MTD Series 620 Manuel utilisateur

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 361131 Cleveland,

Ohio 44136-0019.

MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

PRINTED IN U.S.A.

READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION

IMPORTANT

ILLUSTRATED PARTS

MANUAL

Hydrostatic Lawn Tractor — Model Series 620

03/8/2007

FORM NO. 769-02978

135

Model Series 620

Illustrated

Parts List

To order

replacement parts,

call the Customer

Service Line at

1-800-800-7310

or visit

www.mtdproducts.com

NOTE:Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard

equipment.

Ref.

No.

Part No. Description

1 710-0726 Screw, 5/16-12 x .750

2 710-0599 Self-tapping Screw, 1/4-20 x.5

3 710-0751 Hex Cap Screw, 1/4-20 x.62

4 746-04365 Throttle Control/Cable

5 725-1745 Ignition Key w/ plastic cover

725-1744 Ignition Key w/o plastic cover

6 731-04949 Headlight Lens

7 738-04091 Shoulder Screw,.43 x.29

8 783-04551 Hood, 1 Style

9 783-04552 Grill, 1 Style

10 783-04578 Pivot Bracket - RH

783-04577* Pivot Bracket - LH

11 783-04621 Grill Pivot Bracket

12 712-04064 Flange Lock Nut, 1/4-20

13 751-0658E Fuel Tank, Three Gallon

14 751-0603 Fuel Cap

15 710-1017 Screw, 1/4-14 x.625

16 710-0895 Self-tapping Screw, 1/4-15 x.75

17 746-1085A Choke Control Cable

18 725-04227B Ignition Switch

19 731-05522 Hood Cover, 5 Style

20 731-05005B Dash Panel

21 731-04215 Cruise Control Button

22 731-04217 Parking Brake Button

Ref.

No.

Part No. Description

23 736-0176 Flat Washer, .265 x .938 x 1.20

24 747-1196 Brake/Cruise Pivot Rod

25 629-04083A* Headlight Wire Harness

26 731-05165A Plenum

27 783-04285E RH Dash Support Plate

28 710-0607 Screw, 5/16-18 x .500

29 783-04323D LH Dash Support Plate

30 725-0963 Lamp

31 736-0270 Bell Washer,.265 x.75 x.062

32 710-1611B Screw, 5/16-18 x.75

33 725-1649 Headlight Socket

34 710-1652 Hex Index Screw, 1/4-20 x.625

35 683-04219A Bumper Assembly

36 712-04065 Flange Lock Nut, 3/8-16

37 731-05674 Cap

38 738-0143 Shoulder Bolt, 3/8-16

39 725-1752 Electric PTO Switch

40 725-04036C Systems Ind. Monitor w/Hr. Mtr.

725-04156 Systems Ind. Monitor w/ Amtr.

— 725-04403* Wire Harness (w/Hour Meter)

— 725-04404* Wire Harness (w/Hour Meter &

Electric PTO)

— 725-04411* Wire Harness (w/Ammeter)

— 777X41984 Headlight Reflective Insert

* Not Shown

Model Series 620

Illustrated

Parts List

To order

replacement parts,

call the Customer

Service Line at

1-800-800-7310

or visit

www.mtdproducts.com

NOTE:Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard

equipment.

Ref.

No.

Part No. Description

1 710-0227 Screw, #8-18 x.500

2 683-04301 Lift Shaft Assembly

3 736-0204 Washer, Flat, .344 x .62 x .033

4 736-0607 Lock Washer, 5/16

5 712-04065 Flange Lock Nut, 3/8-16

6 712-04063 Flange Lock Nut, 5/16-18

7 725-1439 Inner Seat Spring Switch

8 714-0104 Hairpin Clip

9 726-3046 Foot Pad Clips

10 716-0106A E-Ring

11 720-0311 Handle Grip

12 732-0874 Torsion Spring

13 732-1184 Extension Spring,.84 x 4.6

14 736-0242 Flat Washer

15 726-0278 Insulator Boss Plate

16 736-0300 Flat Washer, .406 x .875 x .059

17 710-0599 Screw, 1/4-20 x.500

18 738-0138A Hex Cap Screw, 5/16-18 x.62

19 738-0380 Shoulder Screw, 3/8-16

20 741-0225 Hex Flange Bearing

21 712-0271 Sems Nut 1/4-20

22 746-0968 Lift Cable, 16.16

23 747-04447 Lift Handle

24 756-1154 Roller Pulley

25 783-0678B Arm Lift

Ref.

No.

Part No. Description

26 731-1993A Cover w/ Cup Holder

27 710-0451 Carriage Bolt, 5/16-18 x.750

28 710-0604A Self-tapping Screw, 5/16-18 x.625

29 710-0895 Self-tapping Screw, 1/4-15 x.75

30 731-1990 Lift Lever Cover

31 738-0296 Shoulder Screw,.437 x.286

32 736-3078 Flat Washer,.349 x 1.0 x.063

33 783-0677B Lift Adjustment Bracket

34 783-04459A Fender 4 Sty Hydro w/ Flares

35 783-1489C Seat Mounting Bracket

36 720-04061 Knob, 3/8-16 x .875

37 712-04064 Flange Lock Nut, 1/4-20

38 738-04012A Shoulder Screw, 3/8-16 .625 x .145

39 757-04003A High Back Seat, Black

40 783-04081B Seat Pivot Bracket

41 725-1303 Outer Seat Spring Switch

42 710-0932 Carriage Screw 1/4-20 x 1.00

43 735-0656 RH Foot Pad

44 735-0657 LH Foot Pad

45 714-0111 Cotter Pin

46 726-0279 Insulator Plate

47 783-0209D Seat Lift Bracket

48 726-0201 Speed Clip

49 731-2618 RH Fender Flare

50 731-2619 LH Fender Flare

Model Series 620

926

Illustrated

Parts List

To order

replacement parts,

call the Customer

Service Line at

1-800-800-7310

or visit

www.mtdproducts.com

NOTE:Tractor features vary by model. NOT all parts listed above and pictured on the previous page are standard

equipment.

Ref.

No.

Part No. Description

1 710-04095 Hex Screw, 3/8-16, 1.00, Gr5

2 710-0514 Hex Screw, 3/8-16, 1.00, Gr5

3 710-0643 Hex Screw, 5/16-18, 1.00, Gr5

4 711-1408 Link, Drag, RH

5 711-1409A Link, Drag, LH

6 712-0214 Nut, Hex Lock, 3/8-24

7 712-04065 Nut, Flange Lock, 3/8-16

8 712-0459 Nut, Flange Lock, 7/16-20

9 712-3004A Nut, Flange Lock, 5/16-18, Gr5

10 712-0240 Nut, Jam, 7/16-20, Gr2

11 717-1550E Gear, Steering, 11/90 Ratio

12 717-1554 Gear, Pinion, Steering

13 723-0448A Ball Joint, 7/16-20, Lock

14 736-3004 Washer, Flat,.406 x.875 x.105

15 736-3084 Washer, Flat,.51 x 1.12 x.06

16 710-1260A Screw, 5/16-18, 0.750

17 738-04154 Spacer, Shoulder,.38 x 1.00 x.31

18 738-1001A Shaft, Steering,.625 OD x 24.25

19 741-0475 Plastic Bushing.380 ID

20 741-0656A Hex Flange Bearing 5/8 PM

21 783-0726E Pivot Bracket, Support RH

Ref.

No.

Part No. Description

22 783-0727D Pivot Bracket, Support LH

23 783-0728B Pivot Bracket, Bar

24 631-04008A Steering Wheel, 13.25

25 731-04039 Steering Wheel Cover

26 738-1011A Shoulder Screw,.5 x 2.2, 3/8-16

27 731-05674 Cap

28 736-04228 Flat Washer, .781 x 1.589

29 714-04039 Cotter Pin, 5/32 x 1.25

30 719-04105 Cast Iron Pivot Bar

31 726-0341 Push Cap

32 638-04003A LH Axle Assembly,.750

33 638-04004A RH Axle Assembly,.750

34 711-0332 Pin, Clevis,.50 x.78

35 714-04023 Cotter Pin, Int., .080 x 1.5625

36 783-0720A Adjustment Bracket, Front

37 634-04086 Wheel Assembly Complete,

734-1731 Tire Only 15 x 6 x 6 Sq. Shldr.

634-04081 Rim Only w/ Valve Stem

38 738-0143 Screw, Shldr,.498 x.340, 3/8-16

39 712-0431 Flange Lock Nut, 3/8-16

Model Series 620

18 1

57 22

73 81

837

Illustrated

Parts List

To order

replacement parts,

call the Customer

Service Line at

1-800-800-7310

or visit

www.mtdproducts.com

NOTE:Tractor features vary

by model. NOT all parts

listed above and pictured

on the previous page are

standard equipment.

*Not Shown

REF. PART NO. DESCRIPTION

44 747-04139 Brake Rod

45 747-1149 Bypass Rod

46 747-1151 Control Rod

47 748-0334 Transaxle Spacer

48 750-0566A Spacer,.260 x.372 x 1.030 Lg.

49 754-0461 V Belt, A x 78” Lg

50 756-04111 Input Pulley

51 756-04209 Idler Pulley

52 756-04224 Flat Idler Pulley

53 783-04442 Idler Bracket

54 783-0810B Torq Bracket

55 783-1019B Actuator Bracket

56 647-0049A Hydrostatic Control Assembly

57 647-04100 Brake Control Assembly

58 683-0267C Pedal Assembly

59 710-1260A LD Screw 5/16-18 x 0.75

60 711-04159B Pin

61 712-04065 Flange Lock Nut, 3/8-16

62 712-3004A Flange Lock Nut, 5/16-18

63 714-0104 Pin, Cotter

64 732-0335 Compression Spring

65 732-0955 Extension Spring

66 732-0963 Extension Spring

67 735-0662 Control Pedal

68 735-3049A Brake Control Pedal

69 736-0119 Lock Washer 5/16

70 736-0187 Flat Washer,.64 x 1.24 x.06

71 736-0262 Flat Washer, .385 x .870 x .092

72 738-0155 Shoulder Screw

73 738-0380 Shoulder Screw

74 741-0225 Hex Flange Bearing

75 741-3065B Hex Flange Bearing

76 747-04093A Brake Lock Control Rod

77 747-04096 Cruise Control Rod

78 747-04641 Brake Pedal

79 748-04039C Cruise Latch

80 783-04612 Steering Support Bracket

81 783-0663E Hydro Lockout Bracket

82 634-0104 Wheel Complete, 20 x 8 x 8

734-1730 Tire Only, 20 x 8 x 8

634-0070 Rim Only

734-0255 Tubeless Air Valve

REF. PART NO. DESCRIPTION

1 17840 Transmission Mounting Bracket

2 618-04228 Wheel Hub Assembly

3 618-04270A Hydrostatic Transmission

4 629-04124* Harness Assembly

5 710-0227 AB Screw #8-18 x 0.375

6 710-0502A TT Sems Screw 3/8-16 x 1.250

7 710-0520 Hex Bolt 3/8-16 x 1.5

8 710-0627 Screw, 5/16-24 x.750

9 710-0653 TT Screw 1/4-20 x 0.5

10 710-0726 AB Screw 5/16-12 x 0.75

11 710-0778 Screw, 1/4-20 x 1.50

12 710-1007 Screw, 3/8-16 x 1.50

13 710-1266 Hex Bolt 5/16-18 x 3.5

14 710-3007 Carriage Screw

15 710-3011 Hex Bolt 3/8-16 x 2.25

16 711-0832 Ferrule

17 712-0240 Jam Nut 7/16-20

18 712-04063 Flange Lock Nut, 5/16-18

19 712-0431 Flanged Lock Nut 3/8-16

20 712-3017 Flanged Lock Nut 3/8-16

21 712-3066 Hex Nut, 1/2-20

22 714-0111 Cotter Pin

23 714-0507 Cotter Pin

24 725-0157 Cable Tie

(Not shown)

25 725-1644 Switch

26 726-0154 Cable Tie

(Not shown)

27 726-0320 Insulator Nut Plate

28 731-05300 Sleeve, .765 x 2.410 Lg.

29 731-1449A Blade Fan

30 732-0209 Extension Spring

31 732-04323B Extension Spring

32 732-0716C Extension Spring

33 732-0729 Wire Ring

34 732-0994 Extension Spring

35 732-3118 Extension Spring

36 736-0169 Lock Washer

37 736-0242 Bell Washer,.340 x.872 x.060

38 736-0258 Flat Washer,.385 x 1.0 x .135

39 736-0300 Flat Washer

40 736-0921 Lock Washer

41 736-3010 Flat Washer

42 712-3050 Lug Nut 7/16-14

43 738-0372B Shoulder Spacer

Illustrated

Parts List

To order

replacement parts,

call the Customer

Service Line at

1-800-800-7310

or visit

www.mtdproducts.com

Model Series 620

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