Troy-Bilt 643B Operator's Manual page 26

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