MTD 12212, 12211 owner manual Main Drive Shaft, Input Pinion Shaft & Gear Assembly

PARTS LIST

Models 12211 and 12212

DRIVE SHAFT, INPUT PINION SHAFT and GEAR ASSEMBLIES

REF.	PART
No.	No.	DESCRIPTION	QTY.
		MAIN DRIVE SHAFT
1	1714	Bearing, Tapered Roller with Race ....	1
2	20718	Spur Gear	1
3	9301	Key, 3/16 sq. x 1	1
4	11603	Main Drive Shaft (Drive shaft is one-
		piece with integral, single-lead,
		work-hardened front worm, and
		integral, six-lead, work-hardened
		rear worm. Also includes pressed-
		on #1714 bearing and #9301 key) .	1
5	1224-1	Shim, Rear Bearing Cap, .010" thick
		(see Note below)	A/R
5	1224-2	Shim, same as above, but .030" thick
		(see Note)	A/R
5	1224-3	Shim, same as above, but .005" thick
		(see Note)	A/R
...	1325C	Shim Set (Incl. two #1224-1; two
		1224-2 and one #1224-3)	A/R

REF.	PART
No.	No.	DESCRIPTION	QTY.
	INPUT PINION SHAFT & GEAR ASSEMBLY
6	9572	Hex Hd. Screw, 5/16-24 x 1-1/8*	1
7	9944	Washer, Disc Spring (concave
		surface faces pulley)	1
8	1108841	Key, 3/16 sq. x 1-1/2	1
9	20880	Transmission Drive Pulley	1
10	1440	Support Washer	1
11	85030	Oil Seal, Input Pinion Shaft	1
12	9500	Retaining Ring (external)	1
13	9953	Thrust Washer	2
14	9428	Bushing	1
15	9677	Set Screw, 5/16-18 x 3/8*	1
16	20791	Input Pinion (steel shaft)	1
17	20792	Input Pinion Gear	1
18	9093	Retaining Ring (external) l	1
19	20799	Pinion Assy. (Incl. one each Refs. 16,
		17 and 18	A/R
20	9517	Retaining Ring (internal)	1

NOTE: 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.

A/R - As Required

* Specify GRADE 5 if ordering part locally.

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