CRAFTSMAN
ROTARY
LAWN
MOWER
° o MODEL
NUMBER
917.378931
co
KEY
NO.
1
2
3
4
5
6
7
8
9
lO
11
12
13
14
15
16
17
18
19
2o
21
22
23
24
25
26
28
31
PART
NO.
185685
169911
175262
185681
169778
188952X428
751152
77400
145212
188331
180773
12000058
188330
189403
184172
67725
188152
701037
175104
188291
175098
175105
175103
175102
188102
173715
191890X428
132010
KEY
PART
DESCRIPTION
NO.
NO,
DESCRIPTION
Vari-Speed Drive Centre! Assembly
32
189406
Pulley, Drive
Bearing, Wheel Adjuster
35
180915
Kit, Wheel Adjuster, LH
Pan Head Tapping Screw #10-24 x 2_3/4
(Includes Knob and Bearing)
Screw
36
187212
Gear Case Assembly, Complete
WBelt
38
73800400
Locknut 1/4-20
Bar, Control, Drive
40
182226
Spring
Nut, Hex
41
180914
Kit, Wheel Adjuster, RH
Hubcap
(Includes Knob and Bearing)
Hex Flange Locknut
54
188814
Grassbag
Pinion Assembly, LH
55
175739
Driveshaft Cover
Wheel & Tire Assembly
57
188815
Frame, Grassbag
E-Ring
61
187525
*
Case, Lower
Pinion Assembly, RH
62
187526
*
Case, Upper
Dust Cover
63
183499
Gear, 27 Teeth
Seal, Friction
66
187527
Shaft, Input
Washer, Flat 1/2
67
187528
Spacer
O-Ring
69
183505
Wire, Formed
Selector Knob
70
183506
Bearing, Ball
Disc, Drive
72
183508
Seal, Output Shaft
Torsion Spring
73
183509
Washer
Pawl
75
183511
Bushing
Retainer, Drive, LH
76
187529
Shaft, Output
Gear, Pinion
77
183513
Screw
Retainer, Drive, RH
78
183514
Seal, Input Shaft
Belt Keeper
Screw
* Use Dew Coming #709 to reseal Gear Case Halves.
Drive Cover
Hex Flange Nut
NOTE: All component dimensions given in U.S. inches.
1 inch = 25.4 mm