MTD 643 User Manual
Page 25
25
Models 643 & 663
Ref.
No.
Part No.
Part Description
1.
710-0599
Hex Screw
2.
784-5688
Drive Cable Guide Bracket
3.
784-5687A
Auger Clutch Cable Bracket
4.
756-0625
Roller Cable
5.
738-0924
Hex Screw 1/4-28
6.
784-5630B
Frame Assembly
7.
741-0563
Ball Bearing
8.
736-0105
Bell Washer
9.
712-0116
Lock Jam Nut
10.
741-0598
Hex Flange Bearing
11.
736-0188
Flat Washer
12.
784-5689A
Front Support Guide Bracket
13.
710-0538
Lock Hex Screw
14.
736-0242
Bell Washer .340 ID x .872 OD
15.
714-0474
Cotter Pin
16.
736-0160
Flat Washer .536 ID x .930 OD
17.
710-0809
Hex Washer Screw 1/4-20
18.
784-5590
Frame Shift Bracket
19.
784-5638
Frame Cover
20.
710-0599
Hex Washer Screw 1/4-20
21.
736-0351
Flat Washer .760 ID x .50 OD
22.
717-1445
Gear
23.
714-0126
Key
24.
717-1444
7-Tooth Shaft
25.
715-0249
Roll Pin
26.
714-0143
Klik Pin
27.
684-0042C
Friction Wheel Assembly
28.
656-0012A
Friction Disc Wheel
29.
684-0013B
Wheel Shift Rod Assembly
30.
746-0897
Drive Cable
31.
748-0190
Spacer
32.
684-0021
Friction Wheel Bracket Assembly
33.
732-0264
Extension Spring
34.
712-0711
Jam Nut 3/8-24
35.
746-0898B
Drive Cable
36.
738-0869
Axle 13” Wheels
738-0830
Axle 16” Wheels
37.
790-00010
Friction Plate
38.
735-0243B
Friction Wheel Rubber
39.
718-0301A
Friction Wheel Hub
40.
618-0063A
Friction Wheel Bearing
41.
710-1652
Tap Screw 1/4-20
42.
712-0703A
Insert Nut 5/16-18
43.
711-1364
Clevis Pin
44.
736-0142
Flat Washer .281 ID x .50 OD
45.
714-0507
Cotter Pin
46.
790-00011
Friction Plate
Ref.
No.
Part No.
Part Description