MTD 993 manual Model

Page 23

Model 993

Ref.

Part No.

Description

Qty.

Ref.

Part No.

Description

Qty.

No.

 

 

 

No.

 

 

 

1

05523

Pivot Axle Brkt. .63 Hole - Zinc

1

43

717-0302

Aluminum Drive Plate

1

2

618-0278

Bush Asm slev

1

45

732-0121

Idler Extension Spring

1

3

618-0279

Dogg Asm Dr Lh

1

46

732-0209

Extension Spring

2

4

618-0280

Dogg Asm Dr Rh

1

47

736-0119

Lock Washer 5/16

7

5

618-0282A

Shf Asm Dr

1

48

736-0158

Lock Washer 5/8

1

6

618-0296

Whl Asm Brg 6.0 OD Friction

1

49

736-0160

Wash Fl .531 ID x .930 OD x .05

4

7

684-0115

Brkt Asm Supt Friction Dr

1

50

736-0163

Wash Fl 1.03 ID x 1.62 OD

4

8

684-0116

Arm Asm Shift

1

51

736-0300

Wash Flt 1/4 ID x .930 OD x .12

2

9

684-0117

Shft Asm Rod

1

52

736-0623

Wash Flt .640 ID x 1.24 OD x .06

1

10

684-0118

Brkt Asm Actr Auger

1

53

736-0217

Lock Washer 3/8 Heavy

4

11

684-0119

Brkt Asm Actr Dr

1

54

736-0242

Bell Wash .345 ID x .88 OD

2

12

684-0120

Frm Asm Trans

1

55

736-0275

Fl-wash Sae .34 x .68 .062

1

13

684-0122

Spkt Asm 32t

2

56

736-0329

Lock Washer 1/4

5

14

710-3008

Hex Scr 5/16-18 x .75

3

57

738-0143

Shld Scr .498 Dia x .340

2

15

710-0195

Hhcs 1/4-28 .625 Gr5 std

2

58

738-0279

Drive Plate Spindle

1

16

710-3180

Hex Scr 5/16-18 x 2.00

2

59

738-0924

Scr Shldr .340 D. 1/4 Ab

1

17

710-0538

Hhcs 5/16-18 x .625 Gr5 Lock

2

60

741-0163A

Asm Brg Hsg

2

18

710-0599

Scr TT 1/4-20 x .5 Hxindwsh

4

61

741-0192

Flange Brg Pm W/flts 1.0

2

19

710-3103

Hex Scr 5/16-18 2.00 Lg

2

62

741-0563

Ball Bearing W/snap Ring

2

20

710-0788

Scr Hexwash 1/4-20 x 2.00

1

63

741-0597

Brg Hex Flange x .564 ID

2

22

710-1652

Scr Ab 1/4-14 .625 Hxindwsh

14

64

746-0951

Cb Idlr Auger

1

23

710-3001

Hhcs 3/8-16 x .880 Gr5 Std

2

65

746-0949

Cbl Strg

2

24

710-3008

Scr Cap 5/16-18 x .75 Gr 5

4

66

747-0973

Rod Clu Dr

1

25

711-1191

Shf Dr .875 Hex

1

67

750-1097

Spcr Splt .64 x .77 x 2.1

1

26

711-1193

Shf Sctr

1

68

750-0903

Split Spacer 1/2 x 5/8 x 2.44

2

27

711-1194

Shf Actr Dr

1

69

750-0997

Spcr .675 ID x 1.00 OD x .23

1

28

712-0138

Hex Nut 1/4-28

3

70

756-0344

1/2 V-pulley .62 ID x 7.5

1

29

712-0221

Hex Ins Jam L-nut 5/8-18

1

71

756-0625

Cable Guide Roller

1

32

712-0429

Hex Ins L-nut 5/16-18

4

72

784-0377

Brkt Supt Frm

1

33

712-0798

Hex Nut 3/8-16

2

73

784-0379

Cvr Frm Upr

1

34

712-3010

Nut Hex 5/16-18 Gd 5

7

74

784-0380

Cvr Frm Lwr

1

35

713-0284

#41 Chain 1/2 Pitch x 36 L

1

75

784-0384

Brkt Gde Auger Cbl

1

36

713-0286

#420 Chain 1/2 Pitch x 40 L

2

76

784-5590

Shift Bracket Frame

1

37

713-0413

Spkt 10t #41 x .500

1

77

714-0151A

Klik Pin Assy Danuse

2

38

714-0101

Internal Cot-pin 1/2 Dia

4

78

738-0975

Axle 1.0 OD x 14.1 Lg

2

39

714-0104

Intern Cot-pin 5/16 Dia

1

79

734-1593

Cmp. Whl. Assy 16 x 6.5 Snohog

2

40

714-0115

Cotter Pin 1/8 Dia x 1

1

80

712-0116

Hex Jam Nut 3/8-24 Thd.

2

41

714-0388

#61 Hi-pro-key 3/16 x 5/8

1

81

750-1196

Spacer

1

42

715-0249

Spring Pin Roll 5/32

1

82

736-0639

Fl-Washer

1

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

23

Image 23
Contents OPERATOR’S Manual Copy the serial number here Finding Your Model NumberCalling Customer Support Copy the model number hereOperation Important Safe Operation PracticesTraining PreparationSafety Labels Found on Snow Thrower Maintenance and StorageAuger Shear Bolts SET-UP InstructionsShift Lever Adjustment See Figure Final AdjustmentsAuger and Traction Control Clutch Adjustment Skid Shoe Adjustment See FigureTraction CONTROL/AUGER Clutch Lock ControlsShift Lever Chute Directional ControlTo Start Engine OperationGAS and OIL FILL-UP Adjustments Lubrication Shave Plate and Skid Shoes MaintenanceBelt Removal and Replacement AugersDrive Belt Support Bracket Shaft OFF-SEASON StorageChanging the Friction Wheel SpacerTrouble Possible Causes Corrective Action Trouble Shooting GuideModel 193 6478 Model Model Model Model Model Model Model MANUFACTURER’S Limited Warranty for