Specifications, 4 bolt torque – Echo 74520 Owners Manual v.2 User Manual
Page 32
Page 28
5" Chipper W/Hyd Feed Owners Manual
Specifications
6.4 BOLT TORQUE
CHECKING BOLT TORQUE:
The tables shown below give correct torque values for various bolts and capscrews. Tighten all bolts to the torques specified
in chart unless otherwise noted. Replace hardware with the same strength bolt.
Torque figures indicated above are valid for non-greased or non-oiled threads and heads unless otherwise specified. Therefore, do not grease or
oil bolts or capscrews unless otherwise specified in this manual. When using locking elements, increase torque values by 5%.
* Torque value for bolts and capscrews are identified by their head markings.
A
METRIC TORQUE SPECIFICATIONS
M3
0.5
0.4
-
-
-
-
-
-
M4
3
2.2
-
-
-
-
-
-
M5
5
4
-
-
-
-
-
-
M6
6
4.5
11
8.5
17
12
19
14.5
M8
15
11
28
20
40
30
47
35
M10
29
21
55
40
80
60
95
70
M12
50
37
95
70
140
105
165
120
M14
80
60
150
110
225
165
260
190
M16
125
92
240
175
350
255
400
300
M18
175
125
330
250
475
350
560
410
M20
240
180
475
350
675
500
800
580
M22
330
250
650
475
925
675
1075
800
M24
425
310
825
600
1150
850
1350
1000
M27
625
450
1200
875
1700
1250
2000
1500
Bolt
Dia m e te r
Bolt Torque *
4.8
8.8
10.9
12.9
SAE - 8
SAE - 2
A
SAE - 5
ENGLISH TORQUE
1/4"
7.5
5.5
9.5
9
17
12.5
5/16"
15
11
25
18
35
26
3/8"
27
20
44
33
63
46
7/16"
44
32
70
52
100
75
1/2"
67
50
110
80
150
115
9/16"
95
70
155
115
225
160
5/8"
135
100
215
160
300
225
3/4"
240
175
375
280
550
400
7/8"
240
175
625
450
875
650
1"
360
270
925
675
1300
975
1-1/8"
510
375
1150
850
1850
1350
1-1/4"
725
530
1650
1200
2600
1950
Bolt
Dia m e te r
Bolt Torque *
SAE 2
SAE 5
SAE 8