Bolt torque – Echo CH5540 Owners Manual v.2 User Manual
Page 22
5 INCH PTO CHIPPER
18
BOLT TORQUE
BOLT DIAMETER (A)
ENGLISH
BOLT TORQUE *
SAE 2
SAE 5
SAE 8
N.m
Ft-lb.
N.m
Ft-lb.
N.m
Ft-lb.
1/4”
7.5
5.5
11
8
16
12
5/16”
15
11
23
17
34
25
3/8”
27
20
41
30
61
45
7/16”
41
30
68
50
95
70
1/2”
68
50
102
75
149
110
9/16”
97
70
149
110
203
150
5/8”
122
90
203
150
312
230
3/4”
217
160
353
260
515
380
7/8”
230
170
542
400
814
600
1”
298
220
786
580
1220
900
1-1/8”
407
300
1085
800
1736
1280
1-1/4”
570
420
2631
1940
2468
1820
BOLT DIAMETER
(A)
METRIC
BOLT TORQUE *
4.8
8.8
10.9
12.9
N.m
Ft-lb.
N.m
Ft-lb.
N.m
Ft-lb.
N.m
Ft-lb.
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
* Torque value for bolts and
capscrews are identified by their
head markings.
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%.
SAE - 8
SAE - 2
A
SAE - 5
SAE
Grade
and
Head
Markings
BOLT DIAMETER
10.9
4.8
A
8.8
METRIC
Grade
and
Head
Markings
BOLT DIAMETER
12.9
4.8
8.8
10.9
12.9
The tables below are for reference purposes only and their use by anyone is entirely voluntary, unless otherwise noted.
Reliance on their content for any purpose is at the sole risk of that person and any loss or damage resulting from the use
of this information is the responsibility of that person.