Exmark 4500-451 manual Engine Group

ENGINE GROUP

Item	Part No.	Description	Qty.
1	104-8300	Nut, Nyloc 5/16-18 Flg	1
2	5-7280	Key, Machine 1/4 SQ x 1	1
3	109-3386	Sheave	1
4	104-3334	Clutch, Electric (42”)	1
	110-6766	Clutch, Electric (48” & 52”)	1
5	109-8851	Asm, Muffler W/Gaskets	1
5:1	104-3226	Gasket	2
6	109-8855-03	Anchor, Clutch	1
7	322-10	Screw, HH 5/16-18 x 2	1
8	1-603610	Washer, Spring Disc 7/16	2
9X	3212-11	Screw, HH 7/16-20 x 2 3/4	1
10	109-9162	Asm, Idler Arm W/Bearings	1
10:1	302-40	Zerk, 90° 1/4-28	1

Item	Part No.	Description	Qty.
10:2	1-513034	Sleeve, Bearing	2
11	109-3397	Pulley, Flat Idler 3.50 Dia	2
12	1-603384	Bushing, Pivot Idler	1
13	3231-11	Bolt, Carriage 3/8-16 x 3 1/2	1
14	3256-4	Washer, 3/8 Std	1
15	3231-5	Bolt, Carriage 3/8-16 x 1 3/4	2
16	104-8301	Nut, Nyloc 3/8-16 Flg	3
17	1-603402	Spring	1
18W	1-403124	Elbow, 90°	1
19	115-9613	Belt	1
20	1-303334	Washer, Spring Disc 5/16	1
21X	32144-109	Screw, HWH 3/8-16 x 1 1/4 Taptite	3
22W	281-2	Plug, Pipe	1

Exmark black touch up spray paint – gloss black.

WUse a Teflon Pipe Sealant or equivalent on threads.

XUse Pro-Lock, Nut Type (P/N 1-840022, .5ml tube) on clutch bolt and self-tapping engine mounting bolts.

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