Bolens 12228 owner manual Parts List, Ref. # Description

Parts List 13

Model 12228

						DRAWING NO. 1
		13		2
	19					7
						23
21				A		5
						18
		A
						6
				B		18
22		A			B	9
24	3
	10				B	4	1
	13			A
			A			8
				14, 15
								20
							3
					16, 17	5	24	21
									22
						14, 15

11, 12 21

Ref. #	Part #	Description	Qty.
1	1915039	Transmission Case - left-side.
		(Incl. pressed-in bushing)	1
2	1915040	Transmission Case - right-side.
		(Incl. pressed-in bushing)	1
3	1983632	Oil Seal	2
4	1918308	Worm Input Shaft Assembly	1
5	1983731	Input Bearing	2
6	1983636	Thrust Bearing	1
7	1983637	Ball Bearing	1
8	1904416	Shaft Assembly. (Incl. pressed-on worm
		gear and two ring lock pins)	1
9	1909923	Oil Seal, Input	1
10	1185741	Plug, 1/8	3
11	1111600	Hex Screw, 1/4-20 x 7/8 (five locations,
		identified as “A” on transmission case) . . .	5

Ref. #	Part #	Description	Qty.
12	1100069	Hex Screw, 1/4-20 x 1 (three locations,
		identified as “B” on transmission case) . .	. 3
13	1817146	Locknut, Nyloc, 1/4-20	. 8
14	1983635	Thrust Washer, Output (.050")	.A/R
15	1983640	Thrust Washer, Output (.040")	.A/R
16	1983641	Thrust Washer, Input (.020")	.A/R
17	1983642	Thrust Washer, Input (.035")	.A/R
18	1983638	Thrust Washer	. 2
19	1107381	Flat Washer, 1/4	. 2
20	1983663	Hex Hd. Screw, 1/4-20 x 5	. 2
21	1747166	Set Screw, 1/4-28 x 3/8	. 4
22	1915055	Dust Cover	. 2
23	1918052	Oil Seal, Input	. 1
24	1983713	Felt Washer	. 2

A/R – As Required