Troy-Bilt 665B manual Input Pinion Shaft & Gear Assembly, End play on drive shaft

30Parts List

Model 665B

DRAWING NO. 5

NOTE 1–Shim between drive shaft rear bearing and rear bearing cap to achieve 5-to-10 thousandths of an inch (.005-

.010) end play on drive shaft.

REF	PART
No.	No.	DESCRIPTION	QTY.
	MAIN DRIVE SHAFT ASSEMBLY
1	GW-1714	Bearing–Tapered roller with race	............ 1
2	GW-20718	Gear–Spur, main drive shaft	1
3	GW-9301	Key, 3/16 sq. x 1	1

4GW-11603 Drive Shaft–with integral, single-lead worm at front and six-lead worm at

		rear (includes pressed-on
		#1714 rear roller bearing, race for
		bearing and #9301 key)	1
5	GW-1224-1	Shim–Rear bearing cap, .010 thick
		(see Note 1)	A/R
5	GW-1224-2	Shim–same as above, but .030 thick
		(see Note 1)	A/R
5	GW-1224-3	Shim–same as above, but .005 thick
		(see Note 1)	A/R
...	GW-1325C Shim Set–includes the following
		shims: two 1224-1; two 1224-2;
		one #1224-3	A/R

REF	PART	DESCRIPTION	QTY.
No.	No.

INPUT PINION SHAFT & GEAR ASSEMBLY

6	GW-9572	Hex Hd. Screw, 5/16-24 x 1-1/8*	1
7	GW-9944	Washer–Disc spring (concave
		surface faces pulley)	1
8	1108841	Key, 3/16 sq. x 1-1/2	1
9	1916522	Pulley–Transmission drive	1
10	GW-1440	Support Washer	1
11	1983622	Oil Seal–Input pinion shaft, front	1
12	1113527	Ring–Retaining (snap ring), external	1
13	GW-9953	Thrust Washer	2
14	GW-9428	Bushing	1
15	GW-9677	Set Screw, 5/16-18 x 3/8*	1
16	GW-20791	Input Pinion–steel shaft	1
17	GW-20792	Gear–Input pinion	1
18	GW-9093	Retainer–Snap ring, external	1
19	GW-20799	Pinion Assy–(Incl. one each of Ref.
		No.’s 16, 17 and 18	A/R
20	GW-9517	Retainer–Snap ring, internal	1

*Specify GRADE 5 if ordering part locally. A/R - As Required