Troy-Bilt 643D-Tuffy/Bronco, 643B, 645A - Super Bronco manual Front, MODELS 643C, 643B & 645A

MODELS 643C, 643B & 645A

8

6 2

FRONT

11

3

4

7

5

(A)For Model 643C

(B)For Model 643B

(C)For Model 645A

10

9

7

4

3

2

REF	PART NO.	DESCRIPTION
NO.
2	1909950	Retainer, Snap Ring
3	GW-1166-1*	Shim, 0.062" thick
	GW-1166-2*	Shim, 0.030" thick
	GW-1166-3*	Shim, 0.015" thick
	GW-1166-4*	Shim, 0.010" thick
	GW-1166-5*	Shim, 0.005" thick
4	GW-1086	Bronze Bushing
5	711-04512	Wheel Shaft (A)
	711-04486	Wheel Shaft (B) (C)
6	GW-9305	Key, Hi-Pro, 1/4 x 1
7	GW-1132-2	Spacer
8	1904278	Worm Gear, Wheel Shaft
9	711-04078	Tiller Shaft
10	GW-1104	Woodruff Key
11	1916542	Worm Gear, Tiller Shaft

* Use as required to obtain between .005” and .030” allowable end-play.

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