Snapper Lawn Aerator 2623 User Manual

ATTACHMENT  
ILLUSTRATED  
PARTS LIST  
ATTACHMENT  
Mfg. No. Description  
1690082  
42” Rotary Mower Hitch Assembly  
MANUFACTURING, INC.  
500 N Spring Street / PO Box 997  
Port Washington, WI 53074-0997 USA  
Rev. 03/2002  
TP-400-2623-00-AT-SMA  
© Copyright 2002 Simplicity Manufacturing, Inc.All Rights Reserved.  
 
42” Rotary Mower Hitch Assembly  
REF NO.  
PART NO.  
QTY.  
DESCRIPTION  
1
2
3
4
5
6
7
8
9
172468  
105051  
917279  
918430  
916966  
916951  
174189  
922606  
916965  
176439  
174845  
1
2
2
2
2
2
1
3
3
1
1
ROCKER ARM ASSEMBLY  
SPACER  
CAPSCREW, Hex Head, 1/2-13 X 1-1/4  
WASHER  
LOCKWASHER  
NUT, Hex, 1/2-13  
PULLEY  
CAPSCREW, Hex Head, 3/8-16 X 1-3/4  
LOCKWASHER  
V-BELT  
10  
11  
DECAL, Installation  
Footnotes:  
The above parts group applies to the following Mfg. Nos.:  
1690082 Hitch, Mower Deck  
TP 400-2623-00-AT-SMA  
3
 
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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