Snapper Lawn Aerator 4561 User Manual

Attachment  
Illustrated  
Parts List  
Attachment  
Mfg. No. Description  
1694508  
54" Grass Mulcher Kit  
MANUFACTURING, INC.  
500 N. Spring Street / PO Box 997  
Port Washington, WI 53074-0997 USA  
1734845  
04/2007  
Part No.:  
Rev.  
TP 400-4561-00-AT-SMA  
© Copyright 2007 Simplicity Manufacturing, Inc. All Rights Reserved. Printed In USA.  
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Table Of Contents  
PRODUCT COMPONENTS  
PAGES  
54" Grass Mulcher Kit ..........................................................................................................................................  
4
Torque Specification Chart ..................................................................... Inside Back Cover  
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54" Grass Mulcher Kit  
986452  
NOTE: Unless noted otherwise,  
use the standard hardware torque  
specification chart.  
The above parts group applies to the following Mfg. Nos.:  
1694508 - 54" Grass Mulcher Kit  
Briggs and Stratton Yard Power Products Group  
Copyright © 2007 by Briggs and Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
4
TP 400-4561-00-AT-SMA  
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54" Grass Mulcher Kit  
REF NO PART NO. QTY. DESCRIPTION  
1
2
1917372SM  
1917356SM  
1921332SM  
1725801SM  
1726013ASM  
1679711SM  
1726014ASM  
1725909SM  
1720613ASM  
1721068SM  
1931333SM  
1721023ASM  
1721075SM  
12  
12  
6
NUT, Hex, 5/16-18  
LOCKWASHER, Spring 5/16  
3
CAPSCREW-HEX HD 5/16-18X0.750 G5 BLK  
COVER & PLATE ASSEMBLY, Discharge 54" Mulch  
BLADE, Mower Large  
4
1
5
2
6
3
WASHER, Splined  
7
1
BLADE, Mower Small  
8
1
*RAMP ASSEMBLY, LH 54" Mulcher NOTE* For Models 2004 and Later  
BAFFLE, Mulching LH 54"  
9
1
10  
11  
12  
13  
1
**RAMP ASSEMBLY, LH 54" Mulcher NOTE** For Models 2003 and Earlier  
CARRIAGE BOLT, 5/16-18 x 3/4 G5  
BAFFLE, Mulching RH 54"  
6
1
1
RAMP ASSEMBLY, RH 54" Mulcher  
Footnotes  
The above parts group applies to the following Mfg. Nos.:  
1694508 - 54" Grass Mulcher Kit  
Briggs and Stratton Yard Power Products Group  
Copyright © 2007 by Briggs and Stratton Corporation  
Milwaukee, WI, USA. All rights reserved  
5
TP 400-4561-00-AT-SMA  
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Hardware Identification & Torque Specifications  
Common Hardware Types  
Torque Specification Chart  
Hex Head Capscrew  
FOR STANDARD MACHINE HARDWARE (Tolerance 20%)  
Washer  
No  
Marks  
Hardware  
Grade  
Lockwasher  
Carriage Bolt  
SAE Grade 2  
SAE Grade 5  
in/lbs  
SAE Grade 8  
in/lbs  
Hex Nut  
Size Of  
in/lbs  
Hardware ft/lbs  
Nm.  
2.1  
2.3  
3.1  
3.5  
7.6  
ft/lbs  
Nm.  
ft/lbs  
Nm.  
Standard Hardware Sizing  
8-32  
8-36  
19  
20  
30  
31  
43  
49  
8
10  
17  
19  
30  
35  
50  
55  
75  
90  
110  
3.4  
3.5  
4.9  
41  
43  
60  
68  
12  
14  
25  
27  
45  
4.6  
4.9  
6.8  
7.7  
16.3  
19.0  
34.0  
34.0  
61.2  
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  
5.5  
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).  
10.9  
13.6  
23.1  
25.8  
40.8  
47.6  
68.0  
74.8  
102.0  
122.4  
149.6  
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.  
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  
110  
120  
150  
170  
220  
240  
386  
420  
600  
660  
Nut, 1/2”  
1/2  
Inside  
Diameter  
3/4  
120 163.2  
150 204.0  
1
2
3
4
180  
260  
300  
400  
440  
580  
640  
244.8  
353.6  
408.0  
544.0  
598.4  
788.8  
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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