Snapper Lawn Aerator 2373 User Guide

Attachment  
Illustrated  
Parts List  
ATTACHMENT  
Mfg. No. Description  
1691978  
1693578  
36” Tiller  
36” Tiller  
MANUFACTURING, INC.  
500 N Spring Street / PO Box 997  
Port Washington, WI 53074-0997 USA  
Rev. 10/2001  
TP 400-2373-01-AT-SMA  
© Copyright 2001 Simplicity Manufacturing, Inc.All Rights Reserved.  
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36” Tine & Deflector Group  
REF NO. PART NO.  
QTY.  
DESCRIPTION  
PLATE, End, R.H.  
LOCKNUT, Flange, 5/16-18  
CARRIAGE BOLT, 5/16-18 x 5/8  
DEFLECTOR ASSEMBLY, R.H.  
DECAL, Safety  
SHIELD  
NUT, Hex Head, Flange, 1/4-20  
CHANNEL  
CAPSCREW, Hex Head, 3/8-16 x 1  
WASHER  
NUT, Hex, Flange, 3/8-16  
KEY  
SCREW, Hex, Whizlock, 3/8-16 x 3/4  
PLATE, End, L.H.  
DEFLECTOR ASSEMBLY, L.H.  
CAPSCREW, Hex, Whizlock, 3/8-16 x 1  
LOCKNUT, 7/16-20  
BLADE, Tine, R.H.  
1
2
3
1707990  
1927557  
1931332  
105369  
1
15  
8
1
2
1
1
1
2
2
2
4
2
1
1
4
16  
8
8
2
16  
2
2
1
1
1
1
1
1
1
4
5
6
1679700  
105354  
7
8
9
1930642  
1707938  
1921210  
1960353  
1930645  
105337  
1933260  
1707991  
105370  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
1934654  
1928867  
105376  
105375  
BLADE, Tine, L.H.  
1651504  
1920353  
105249  
HUB & PLATE ASSEMBLY  
CAPSCREW, Hex Head, 7/16-20 x 1-1/2  
PIN  
1918451  
1650461  
1650460  
1707945  
1707939  
1918448  
1707951  
1924009  
PIN, Cotter  
BLADE ASSEMBLY, L.H.  
BLADE ASSEMBLY, R.H.  
DEFLECTOR  
ROD  
PIN, Cotter  
CHAIN  
CAPSCREW, Hex Head, 1/4-20 x 7/8  
Footnotes:  
The above parts group applies to the following Mfg. Nos.:  
1691978 36” Tiller  
1693578 36” Tiller  
TP 400-2373-01-AT-SMA  
3
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36” Housing Group  
984364  
NOTE: Unless noted otherwise,  
use the standard hardware torque  
specification chart.  
15  
16  
The above parts group applies to the following Mfg. Nos.:  
1691978 36” Tiller  
1693578 36” Tiller  
© Copyright 2001 Simplicity Manufacturing, Inc. All Rights Reserved.  
TP 400-2373-01-AT-SMA  
4
Download from Www.Somanuals.com. All Manuals Search And Download.  
36” Housing Group  
REF NO. PART NO.  
QTY.  
DESCRIPTION  
1
2
3
105336  
178174  
1650841  
2
1
1
CHAIN, # 40  
CHAIN, # 50  
TRANSMISSION SUB ASSEMBLY (Incl. Ref. Nos. 1-16, 18-38 on this page)  
& Incls. Ref. Nos. 1-5,7,11,17,18,19,34,36 & 38 in the 36” Tiller Drive Group)  
FITTING, Grease  
BOLT, Hex Head, Drilled & Tapped  
LOCKWASHER, 1/2  
BAR, Side  
NUT, Hex, 5/16-1  
LOCKWASHER, 5/16  
BEARING  
LOCKNUT, 5/16-18  
CASE ASSEMBLY, Half, R.H.  
SEAL  
PLATE ASSEMBLY, Upper Bearing  
RING, Retaining  
WASHER, 1  
BEARING, Roller  
SPACER, Inter.  
SHAFT ASSEMBLY, Pulley  
SPROCKET & BEARING ASSEMBLY, (Incl. Ref. Nos. 17 & 21)  
SPROCKET ASSEMBLY, (See Ref. No. 20)  
SPACER  
SHAFT ASSEMBLY, Tine  
SPROCKET (See Ref. No. 25)  
SPROCKET & BEARING ASSEMBLY, (Incl. Ref. Nos. 17 & 24)  
SPACER, Internal  
LOCKNUT, Hex, Jam, 3/8-16  
PLATE ASSEMBLY  
SEAL  
BEARING  
CAP, Grease  
LOCKNUT, Flange, 1/2-13  
CASE ASSEMBLY, Half, L.H.  
CAPSCREW, Hex Head, 5/16-18 x 5/8  
WASHER, 1/2  
CAPSCREW, Hex Head, 1/2-13 x 4  
CAPSCREW, Hex Head, 1/2-20 x 1  
GASKET  
CAPSCREW, Hex Head, 5/16-1 8 x 1-1 /4  
WASHER, 3/8  
LOCKNUT, Flange, 5/16-18  
HOOK, “S”  
4
5
6
7
8
915019  
105132  
1916966  
105320  
1917372  
1917356  
1669337  
1923362  
105366  
105365  
1669338  
927320  
960208  
105195  
105192  
105298  
1650975  
*
2
2
4
2
4
4
2
13  
1
2
2
4
4
4
1
1
1
1
2
1
1
1
1
6
2
2
2
2
2
1
13  
1
1
2
1
1
2
2
1
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
105360  
178177  
*
1650976  
105292  
1930651  
1669298  
105357  
105309  
105363  
1930644  
105367  
1925205  
1918431  
1926158  
1929528  
105373  
1921977  
1924940  
1935048  
1707985  
Footnotes:  
* Not a servicable part.  
The above parts group applies to the following Mfg. Nos.:  
1691978 36” Tiller  
1693578 36” Tiller  
TP 400-2373-01-AT-SMA  
5
Download from Www.Somanuals.com. All Manuals Search And Download.  
36” Drive Group  
984262  
NOTE: Unless noted otherwise,  
use the standard hardware torque  
specification chart.  
The above parts group applies to the following Mfg. Nos.:  
1691978 36” Tiller  
1693578 36” Tiller  
© Copyright 2001 Simplicity Manufacturing, Inc. All Rights Reserved.  
TP 400-2373-01-AT-SMA  
6
Download from Www.Somanuals.com. All Manuals Search And Download.  
36” Drive Group  
REF NO. PART NO.  
QTY.  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
923471  
1925125  
105346  
1930650  
105359  
105339  
1707593  
1923141  
1704716  
960171  
1666106  
1919326  
176012  
1917356  
1707564  
1917372  
1657562  
1930585  
916950  
1
2
2
2
2
1
1
1
2
1
1
1
5
1
1
1
1
1
6
7
10  
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
2
1
1
1
1
1
1
4
2
CAPSCREW, Hex Head, 7/16-14 x 1-1/4  
WASHER, 3/8  
SPACER  
LOCKNUT, Flange, 7/16-14  
SUPPORT  
SPACER  
SPRING, Torsion  
CAPSCREW, Hex Head, 5/16-18 x 2-3/4  
SPACER  
WASHER, Nylon  
BUSHING  
WASHER, 5/16  
RETAINER PIN  
LOCKWASHER, 5/16  
GUARD, Belt  
NUT, Hex, 5/16-18  
ROD, Pivot  
CAPSCREW, Hex Head, 7/16-14 x 3-1/2  
NUT, Hex, 3/8-16  
LOCKWASHER, 3/8  
WASHER, 3/8  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
916965  
1924940  
1708298  
1708961  
1923362  
1669999  
1708352  
157427  
PIN  
ARM SUPPORT ASSEMBLY  
NUT, Hex, Centerlock, 5/16-18  
SPACER  
GUARD, Spring  
KEY  
SETSCREW, 3/8-16 x 1/2  
PULLEY  
PULLEY, Idler  
1960474  
1706342  
1721133  
1706511  
1921973  
1921971  
1706510  
1920415  
1706512  
1921210  
1707265  
1960033  
1706344  
1960116  
1921333  
1706362  
1960160  
1611789  
PULLEY, Idler  
CAPSCREW, Hex Head, 3/8-16 x 2-3/4  
CAPSCREW, Hex Head, 3/8-16 x 1-3/4  
PULLEY, Idler  
CAPSCREW, Hex Head, 3/8-16 x 1-1/4  
V-BELT  
CAPSCREW, Hex Head, 3/8-16 x 1  
ANCHOR, Jackshaft  
CLIP  
ANCHOR ASSEMBLY  
PIN  
CAPSCREW, Hex Head, 5/16-18 x 1  
PULLEY ASSEMBLY  
WASHER, 3/4  
SEAL  
Footnotes:  
Item 31 only used with gear models.  
The above parts group applies to the following Mfg. Nos.:  
1691978 36” Tiller  
1693578 36” Tiller  
TP 400-2373-01-AT-SMA  
7
Download from Www.Somanuals.com. All Manuals Search And Download.  
36” Drive Group  
984262  
NOTE: Unless noted otherwise,  
use the standard hardware torque  
specification chart.  
The above parts group applies to the following Mfg. Nos.:  
1691978 36” Tiller  
1693578 36” Tiller  
© Copyright 2001 Simplicity Manufacturing, Inc. All Rights Reserved.  
TP 400-2373-01-AT-SMA  
8
Download from Www.Somanuals.com. All Manuals Search And Download.  
36” Drive Group  
REF NO. PART NO.  
QTY.  
DESCRIPTION  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
171186  
1708180  
*
2
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
2
4
1
1
1
1
1
BEARING  
CLEVIS ASSEMBLY, w/Bearings (incl. Ref. Nos. 48 & 46)  
CLEVIS ASSEMBLY, (See Ref. No. 47)  
FITTING, Lube  
SPRING, Extension  
NUT, Hex, Centerlock, 3/8-16  
ARM ASSEMBLY, Idler  
PULLEY, Idler  
CAPSCREW, Hex Head, 3/8-16 x 2  
V-BELT  
KEY  
SETSCREW, 5/16-18  
PULLEY ASSEMBLY  
PIN  
FRAME ASSEMBLY  
CAPSCREW, Hex Head, 1/2-13 x 5  
SPACER  
912808  
159159  
1960251  
1706508  
1657712  
1923701  
1700059  
960403  
1928721  
1706343  
155037  
1651844  
1926159  
105386  
1924361  
1930644  
1707599  
105295  
118053  
1707569  
WASHER, 1/2  
LOCKNUT, 1/2-13  
ANCHOR, Spring  
LEVER ASSEMBLY, Clutch  
PIN  
LIFT ASSEMBLY  
Footnotes:  
* Not a servicable part.  
The above parts group applies to the following Mfg. Nos.:  
1691978 36” Tiller  
1693578 36” Tiller  
TP 400-2373-01-AT-SMA  
9
Download from Www.Somanuals.com. All Manuals Search And Download.  
Hardware Identification & Torque Specifications  
Common Hardware Types  
Torque Specification Chart  
FOR STANDARD MACHINE HARDWARE (Tolerance 20%)  
Hex Head Capscrew  
Washer  
No  
Marks  
Hardware  
Lockwasher  
Grade  
Carriage Bolt  
SAE Grade 2  
SAE Grade 5  
SAE Grade 8  
Hex Nut  
Size Of  
in/lbs  
in/lbs  
in/lbs  
Hardware ft/lbs  
Nm.  
2.1  
2.3  
3.1  
3.5  
7.6  
ft/lbs  
Nm.  
3.4  
3.5  
4.9  
5.5  
10.9  
13.6  
23.1  
25.8  
40.8  
ft/lbs  
Nm.  
4.6  
4.9  
6.8  
7.7  
16.3  
19.0  
34.0  
34.0  
61.2  
Standard Hardware Sizing  
8-32  
8-36  
19  
20  
30  
31  
43  
49  
8
10  
17  
19  
30  
35  
50  
55  
75  
41  
43  
60  
68  
12  
14  
25  
27  
45  
When a washer or nut is identified as 1/2”, this is the  
Nominal size, meaning the inside diameter is 1/2 inch; if a  
second number is present it represent the threads per inch  
10-24  
10-32  
1/4-20  
1/4-28  
5/16-18  
5/16-24  
3/8-16  
3/8-24  
7/16-14  
7/16-20  
1/2-13  
1/2-20  
9/16-12  
9/16-18  
5/8-11  
5/8-18  
3/4-10  
3/4-16  
7/8-9  
27  
31  
66  
76  
11  
12  
20  
23  
30  
35  
50  
55  
65  
75  
90  
100  
160  
180  
140  
155  
220  
240  
When bolt or capscrew is identified as 1/2 - 16 x 2”, this  
means the Nominal size, or body diameter is 1/2 inch; the  
second number represents the threads per inch (16 in this  
example, and the final number is the body length of the  
bolt or screw (in this example 2 inches long).  
8.6  
15.0  
16.3  
27.2  
31.3  
40.8  
47.6  
68.0  
74.8  
88.4  
102.0  
122.4  
136  
217.6  
244.8  
190.4  
210.8  
299.2  
326.4  
The guides and ruler furnished below are designed to  
help you select the appropriate hardware and tools.  
47.6  
68.0  
74.8  
50  
70  
80  
68.0  
95.2  
0
108.8  
149.6  
163.2  
204.0  
231.2  
299.2  
326.4  
525.0  
571.2  
816.0  
897.6  
1/4  
102.0  
122.4  
149.6  
163.2  
204.0  
244.8  
353.6  
408.0  
544.0  
598.4  
788.8  
110  
120  
150  
170  
220  
240  
386  
420  
600  
660  
Nut, 1/2”  
90  
1/2  
Inside  
Diameter  
110  
120  
150  
180  
260  
300  
400  
440  
580  
640  
3/4  
1
2
3
4
1/4  
1/2  
3/4  
7/8-14  
1-8  
1-12  
Screw, 1/2 x 2  
900 1,244.0  
Body  
Diameter  
870.4 1,000 1,360.0  
1/4  
NOTES  
1/2  
1. These torque values are to be used for all hardware  
excluding: locknuts, self-tapping screws, thread forming  
screws, sheet metal screws and socket head setscrews.  
2. Recommended seating torque values for locknuts:  
a. for prevailing torque locknuts - use 65% of grade 5  
torques.  
b. for flange whizlock nuts and screws - use 135% of  
grade 5 torques.  
3. Unless otherwise noted on assembly drawings, all torque  
values must meet this specification.  
Body  
Length  
3/4  
1/4  
1/2  
3/4  
Wrench & Fastener Size Guide  
1/2  
7/16  
DIA.  
DIA.  
3/8  
5/16  
1/4  
1/4” Bolt or Nut  
Wrench—7/16”  
5/16” Bolt or Nut  
Wrench—1/2”  
3/8” Bolt or Nut  
Wrench—9/16”  
7/16” Bolt or Nut  
Wrench (Bolt)—5/8”  
Wrench (Nut)—11/16”  
1/2” Bolt or Nut  
Wrench—3/4”  
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