Snapper Lawn Aerator 3544 User Guide

ATTACHMENT  
ILLUSTRATED  
PARTS LIST  
ATTACHMENT  
Mfg. No. Description  
1694304  
Turbo - 38”, 44” & 50” Mower  
MANUFACTURING, INC.  
500 N Spring Street / PO Box 997  
Port Washington, WI 53074-0997 USA  
Rev. 09/2002  
TP 400-3544-00-AT-SMA  
© Copyright 2002 Simplicity Manufacturing, Inc.All Rights Reserved.  
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Turbo - 38”, 44” & 50” Mower  
REF NO.  
PART NO.  
QTY.  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
1931333  
1665982  
108202  
7
4
2
6
10  
1
1
6
1
4
2
1
1
1
1
1
1
1
1
2
1
1
1
3
1
1
2
2
1
1
2
1
1
2
1
4
CARRIAGE BOLT, 5/16-18 x 3/4  
RETAINER, Bearing  
BEARING  
1933988  
1930641  
1925003  
1724441  
1927557  
1700259  
1931317  
1960256  
1705267  
1706631  
1706465  
1931355  
1678435  
1924874  
1917356  
1917372  
1924009  
1668500  
1716853  
1920415  
1924940  
154534  
1933263  
1960251  
1676833  
1706284  
1704314  
1676148  
1924361  
1706634  
1960619  
960403  
PUSH NUT, 3/8  
NUT, Hex, Flange Lock, 1/4-20  
CAPSCREW, Hex, Taptite, 1/4-20 x 1/2  
FAN HOUSING (Includes Ref. No. 9)  
NUT, Flange, Whizlock, 5/16-18  
DECAL, Danger, Blower  
CARRIAGE BOLT, 1/4-20 x 3/4  
CAPSCREW, Washer Head, Plastite, 1/4-18 x 5/8  
COVER, Bottom  
FAN ASSEMBLY, 5 Blade  
PLATE ASSEMBLY  
CARRIAGE BOLT, 3/8-16 x 2-1/4  
BELT STOP  
WASHER, Flat  
WASHER, Spring Lock, 5/16  
NUT, Hex, 5/16  
CAPSCREW, Hex Head, 1/4-20 x 7/8  
BRACKET, Anchor, Spring  
SPRING, Tension  
CAPSCREW, Hex Head, 3/8-16 x 1-1/4  
WASHER, Plain  
IDLER PULLEY ASSEMBLY  
WASHER, Flat  
NUT, Hex, Jam, Center Lock, 3/8-16  
SPACER  
LEVER ASSEMBLY, Turbo (Includes Ref. Nos. 30 &31)  
FITTING, Grease  
BUSHING  
WASHER, Flat  
PULLEY, Driven  
SETSCREW, Hex, Socket Head, 5/16-18 x 5/16  
KEY, Woodruff, Modified  
CAPSCREW, Hex Head, 1/4-20 x 5/8  
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  
1921959  
Footnotes:  
The above parts group applies to the following Mfg. Nos.:  
1694304 Turbo - 38”, 44” & 50” Mower  
TP 400-3544-00-AT-SMA  
3
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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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