Sears 917.251551 manual Tractor -=MODEL Number, KEY Part

REPAUR PARTS

TRACTOR -=MODEL NUMBER 917.251551

MOWER DECK

KEY PART

NO. NO.

1 136457

2STD541431

3721'10506

47631J

5138457

64939M

7130832

8850857

9STD55!137

10140296

1t 137380

12129895

13137553

14137152

15110485X

16140329

I7 106735X

18 19111016

19 I05304X

20123713X

21137607

22110452X

23110509X

2413632O

25 191'11216

27 STD551037

28 132823

30 138776

31 137266

32 153535

33 129963

34 72140610

35 72110616

36 72110608

37 137166

38 137554

DESCRIPTION

Mower Housing

Nut, Crownlock 5/16-18 Bolt, Carriage 5/16-18 x 3/4 Runner, Mower LH Bracket Asm., Sway Bar Retainer, Spring

Arm Suspension, Rear

Bolt 3/8-24 x 1.25 Gr. 8 Patched Washer, Lock Hvy 3/8 Unplated Washer, Hard Blade Mower Vented Blade

Bearing, Ball #6204 (Mandrel) Shaft Asm., W/Lower Brg (Includes

Key No. 12) Housing, Mandrel Bearing, Ball Mandrel Stripper, Mower Vented Rod, Hinge

Washer 11/32 x 5/8 x 16 Ga.

Cap, Sleeve

Spring, Torsion Deflector Bracket, Deflector

Nut, Push

Shield, Deflector Mower Runner, RH

Washer 11/32 x 3/4 x 16 Ga. Washer 13/32 x t3/16 x 16 Ga.

Spacer, Spring Stop Idler Screw Thdrol Hex Hd

Nut, Flg Top Lock Cntr 9/16 Pulley, Mandrel

Washer, Spacer Mower Vented Bolt, Carriage 3/8-16 x 1-t/4 Bolt, Carriage 3/8-16 x 2 Bolt, Carriage 3/8-16 x I Gro 5 Stiffener, Arm Idler

Keeper, Belt idler

KEY	PART
NO.	NO.	DESCRIPTION
39	131494	Pulley,		Idler Flat
40	136572	Pulley,		Driven
42	72140506	Bolt,	Carriage			5/16-18	Unc x 3/4
43	136460	Arm, Idler Secondary
44	122052X	Spacer,		Retainer
45	STD541437	Nut,	Crownlock			3/8-16	Unc
46	74760628	Bolt,	Fin Hex		3/8-16 Unc x 1-3/4
47	137200	Cover,		Mandrel		RH
48	137729	Screw,		Thd Roll 1/4-20			x 5/8
49	136574	Cover,		Mandrel		LH
50	137272	Arm,	Idler Primary
51	137273	Spring,		Secondary
52	'139245	Pulley,		Idler V Groove
53	137789	Shield,		Idler
54	139573	V-Belt, Mower Primary
55	144959	V-Belt, Mower Secondary
56	138687	Spring,		Primary
57	136577	Bar Asm., Wheel Gauge
58	133957	Wheel,		Gauge
59	137644	Bolt,	Shoulder
60	139031	Pin, Clevis
6t	136573	Bracket, Wheel				Gauge
62	133943	Washer		Hardened
63	72110612	Bolt	Carriage		3/8-16 x 1-1/2
64	19121414	Washer		3/8 x 3/4 x 14Ga
65	151831	Pulley		Idler Flat
66	139622	Keeper		Belt	idler
67	73930600	Nut, Centerlock				3/8-16
99	72110614	Bolt, Carriage				3/8-16 x 1-3/4 Gro5
102	153390	Washer		Felt
--	143651	Mandrel Asm Service (Includes Key
	141051	Nos. 8-10, 12-15, 3t and 33)
		Mower		Asm.. Service (Stdo Deck-
		Order all gauge wheel components
		separately)

NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm

47