Snapper Lawn Aerator 3877 User Manual

Attachment  
Illustrated  
Parts List  
Attachment  
Mfg. No.  
1694395  
Description  
Frame, Front Attachment  
MANUFACTURING, INC.  
500 N. Spring Street / PO Box 997  
Port Washington, WI 53074-0997 USA  
11/2003  
Rev.  
TP 400-3877-00-AT-SMA  
© Copyright 2003 Simplicity Manufacturing, Inc. All Rights Reserved. Printed In USA.  
Frame Group  
REF NO.  
PART NO.  
QTY.  
1
DESCRIPTION  
1
2
1724980  
1960355  
1960462  
1716944  
1711773  
1960033  
1725319  
1725318  
172320  
PUSH BAR ASSEMBLY, Front  
LOCKNUT, Hex, 1/2-13  
13  
1
3
CAPSCREW, Hex Head, 1/2-13 x 2-1/2  
CYLINDER ASSEMBLY  
4
1
5
1
PIN, Clevis, 1/2 x 2  
6
5
CLIP, Hair Pin  
7
1
HOSE ASSEMBLY, Hydraulic, 20" Long  
HOSE ASSEMBLY, Hydraulic, 30" Long  
FITTING, Elbow, 1/8 NPT, 1/2-20  
FITTING, Tube, Male  
8
1
9
1
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
919171  
1
173359  
2
NOSE PIECE ASSEMBLY  
SUB FRAME ASSEMBLY, Front  
CAPSCREW, Hex Head, 1/2-13 x 1-1/2  
PIN, Yoke, 5/8 x 1-13/16  
HITCH ASSEMBLY, Rear  
CAPSCREW, Hex Head, 1/4-20 x 2-1/4  
WASHER, 1/2  
1725002  
1920328  
1960038  
1725045  
1921159  
1960170  
1725046  
1725049  
1920397  
1725048  
1725520  
1
12  
2
1
1
4
1
HITCH ASSEMBLY, Front  
PIN, Clevis, 5/8 x 2-1/2  
2
1
LOCKNUT, Hex, 1/4-20  
1
SHAFT, 1 x 14  
2
FITTING, Swivel, 1/4-18  
Footnotes  
The above parts group applies to the following Mfg. Nos.:  
1694395 - Frame  
© Copyright 2003 Simplicity Manufacturing, Inc. All Rights Reserved.  
2
TP 400-3877-00-AT-SMA  
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  
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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