MTD 663 manual Models 643

Models 643 & 663

Ref.	Part No.	Part Description	Ref.	Part No.	Part Description
No.			No.
1.	710-0599	Hex Screw	25.	715-0249	Roll Pin
2.	784-5688	Drive Cable Guide Bracket	26.	714-0143	Klik Pin
3.	784-5687A	Auger Clutch Cable Bracket	27.	684-0042C	Friction Wheel Assembly
4.	756-0625	Roller Cable	28.	656-0012A	Friction Disc Wheel
5.	738-0924	Hex Screw 1/4-28	29.	684-0013B	Wheel Shift Rod Assembly
6.	784-5630B	Frame Assembly	30.	746-0897	Drive Cable
7.	741-0563	Ball Bearing	31.	748-0190	Spacer
8.	736-0105	Bell Washer	32.	684-0021	Friction Wheel Bracket Assembly
9.	712-0116	Lock Jam Nut	33.	732-0264	Extension Spring
10.	741-0598	Hex Flange Bearing	34.	712-0711	Jam Nut 3/8-24
11.	736-0188	Flat Washer	35.	746-0898B	Drive Cable
12.	784-5689A	Front Support Guide Bracket	36.	738-0869	Axle 13” Wheels
13.	710-0538	Lock Hex Screw		738-0830	Axle 16” Wheels
14.	736-0242	Bell Washer .340 ID x .872 OD	37.	790-00010	Friction Plate
15.	714-0474	Cotter Pin	38.	735-0243B	Friction Wheel Rubber
16.	736-0160	Flat Washer .536 ID x .930 OD	39.	718-0301A	Friction Wheel Hub
17.	710-0809	Hex Washer Screw 1/4-20	40.	618-0063A	Friction Wheel Bearing
18.	784-5590	Frame Shift Bracket	41.	710-1652	Tap Screw 1/4-20
19.	784-5638	Frame Cover	42.	712-0703A	Insert Nut 5/16-18
20.	710-0599	Hex Washer Screw 1/4-20	43.	711-1364	Clevis Pin
21.	736-0351	Flat Washer .760 ID x .50 OD	44.	736-0142	Flat Washer .281 ID x .50 OD
22.	717-1445	Gear	45.	714-0507	Cotter Pin
23.	714-0126	Key	46.	790-00011	Friction Plate
24.	717-1444	7-Tooth Shaft

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