SECTION 3: SPECIFICATIONS
AIR N ARC
®
300 SERIES ALL-IN-ONE POWER SYSTEM
®
PAGE - 34
090010-OP_r0
TABLE 3D: BOLT AND TORQUE SPECIFICATIONS
2
5
7
8
SOCKET HEAD
CAP SCREW
I.D. Marks
No markings
3 lines
5 lines
6 lines
Allen head
Material
Low carbon
Medium -carbon,
tempered
Medium - carbon,
quenched &
tempered
Medium carbon,
quenched &
tempered
High-carbon,
quenched &
tempered
Tensile strength
(minimum)
74,000 psi
120,000 psi
133,000 psi
150,000 psi
160,000 psi
SAE 2
SAE 5
SAE 7
SAE 8
US BOLT TORQUE SPECIFICATIONS (Torque in foot-pounds)
2
2
5
5
7
7
8
8
Socket head
cap screw
Socket head
cap screw
Bolt
Diameter
Thread
per inch
Dry
Oiled
Dry
Oiled
Dry
Oiled Dry
Oiled
Dry
Oiled
1/4
20
4
3
8
6
10
8
12
9
14
11
1/4
28
6
4
10
17
12
9
14
10
16
13
5/16
18
9
7
17
13
21
16
25
18
29
23
5/16
24
12
9
19
14
24
18
29
20
33
26
3/8
16
16
12
30 23
40
30
45
35
49
39
3/8
24
22
16
35
25
45
35
50
40
54
44
7/16
14
24
17
50
35
60
45
70
55
76
61
7/16
20
34
26
55
40
70
50
80
60
85
68
1/2
13
38
31
75
55
95
70
110
80
113
90
1/2
20
52
42
90
65
100
80
120
90
126
100
9/16
12
52
42
110
80
135
100
150
110
163
130
9/16
18
71
57
120
90
150
110
170
130
181
144
5/8
11
98
78
150
110
140
140
220
170
230
184
3/4
10
157
121
260
200
320
240
380
280
400
320
3/4
16
180
133
300
220
360
280
420
320
440
350
7/8
9
210
160
430
320
520
400
600
460
640
510
7/8
14
230
177
470
360
580
440
660
500
700
560
1
8
320
240
640
480
800
600
900
680
980
780
1
12
350
265
710
530
860
666
990
740
1060
845
TABLE 3C: SPECIFICATIONS -— UNIT WEIGHT AND DIMENSIONS
I
Dimensions
Length
Width
Height
Weight* (wet)
Weight (dry)
Overall Package
47.5"
22.5"
31"
780 lbs.
699 lbs.
I
See
Diagram 4.5
(parts 1 and 2)
for full dimension drawing, and
Figure 4-1
for location space requirements.
