Recommended Torques; General; Sae Bolts; Metric Bolts - MacDon M100 Unloading And Assembly Instructions

Self-propelled windrower
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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
NC BOLT TORQUE*
BOLT
DIA. "A"
SAE 5
in.
lbf·ft
1/4
9
5/16
18
3/8
32
7/16
50
1/2
75
9/16
110
5/8
150
3/4
265
7/8
420
1
640
* Torque categories for bolts and capscrews are identified by
their head markings.
Form # 169390
and
heads
unless
SAE 8
N·m
lbf·ft
N·m
12
11
15
24
25
34
43
41
56
68
70
95
102
105
142
149
149
202
203
200
271
365
495
359
569
600
813
867
890
1205
SAE-5
SAE-8
C. METRIC BOLTS
BOLT
DIA. "A"
lbf·ft
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.
5
NC BOLT TORQUE*
8.8
10.9
N·m
lbf·ft
0.5
1.3
3
3.3
6
7
10
11
25
26
50
52
90
92
140
148
225
229
435
450
750
774
1050
1495
1550
2100
2600
2710
3675
Model Year - 2010
N·m
1.8
4.5
9
15
35
70
125
200
310
610

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