Bolt Torque - Walinga Agri-Vac 3510 Operator's Manual And Parts Book

7.2

BOLT TORQUE

CHECKING BOLT TORQUE
The tables shown below give correct torque values for various bolts and capscrews. Tighten all bolts to the
torques speci ed in chart unless otherwise noted. Check tightness of bolts periodically, using bolt torque chart
as a guide. Replace hardware with the same strength bolt.
ENGLISH TORQUE SPECIFICATIONS
Bolt
Diameter SAE 2
"A"
(N.m.) (lb-ft) (N.m.) (lb-ft) (N.m.) (lb-ft)
1/4" 8 6
5/16"
13 10
3/8"
27 20
7/16"
41 30
1/2"
61 45
9/16" 95 60
5/8"
128 95
3/4"
225 165
7/8"
230 170
1"
345 225
METRIC TORQUE SPECIFICATIONS
Bolt Bolt Torque
Diameter 8.8
"A" (N.m.) (lb-ft)
.5
M3
3
M4
6
M5
10
M6
25
M8
50
M10
90
M12
140
M14
225
M16
435
M20
750
M24
1495
M30
2600
M36
Torque gures indicated above are valid for non-greased or non-oiled threads and heads unless otherwise
speci ed. Therefore, do not grease or oil bolts or capscrews unless otherwise speci ed in this manual. When
using locking elements, increase torque values by 5%.
* Torque value for bolts and capscrews are identi ed by their head markings.
54
Bolt Torque*
SAE 5 SAE 8
12 9 17
25
19 36
45
33 63
72
53 100
110
80 155 115
155 115 220 165
215
160 305 220
390
290 540 400
570
420 880 650
850
630 1320 970
10.9
(N.m.) (lb-ft)
.4 1.8 1.3
2.2 4.5 3.3
4 9 7
7 15 11
18 35 26
37 70 52
66 125 92
103 200 148
166 310 229
321 610 450
553 1050 774
1103 2100 1550
1917 3675 2710
12
27
45
75