Recommended Torques; General; Sae Bolts; Metric Bolts - MacDon M150 Assembly Instructions Manual

RECOMMENDED TORQUES

A. GENERAL
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 throughout this
manual.
•
Check tightness of bolts periodically, using
bolt torque chart as a guide.
•
Replace hardware with the same strength
bolt.
•
Torque figures are valid for non-greased or
non-oiled threads
otherwise specified. Do not grease or oil
bolts or capscrews unless specified in this
manual. When using locking elements,
increase torque values by 5%.
B. SAE BOLTS
BOLT
SAE 5
DIA. "A"
in.
ft·lbf
1/4 9
5/16 18
3/8 32
7/16 50
1/2 75
9/16 110
5/8 150
265
3/4
7/8 420
1 640
* Torque categories for bolts and capscrews are identified by their
head markings.
Form # 169018
and heads unless
NC BOLT TORQUE*
SAE 8
N·m ft·lbf N·m
12 11 15
34
24 25
56
43 41
68 70 95
102 105 142
149 149 202
203 200 271
359
365 495
569 600 813
867 890 1205
SAE-5 SAE-8
C. METRIC BOLTS
BOLT
DIA. "A"
ft·lbf
M3 0.4
M4 2.2
M5 4
M6 7
M8 18
M10 37
M12 66
M14 103
M16 166
M20 321
M24 553
M30 1103
M36 1917
* Torque categories for bolts and capscrews are identified by their
head markings.
4
NC BOLT TORQUE*
8.8 10.9
ft·lbf
N·m N·m
0.5 1.3 1.8
3 3.3 4.5
6 7
10 11 15
25 26 35
50 52 70
90 92 125
140 148 200
225 229 310
435 450 610
750 774 1050
1495 1550 2100
2600 2710 3675
8.8 10.9
Model Year - 2009
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