MTD manual Model H660G, 721-0325, 618-0122A

Model H660G

REF.	PART		REF.	PART
NO.	NO.	DESCRIPTION	NO.	NO.	DESCRIPTION
1	710-1652	Self-tapping Screw, 1/4-20 x.625	27	684-0042C	Friction Wheel Assembly
2	784-5688	Drive Cable Guide Bracket	28	656-0012A	Friction Disc Wheel
3	784-5687A	Auger Clutch Cable Bracket	29	684-0013B	Wheel Shift Rod Assembly
4	756-0625	Cable Roller	30	710-0599	Self-tapping Screw, 1/4-20 x.5
5	738-0924	Hex Screw 1/4-28	31	748-0190	Spacer
6	784-5630B	Frame Assembly	32	684-0021	Friction Wheel Bracket Assembly
7	741-0563	Ball Bearing	33	732-0264	Extension Spring
8	736-0105	Bell Washer	34	712-0711	Jam Nut 3/8-24
9	712-0116	Lock Jam Nut	35	746-0898B	Drive Cable
10	741-04026	Hex Flange Bearing	36	738-0830	Axle 16” Wheels
11	736-0188	Flat Washer†	37	790-00010	Friction Plate
12	784-5689A	Front Support Guide Bracket	38	735-0243B	Friction Wheel Rubber
13	710-0538	Lock Hex Screw	39	718-0301A	Friction Wheel Hub
14	736-0242	Bell Washer.340 ID x.872 OD	40	618-0063A	Friction Wheel Bearing Assembly
15	714-0474	Cotter Pin	41	711-1364	Clevis Pin, 1/4 x 1.3725
16	736-0160	Flat Washer.536 ID x.930 OD	42	736-0142	Flat Washer,.281 x.5 x.063
17	710-0809	Self-tapping Screw, 1/4-20 x 1.25	43	714-0507	Cotter Pin,.75
18	784-5590	Frame Shift Bracket	44	712-0703A	Insert Nut, 5/16-18
19	784-5638A	Frame Cover	45	790-00011	Friction Plate
20	716-0102	Snap Ring	46	734-1712A	Wheel Assembly Comp. 16 x 6.5
21	736-0351	Flat Washer.760 ID x.50 OD	47	731-04043	Spacer
22	717-1445	80 Tooth Gear	48	734-1525	Tire Only
23	714-0126	Key		723-0430	Tire Chain (Not Shown)
24	717-04094	7-Tooth Shaft	49	734-0255	Air Valve
25	715-0249	Roll Pin	50	734-1711A	Rim Only
26	714-0143	Klik Pin	51	741-0401	Sleeve Bearing

† Use more than one washer on either side, only if necessary to reduce axle-play.

		4			17
			11
			9
			16
			13				8
		1					15
			5		14		10
					6
			7				3
		12			2	3
REF.	PART			REF.	PART
NO.	NO.	DESCRIPTION		NO.	NO.			DESCRIPTION
1	618-0123	RH Reducer Housing		10	721-0325			Grease Plug
2	618-0124	LH Reducer Housing		11	721-0327			Grease Seal
3	710-0642	Hex Screw 1/4-20 x.75		12	736-0351			Flat Washer.76 x 1.5 x.030
4	711-0910A	Spiral Axle 28"		13	736-0369			Flat Washer.508 x 1.0 x.020
5	714-0161	Key		14	736-0445			Flat Washer.76 x 1.5 x.060
6	715-0143	Spiral Pin		15	741-0662			Flange Bearing.75 x 1.0 x.59
7	717-0528	Worm Gear, 20T		16	741-0663			Flange Bearing.75 x 1.0 x.925
8	717-0526	Worm Shaft		17	618-0122A			Gearbox Ass’y. Complete 28"
9	718-0186	Thrust Collar

NOTE: When rebuilding a gearbox assembly, include 1.5 oz. of Alvania EP Lead-Free Grease (Part No. 737-0168)

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