Craftsman 3One 917.257562 Owner's Manual page 52

REPAIR PARTS
18 HP 42" TRACTOR - - MODEL NUMBER 917.257562
BRIGGS & STRATTON ENGINE - MODEL NUMBER 422707, TYPE NUMBER 1527-01
KEY PART KEY PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION
1 494533 Cylinder Assembly 51
2 491756 Bearing, Cylinder 51A
3 391086 *Seal, Oil 52
5-1 493457 Head, Cylinder Number 1 53
5-2 493458 Head, Cylinder Number2 54
7-1 271867 * Gasket, Cylinder Head Number t
7-2 271868 * Gasket, Cylinder Head Number2 75
8-1 495754 Breather Assembly Number I 78
8-2 222892 Cover, Breather, Cylinder Number 90
2 (Use with Key Number 572, 9t
Air Baffle with Mounting Holes) 93
9 27803 * Gasket, Valve Cover 94
10 94830 Screw, Sems 95
11 280225 Tube, Breather
12 271703 * Gasket, Crankcase Cover, 1/64" 96
271188 * Gasket, Crankcase Cover, .005" 97
271189 * Gasket, Crankcase Cover, 009" 98
13 94565 Screw, Cylinder Head 99
15 94239 Plug, Oil Drain 102
15A 94497 Plug, Pipe 103
16 394028 Crankshaft 104
94196 Key, Timing Gear 105
18 493304 Base Assembly, Crankcase 107
20 291675 * Seal, Oil 108
21 399195 Seal Assembly, Cylinder Plug 109
22 94724 Screw, Sems, 116
Crankcase Cover Mounting 117
23 491180 Flywheet and Ring Gear Assembly, 119
Magneto 121
24 222698 Key, Rywheel 127
25 394955 Piston Assembly, Standard Size 161
394956 Piston Assembly, .010" Oversize 165
394957 Piston Assembly, _020"Oversize 187
394958 Pision Assembly, .030" Oversize 188
26 394959 Ring Set, Piston, Standard Size 201
394960 Ring Set, Piston, ..010"Oversize 202
394961 Ring Set, Piston, °020" Oversize 203
394962 Ring Set, Piston, .030" Oversize 203A
27 260924 Lock, Piston Pin 205
28 299691 Pin Assy_, Piston, Standard Size 206
391286 Pin Assy.., Piston .005" Oversize 207
29 394306 Rod Assembly, Connecting 209
397158 Rod Assembfy, Connecting, 209A
,020" Undersize Crankpin Bore 216
32 94671 Screw, Connecting Rod 219
33 390420 Valve, Exhaust 219A
34 261528 Valve, Intake 220
Uses: 393606 Seal Assembly and
Retainer (Key Number 868)
35 65906 Spring, Intake Valve
36 26828 Spring, Exhaust Valve
40 221596 Retainer, Intake Valve
41 292260 Rotocoil, Exhaust Valve
42 93630 Retainer, Exhaust Valve Rotocoil(2)
45 261368 Tappet, Valve
46 213421 Gear, Cam
50 213290 Manifold, Intake
271412
281411
270884
93970
93208
222511
94834
495181
495035
2312O9
491538
93499
221939
392672
91920
26157
271607
298514
230896
394683
491543
223534
392673
280474
231338
94152
491539
223472
496599
94289
299146
93535
262683
262684
280997
490207
93971
94298
262337
262352
261563
262375
393415
394348
222773
*** Gasket, Carburetor & Intake Elbow
Spacer, Carburetor
* Gasket, Intake Manifold Mounting
Screw, Sems, Carburetor Mounting
Screw, Seres,
Intake Manifold Mounting
Washer, Spring
Screw, Seres
Carburetor Assembly
Body Assembly, Upper Carburetor
Bushing, Throttle Shaft
** Valve Assembly, Carburetor Idle
Screw, Sems,
Throttle and Choke Valve Mounting
Valve, Throttle
Shaft and Lever, Throttle
Screw, Machine, Fillister Head
Spring, Throttle Adjustment
** Gasket, Carburetor Body
Float, Carburetor
***Pin, Float Hinge
* Valve, Fuel Inlet
Body, Lower Carburetor
Valve, Choke
Shaft and Lever, Choke
O-Ring
Jet, Needle Valve
Screw, Seres, Hex Head
Carburetor Overhaul Kit
Plug, Welch
Body, Air Cleaner
Nut, Wang
Line, Fuel, 28" (Cut to Suit)
Screw, Hex Head
Link, Governor
Link, Throttle
Crank, Bell
Crank, Bell
Screw, Shoulder
Nut, Square
Spring, Compression
Spring, Governor
Spring, Governor Idle
Unk
Oil Slinger Assembly
Gear, Governor
Washer, Thrust
* Included in Gasket Set (495868)
** _ncluded in Carburetor Overhaul Kit (491539)
*** included in both Gasket Set (495868), and
Carburetor Overhaul Kit (491539)
NOTE: AIt component dimensions given in U_S. inches
1 inch = 2&4 mm
52