME CAUTION...

Страница 4: ...ry can occur when gasoline is spilled on yourself or your clothes which can ignite Wash your skin and change clothes immediately 7 Use only an approved gasoline container 8 Extinguish all cigarettes c...

Страница 5: ...es Check their proper operation regularly 2 Check bolts and screws for proper tightness at frequent intervals to keep the machine in safe working condition Also visually inspect machine for any damage...

Страница 6: ...pth stake assembly Place flat washer on the hex bolt and thread T knob onto the hex bolt Tighten securely See Figure 1 Tip the tiller back down so it rests on the tines Attaching Handle Assembly Remov...

Страница 7: ...bail engaged adjust by unthreading the internally threaded tube at the end of the cable a few turns clockwise when standing in operator s position and then retighten the nut against the tube Now move...

Страница 8: ...he reverse tine drive when tilling virgin ground sod or hard soil Use the forward tine drive when cultivating or tilling soft ground NOTE If difficulty is encountered in moving the gear selection hand...

Страница 9: ...to enrich the fuel mixture in the carburetor when starting a cold engine This symbol points out important safety instructions which if not followed could endanger the personal safety and or property...

Страница 10: ...ace the engine speed control in the START position Move choke lever to CHOKE position or if equipped push primer two 2 or three 3 times Wait about two 2 seconds between each push NOTE A warm engine ma...

Страница 11: ...t the wheel drive only WARNING Do not push down on the handles so that the wheels are lifted off the ground while using the tine drive or the tiller could move backward and cause personal injury For b...

Страница 12: ...remely dusty conditions Poor engine performance and flooding usually indicates that the air cleaner should be serviced To service the air cleaner refer to the separate engine manual packed with your u...

Страница 13: ...Fill tank with clean fresh gasoline Fuel will not last over thirty days unless a fuel stabilizer is used Move throttle lever to start position Clean fuel line Refer to the engine manual packed with y...

Страница 14: ...13 29 35 16 53 35 16 46 31 28 12 45 17 17 44 36 6 3 33 15 27 5 36 43 4 20 40 21 1 34 18 10 42 23 7 22 36 8 47 32 37 50 25 10 9 24 36 51 34 45 26 41 36 35 16 29 19 49 44 33 14 35 16 2 14 28 35 16 14 11...

Страница 15: ...fting Fork 22 717 1582 Spur Gear 44T 23 717 1583 Spur Gear 30T 24 717 1584 Spur Gear 30T 25 717 1585 Spur Gear 44T 26 717 1587 Spur Gear 44T Ref Part No Part Description 27 717 1594 Spur Gear 16T 28 7...

Страница 16: ...23 10 1 60 61 37 62 25 34 27 64 30 39 63 26 32 36 33 31 29 66 26 41 30 30 24 28 35 40 26 49 44 50 59 51 65 53 55 56 54 57 58 44 46 42 4 9 11 16 6 3 14 7 19 5 17 2 60 61 12 15 12 38 21 22 67 70 70 68 6...

Страница 17: ...69 Lock Washer 3 8 30 712 04063 Flange Nut 5 16 18 31 726 0106 Cap Nut 32 738 0849 Hex Screw 5 16 18 x 75 33 747 0432 Rod 34 750 0885A Spacer 322 x 625 x 2 0 Ref Part No Part Description 35 786 0090 S...

Страница 18: ...18 33 35 4 38 37 34 24 7 41 3 16 15 13 21 25 14 1 11 2 8 6 27 5 39 20 31 32 29 Wheel shaft shown for reference only 36 18 12 26 43 42 17 28 40 44 45 9...

Страница 19: ...ey Half 23 756 0972 Inner Engine Pulley Half Ref Part No Part Description 24 756 1162 Input Pulley 25 786 0064A Idler Bracket 26 786 0185 Belt Keeper Bracket 27 786 0187 Shift Cover Bracket 28 786 019...

Страница 20: ...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...

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