Troy-Bilt 643D - Tuffy/Bronco CRT User Manual
Page 26
26
MODELS 643B, 643C, 643D & 645A
* Use as required to obtain between .005” and .015” allowable end-play.
REF
NO.
PART NO.
DESCRIPTION
1
GW-9517
Snap Ring
2
GW-1714
Bearing, Tapered Roller (with race)
3
GW-50043
Support Washer, Rear
4
711-04110
Drive Shaft
5
GW-1224-1*
Shim, Rear Bearing Cap, .010" thick
GW-1224-2*
Shim, same as above, except .030" thick
GW-1224-3*
Shim, same as above, except .005" thick
GW-1224-4*
Shim, same as above, except .062" thick
—
GW-1325C
Shim Set (Incl. the following shims:
two #1224-1, two 1224-2 & one #1224-4)
3
4
5
2
2
1
2
2
1
5
4
6
6
8
8
9
10
10
12
3
14
13
11*
7
*Included with transmission when purchased as an assembly only.
Remove and discard when installing the transmission on tiller.
REF
NO.
PART NO.
DESCRIPTION
1
GW-9727
Plug, Transmission Oil Fill
2
710-04049
Hex Hd. Flange Screw, 5/16-18 x 5/8,Gr. 5
3
736-0119
Lock Washer, 5/16
4
1918377
Rear Cover, Transmission
5
1916641
Front Cover, Transmission
6
GW-50032
Gasket, Housing Cover
7
721-04030
Oil Seal, Drive Shaft
8
721-04031
Oil Seal, Wheel Shaft
9
619-04013
Transmission Housing Assembly
10
721-04036
Oil Seal, Tine Shaft
11
736-3008*
Washer, Flat, .344 x .750 x .120
12
718-04008
Rear Bearing Cap
13
710-04048
Hex Hd. Flange Screw, 5/16-18 x 1
14
710-3008
Hex Hd. Flange Screw, 5/16-18 x 3/4