Sears 917.38783 - Manual (Page 19)

CRAFTSMAN 4-CYCLE ENGINE
MODEL NUMBER 143.974506
KEY PART
NO. NO.
1 36774
2 26727
6 33734
7 36557
12 36775
12A 36558
12B 36694
14 28277
15 30589
16 34839A
17 31335
18 651018
19 36281
20 32600
30 36793
40 40004
40 40005
41 36070
41 36071
42 40006
42 40007
43 20381
45 36777
46 3261OA
48 27241
SO 36778
52
29914
69 35261
70 3431 ID
72 36083
75 27897
80 30574A
81 30590A
82 30591
83 30588A
86 650488
89 611004
90 611112
92 650815
93 650816
100 34443A
101 610118
103 651007
110 34961
119 36787
120 36788
125 36779
125 36780
126 36781
126 36782
130 6021A
135 35395
150 35991
151 31673
151A 40017
169 36783
172 36784
174 30200
178 29752
182 6201
DESCRIPTION
Cylinder (incl. 2 & 20)
Dowel Pin
Breather Element
Breather
Ass’y. (Incl. 6 & 12 A)
Breather Tube
Breather Cover & Tube {Incl. 12B)
Breather Tube Elbow
Washer
Governor Rod (Incl. 14)
Governor Lever
Governor Lever Clamp
Screw, TorxT"15, 8-32 x 19/64"
Extension Spring
Oil Seal
Crankshaft
Piston, Pin & Ring Set (Std.)
Piston, Pin & Ring Set (.010" OS)
Piston & Pin Ass’y. (Std,) (Inci. 43)
Piston & Pin Ass’y.
{.010" OS) {Inci., 43)
Ring Set (Std.)
Ring Set (. 010" OS)
Piston Pin Retaining Ring
Connecting Rod Ass'y. (Incl. 46)
Connecting Rod Bolt
Valve Lifter
Camshaft (MCR)
Oil Pump Ass’y.
' Mounting Flange Gasket
Mounting Flange (Incl. 72 thru 83)
Oil Drain Plug
Oil Seal
Governor Shaft
Washer
Governor Gear Ass'y. (Incl. 81)
Governor Spool
Screw, 1/4-20x1-1/4"
Flywheel Key
Flywheel
Bellevilie Washer
Flywheel Nut
Solid State Ignition
Spark Plug Cover
Screw, Torx T-15,10-24 x 15/16“
Ground Wire
*■ Cylinder Head Gasket
Cylinder Head
Exhaust Vaive (Std,) (Incl. 151)
Exhaust Valve
(1/32" OS) (incl. 151)
Intake Valve (Std.) (incl. 151)
Intake Vaive (1/32" OS) (Incl. 151)
Screw, 5/16-18x1-1/2"
Resistor Spark Plug (RJ19LM)
Vaive Spring
Valve Spring Cap
Intake Valve Seal
* Valve Cover Gasket
Vaive Cover
Screw. 10-24x9/16"
Nut & Lock Washer, 1/4-28
Screw, 1/4-28 x 7/8“
KEY PART
NO. NO. DESCRIPTION
184 26756 * Carburetor To Intake Pipe Gasket
185 36785 Intake Pipe
186 87-138 Governor Link
189 650839 Screw, 1/4-20
X
3/8"
191 36559 S..E. Brake Bracket (Incl. 195)
195 610973 Terminal
207 34336 Throttle Link
209 30200 Screw, 10-24
X
9/16"
215 32410 Control Knob
216 33086 R.P.M. Adjusting Lever
223 650451 Screw, 1/4-20
X
1"
224 36786 * Intake Pipe Gasket
238 650932 Screw, 10-32x49/64"
239 34338 * Air Cleaner Gasket
241 35797 Air Cleaner Collar
245 35066 Air Cleaner Filter
250 35065 Air Cleaner Cover
260 36980 Blower Housing
261 30200 Screw, 10-24
X
9/16"
262 650831 Screw, 1/4-20 x 1/2"
275 36790 Muffler (Incl. 277)
277 650988 Screw, 1/4-20
X
2-5/16"
285 35000A Starter Cup
287 650926 Screw, 8-32
X
21/64“
290 29774 Fuel Line
292 26460 Fuel Line Clamp
298 28763 Screw, 10-32
X
35/64"
300 36916 Fuel Tank (Incl , 292 & 301)
301 36246 Fuel Cap
305 35647 Oil Fill Tube
306 36832 * "0"-Ring
307 35499 "0’’-Ring
309 650562 Screw, 10-32
X
1/2"
310 35648 Dipstick
313 34080 Spacer
370A 36261 Lubrication Decal
370C 36861 Primer Decal
370K 36695 Starter Decal
380 640026 Carburetor (inci. 184)
390 590694 Rewind Starter
400 36792 Gasket Set
(incl. Items Marked * in Notes)
416 36085 Spark Arrestor Kit
(Incl. 417)(Optionai)
417 650760 Screw, 8-32 x 3/8" (Optional)
900
—
Replacement Engine NONE
900
“—'
Replacement S/B 750796,
order from 71-999
— — RPM High 2900 to 3200
— —
RPM Low 2450 to 2750
(NOTE; This engine could have been built with 590737
starter. Refer to the design of the rope pulley strength
ribs for part identification Individual starter parts do not
interchange)
Incl- Part #’s 26756 (1).28833 (1). 36832 (1), 34338 (1),
35261 (1), 36783 (1), 36786 (1), 36787 (1)
NOTE: Ail component dimensions given in U.S. inches
1 inch = 25.4 mm
19