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K

E

Y

N

O

.

11

4

1

15

116
117
118
119
119A
120

120A
12

1

1

22

122A
122B
123

1

24

128
129
132

133
134
135
136

1

37

138
1

39

140
141
142

143

1

44

14

4

A

145

146
147
147A
148

149
15

0

151

PA

R

T

N

O

.

650399

320

0

8

32904

650513

33495
34379
34378
34376

343n

27070

650

8

08

650

8

09

3438

7

32438
32154
34374

3

2730

34

65

1

33501
33502
3

3

503

7920

1

7

34

650

6

50

74

4

3

34

68

*2

9

6

7

3

28

534

32958

31m

33

9

8

1

33010

2

64

6

0

32ST7

692

0

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65

073

6

6

10902

65

0

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21

6

5078

1

6

10996

18 H.P. GA

R

DE

N

TRACTOR--MODEL

NUMBER 9

1

7

.

257120

CRAFTS

MAN 4

-CYCLE ENGINE

-

-MODEL NUMBER 143.700012

Screw,

Fil

.

hd. Se

m

s

, 10

-

32 x 5/8

Element,

Air cleaner

Cover, Air cleaner
Nut, Wing
Cover

,

Cylind

e

r

head

Spacer

,

Sc

r

een

Spacer, Screen

S

creen,

Blower

housing

IIncl

.

No.

12

OA

)

S

ea

l

.

G

u

ard

Was

h

er, Flat

Screw, Trus

s

hd

.,

1

/

4-28 x 1

-3

/4

Screw,

Tr

us

s

hd

.

, 1

/

4

-

2

8

x 2-9

/

16

Decal

.

Instruction

Nipple

,

Pipe

(

O

i

l d

rai

n)

Cap, N

i

pple

De

c

al

.

Instruction

De

c

al

.

Solid state

Weight

Assy

.

,

Co

unt

e

r

ba

l

ance

I

I

ncl

.

2 of No.

133)

B

earing, Needle

S

h

af

t,

Count

e

rb

a

lance

W

asher, T

h

rus

t

Rin

g, Retaining

T

u

be Extension,

O

il f

i

ll

Screw,

Fil

.

hd

.

Se

m

s

,

10

-

24 x 7

/

8

Tu

b

e Assy

.,

Oil

f

il

ler

Gas

k

et

,

Oil f

i

l

l t

u

be

Plug
Fitting

,

F

u

e

l

pump

Spr

i

ng,

Coil

Pump, Impulse

Fuel

Repair Kit, Impulse fuel pump

Clamp, Fuel line
Cover, Cylinder

(See

N

o

t

e 1)

Screw,

Hex hd

.

Sems

,

5

/

1

6-18 x 7

/

8

Sc

r

ew,

Pan hd.,

10-

16 x 3

/

8

Coi

l

Assy

.

,

A

l

t

e

r

n

a

tor

I

Incl

.

Nos

.

161, 162 & 1

62

A

)

Screw,

Fil

.

hd. Sems

,

10

-

32 x 1c1

/

8

Screw,

Hex hd.

Sems

,

5

/

16-18 x

11/16

Rectifie

r

,

Regulator

(

20 Amp

) I

Incl

.

Nos

.

1

5

2 thru

15

40)

K

E

Y

N

O

.

152

1

53

15

4

154A
154B
154C
1540

155

156

157

158

159
160
160A
161
162
162A

166

1

67

1

69

170

171

1n

173

PART

N

O

.

610990
610

9

21

610

92

2

6

1

0989

610992
610991

3068

8

*31971

*319n

32031

6

1

0

1

1

8

610750
610408
610908
610903
610905
610904

30962

29n4
2n93

289

42

6321

59

3

38

35

335160

Connector,

M

ale

Connector

Terminal
Terminal
Terminal

.

Female

Termina

l

.

Female

Screw,

Hex hd. Sems, 1

/

4

-

20 x 1

/

2

Gasket,

Shim 1

.

004

/.

005 thick,

see

note 1)
Gasket,

Shim 1

.

005

/ .

007 thick,

see

no

t

e 1)

Spacer,

Steel 1

.

010 thick,

see note

1

)

Cover

,

Spark plug

Gr

o

mmet

,

Lead wire

N

u

t, Hex 10

-

32

Termin

al

.

Female

Conne

c

t

o

r

,

Flat

Terminal
Terminal

Line, Fuel
Line, Fuel
Clip, Conduit
Screw

,

Hex

washer

hd.

Sems,

10

-

32 x 3

/

8

Carburetor

IIncl

.

No

.

54)

Motor

,

Starter

Gasket Set IIncl

.

items marked

*)

*

I

n

dica

t

e

s

P

a

rts I

nc

luded

i

n

G

a

s

ket

Set,

K

e

y No

. 1

73

.

Note

1

:

Determine

the

gap

be-

tween the cover and the machined
surfac

e

on the cylinder,

which

can

be from .001

"

up to

.

007

"

, in which

case no shim

gaskets

will

be re-

qui

r

ed

.

Use of

gaskets

must

be

limited

to a combined

total of .010"

thick.

Steel spacers mu

s

t be used

as required to eliminate

crankshaft

end play.

another 

free 

manual 

from 

www.searstractormanuals.com

Summary of Contents for 917.257120

Page 1: ...S MANUAL MODEL NO 917 257120 Caution Read Rules for Safe Operation and Instruction s Carefully GT18 GARDEN TRACTOR Assembly Installation Operation Repairs Parts _ another free manual from www searstra...

Page 2: ...tractor Clutch Brake Pedal is depressed and Attachment Clutch Pedal is in OFF position ALL GEAR TRANSMISSION six speeds forward two reverse speeds to let you select the proper match for the terrain a...

Page 3: ...Mow up and down the face of slopes not greater than 15 never across the face 15 Reduce speed on slopes and make turns gradually to pre vent tipping or loss of control Exercise extreme caution when cha...

Page 4: ...Clamp two Wing Nuts two Battery Bolts Q Jm four Flat Washers two Hex Bolts and two Hex Nuts found in Bag of Parts a Push down and slightly spread rear sides of Hood to re lease Hood Latches Lift Hood...

Page 5: ...SPRING INITIAL SERVICE NOTE BE CAREFUL NOT TO ALLOW DIRT TO ENTER THE ENGINE WHEN CHECKING OR ADDING 01 L OR FUEL 1 Check Engine Oil Level with Tractor on level ground Wipe dipstick Fig 8 clean screw...

Page 6: ...13 7 Pull Choke out Fig 13 8 Turn Ignition Key to START position until Engine starts Fig 13 Release key into ON position NOTE DO NOT RUN STARTER CONTINUOUSLY FOR MORE THAN THIRTY SECONDS AT A TIME If...

Page 7: ...lowing is necessary move Throttle Control to middle position b If stopping is necessary push Clutch Brake Pedal quick ly to brake position to prevent rolling c Lock Parking Brake and shift to lowest s...

Page 8: ...SING CLUTCH BRAKE PEDAL NOTE FOR LONGER V BELT LIFE ALWAYS KEEP BELT TENSIONED PROPERLY START TRACTOR MOVEMENT WITH THROTTLE CONTROL IN MID DLE POSITION AND ALWAYS REPLACE WITH SIMP SONS SEARS V BELTS...

Page 9: ...Spring and reposition Cap b Front Axle Pivot Fig 19 EVERY HOURS EVERY 15 HOURS IF OPERATING IN VERY DUSTY CONDITIONS 1 CLEAN AIR FILTER FOAM PRE CLEANER a Unscrew Wing Nut Fig 20 to remove Air Filter...

Page 10: ...f damaged EVERY TI HOURS 1 REPLACE SPARK PLUG At the beginning of each season or every 100 hours of operation which o ver comes first Gap at 030 Fig 24 2 LUBRICATE BALL JOINTS a Move Rubber Boots to e...

Page 11: ...justment is necessary a Loosen Parking Brake Hex Nuts Second and First Fig 28 b Place Parking Brake Lever in locked position c Hold Clutch Brake Pedal in brake position and tighten First Hex Nut fing...

Page 12: ...use the Battery to leak power and hinders the operation of the charger a Remove the Battery from the Tractor and wash with r four tablespoons of baking soda to one gallon of water NOTE BE CAREFUL NOT...

Page 13: ...Pedal to OFF position Fig 10 Fill Tank with Gasoline check Fuel Line Fuel Filter and Carburetor clean if necessary Check for fault and replace Fuse Recharge or replace Battery Push Choke in place Thro...

Page 14: ...26 96 91 96 97 91 c 86 c 3 86 rIll 93 lIJJ 93 1941132195195 99195192 JJ 74c 98 96 0 96 86 96 6 I 97 93 J 97 197 HH U v W y Z AA BB CC DO EE FF 1115 1 02 951 104 1 06 II 06if 110 120 9a 1 2 85 g111 121...

Page 15: ...20 UNC 33 50P Sq Neck Carriage Bolt 3 8 16 x 2 1 4 102 STD533107 Carriage Bolt 5 16 18 x 3 4 34 1545P Washer 17 32 x 1 x 16 Ga 104 5557P Hex Washer Hd Tapping Screw 35 STD561210 Cotter Pin 1 8 x 1 1...

Page 16: ...58 59Y60 60 63 55 3 I I 64 I 65 rr n 53 61 61 CllJ 66 49 I1 62 M N P Q R I 7 i46 ill 74 Y56 IT T 2 3 I 57 7 53 53 75 C l 76 77 u r 78 A 8 i Y 47 lHJ 49 5 6 c 7 8 c 7 S T 179 TI 83 65 57 rrI1 66 anoth...

Page 17: ...r 9 32 x 5 8 x 16 Ga 19 6477H Range Shift Rod 65 STD551125 Lockwasher 1 4 20 9594R Bracket Transaxle 66 STD541025 Hex Nut 1 4 20 UNC 21 8674R Seat Stop 70 STD533107 Short Shoulder Sq Neck Carriage 22...

Page 18: ...REPAIR PARTS 18 H P GARDEN TRAC BRAKE AND CLUTCH TOR MODEL NUMBER 917 257120 66 ern 67 another free manual from www searstractormanuals com...

Page 19: ...ex Bolt 3 8 24 x 1 18 175H Roll Pin 53 STD551037 Washer 13 32 x 13 16 x 16 Ga 19 634A887 Lock Bracket Assembly 54 STD541337 Hex Jam Nut 3 8 24 UNF 20 2221R Spacer 55 5142H Roll Pin 21 5999H Spring Was...

Page 20: ...ATE IGNITION CHARGING COIL HEADLIGHT FUSE 15 AMP POSITION CIRCUIT OFF M G ON B L START B S 1 LIFT M MOTOR ACCESSORY UP DOWN SWITCH CHASSIS GROUND If Insulated Clips and Cable Ties were removed for rew...

Page 21: ...60 28 2212R Fuse 15 Amp 61 29 6347R Fuse 30 Amp 62 30 2753R Battery Cable Ground 63 32 7552H Key Set 33 4406R Ignition Switch Inc Key No 32 19 PART NO 8657R 3055J 1583P 9698R 8984R 566P 7319R 1518P 93...

Page 22: ...TRANSAXLE NO 6 X GARDEN TRACTOR MODE L NUMBER 917 257120 7 another free manual from www searstractormanuals com...

Page 23: ...g 73 4201 R Low Speed Pinion 26 6216H Shift Fork Shaft 74 5001P E Ring 27 6262H Shift Fork R H 75 1153R Reverse Idler Gear 28 6215H Shift Shaft High Low Range 76 7392H Reverse Idler Thrust Washer 29 6...

Page 24: ...26 6856M Grease Fitting 1 4 28 Taper Thrd 15 8515R Tie Rod Joint R H Thread 27 795R Tire Valve 16 STD541350 Hex Jam Nut 1 2 20 R H Thread 28 9541R Front Wheel 17 634A819 Tie Rod and Nuts Inc Key No s...

Page 25: ...2096 28 632155 Carburetor Shaft Lever Assy Throttle Oncl No 21 Screw Pan hd 4 40 x 3 16 Shutter Throttle Shaft Lever Assy Choke Oncl No 21 Spring Choke stop Screw Throttle adjusting Needle Idle adjust...

Page 26: ...REPAIR PARTS 18 H P GARDEN TRACTOR CRAFTSMAN 4 CYCLE ENG I DEL NUMBER 917 257120 MODEL NUMBER 143 700012 161 79 162 148162A 149 another free manual from www searstractormanuals com...

Page 27: ...der head Head Cylinder Resistor Spark Plug Canadian Regulations require RN 4 resistor spark plug Washer Belleville Washer Flat Screw Hex hd 5 16 18 x 1 3 4 Screw Hex hd 5 16 18 x 1 3 8 Gasket Intake p...

Page 28: ...ARTS 18 H P GARDEN TRACTOR MODEL NUMBER 917 257120 CRAFTSMAN 4 CYCLE ENGINE MODEL NUMBER 143 700012 154A 0 1540 154 1ft 151 153 159 161 79 162 14S162A 149 another free manual from www searstractormanu...

Page 29: ...er See Note 1 Screw Hex hd Sems 5 16 18 x 7 8 Screw Pan hd 10 16 x 3 8 Coil Assy Alternator IIncl Nos 161 162 162A Screw Fil hd Sems 10 32 x 1c1 8 Screw Hex hd Sems 5 16 18 x 11 16 Rectifier Regulator...

Page 30: ...Retainer 3 33843 Retainer Spring 4 33854 Spring Anti drift 5 33844 Gear 6 33433 Nut Engaging 7 33450 Nut Lock 8 33845 Cap Assy Drive end 9 33846 Armature 10 33847 Housing _ _ l__ 3 C anLAss y Brush II...

Page 31: ...SERVICE NOTES r 3050J 19 2 80 Rev 2 Printed in U S A another free manual from www searstractormanuals com...

Page 32: ...parts listed herein may be ordered from any SEARS ROE BUCK AND CO retail or catalog store WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOllOWING INFORMATION HoWTooRDER REPAIR PARTS THE PART NUMBER THE...

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