Troy-Bilt 645A Super Bronco, 643C Tuffy/Bronco manual GW-1224-3

MODELS 643C, 643B & 645A

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REF	PART NO.	DESCRIPTION
NO.
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)

* Use as required to obtain between .005” and .015” allowable end-play.

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		2				REF		PART NO.	DESCRIPTION
						NO.
		5	2			1		GW-9727	Plug, Transmission Oil Fill
						2		710-04049	Hex Hd. Flange Screw, 5/16-18 x 5/8,Gr. 5
7		6				3		736-0119	Lock Washer, 5/16
						4		1918377	Rear Cover, Transmission
			4			5		1916641	Front Cover, Transmission
						6		GW-50032	Gasket, Housing Cover
						7		721-04030	Oil Seal, Drive Shaft
			6			8		721-04031	Oil Seal, Wheel Shaft
		8				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
	8	9		11*		13		710-04048	Hex Hd. Flange Screw, 5/16-18 x 1
				10		14		710-3008	Hex Hd. Flange Screw, 5/16-18 x 3/4
			12				*Included with transmission when purchased as an assembly only.
					13			Remove and discard when installing the transmission on tiller.
		10	3
			14

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