Model 993 – MTD 770-10278 993 User Manual
Page 19
19
Model 993
Ref.
No.
Part No.
Description
Qty.
1
736-0159
Flat Washer .344 ID x .875 OD
7
2
710-3015
Truss. Hd. Mach. Scr. 1/4-20 x .75
6
4
736-0105
Belleville washer
6
6
731-0903D
6” Lower Chute Remote Tilt
1
8
784-5711
Chute Bracket
1
15
784-5123
Chute Bracket
1
16
731-1696
Chute Adapter
1
17
736-0242
Bell. Washer .345 ID x .88 OD x .06
15
19
712-3027
Hex Cent. L-Nut 1/4-20 w/ Flange
6
20
731-0851A
Chute Flange Keeper
3
23
710-0601
Hex Wash HD Self-Tap Scr 5/16-18 x
.75
9
26
710-0371
Hex Screw 5/16-18 x .75
1
28
756-0243
1/2” V-Pulley .875 ID x 10.12 OD
1
29
714-0126
#9 Hi-Pro Key 3/16 x 3/4 Dia HT
1
30
741-0185
Self-Aligning Bearing .875 ID
1
31
712-3010
Hex Nut 5/16-18 GD. 5
12
32
736-0119
L-Wash 5/16 ID
7
33
05244A
Bearing Housing
2
34
711-0640
Belt Keeper Studs 3/8-16 x 2.75
5
38
710-0451
Carriage Bolt 5/16-18 x .75
16
45
684-0093A
33” Snowthrower Hsg. Ass’y 1
46
784-5714
Shave Plate 33”
1
52
710-3168
Carriage Bolt 3/8-16 x 1.00 Gr. 5
2
53
710-0389
Carriage Bolt 3/8-16 x .75” Lg.
4
54
784-5710
Gear Housing Support Plate 1 x 3/16 1
56
712-0798
Hex Jam Nut 3/8-16
6
58
715-0118
Spring Spiral Pin Heavy 5/16 dia x 1.7 2
59
684-0090
Blower Fan Ass’y Complete
1
60
784-5076
Gear housing Support Bracket 1 x
3/16
1
61
721-0325
Barbed Plug
1
63
738-0491
Spiral Axle -33”
1
64
721-0146
Oil Seal 1.50 ID Garlock (76 x 6223)
2
65
719-0348
Gear Housing Half - RH
1
67
714-0126
#9 Hi-Pro Key 3/16 x 3/4 dia HT
1
68
711-1133
Auger Control Shaft
1
69
716-0111
Snap Ring for .875 dia. shaft
1
70
721-0145
Oil Seal for .875 ID (76 x 6133)
1
71
741-0217
Sleeve Bearing .875 ID
2
72
741-0184
Thrust Bearing .88 ID x 1.44 OD x
.078
1
73
736-0291
Flat Washer .88 ID x 1.4 OD x .125
3
74
717-0299
Worm Gear LH Double Thread
1
75
741-0670
Flange Brg. 1.5 ID x 1.75 OD x .80
2
76
736-0266
Flat Washer 1.5 ID x 2.0 OD x .03
2
77
717-1425
Worm Gear LH Double Thread
(Bronze)
1
78
738-0275
Worm Gear Shaft
1
79
714-0135
#91 Woodruff Key 1/4 x 3/4 dia
1
80
719-0349
Gear Housing Half LH
1
81
710-1260A
Hex Flange Scr. 5/16-18 x .75
7
82
712-0429
Hex Ins. L-Nut 5/16-18
12
83
714-0135
#91 Woodruff Key 1/4 x 3/4 dia
1
84
736-0250
Flat Washer
4
85
741-0494
Flange Bearing
4
87
710-0891
Shear Bolt 5/16-18 x 1.75
2
90
05845B
Housing bearing 1.5 Dbl D
2
91
741-0192
Flange Bearing w/flats
2
94
754-0222
V-Belt 1/2 x 44 LG
1
96
618-0257
Worm Gear Box Ass’y
1
98
784-5697
Reversible Skid Shoe
2
100
705-5210A
RH Spiral Ass’y Serrated - 33”
1
705-5211A
LH Spiral Ass’y Serrated - 33”
1
101
710-0528
Hex Scr 5/16-18 x 1.25
1
102
736-0271
5/16 Sprg Wash
1
103
736-0169
3/8 Sprg Lock Wash
5
104
618-0281
Brkt Ass’y Brkt
1
105
710-0459A
Scr Hex Cap 3/8-24 x 1.5 GRD 5
1
106
711-0677
Adjustment Ferrule
1
107
712-0116
Hex Ins L-Nut 3/8-24
1
108
714-0104
Intern Cot-Pin 5/16 dia
1
109
732-0858
Spr Extn .470 dia x 4.75 Lg
1
110
736-0174
Wave Washer .66 ID x .88 OD
2
111
736-3008
Fl-Wash SAE .34 x .68
1
112
738-0281
Shld Scr .625 dia x .170 x .062
2
113
747-0980
Rod Idler Auger
1
114
756-0240
3.0 OD Flat Idler with Flanges
1
115
784-0385
Brkt Idlr Auger
1
116
741-0475
Plastic Bushing .380 ID
1
Ref.
No.
Part No.
Description
Qty.
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