Torque Specifications - Husqvarna MZ5425S Operator's Manual

TECHNICAL DATA
Torque Specifications
Engine crankshaft bolt
Deck pulley bolts
Lug nuts
Blade bolt
50 ft/Ib (67 Nm)
20 ft/Ib (23 Nm)
75 ft/Ib (100 Nm)
55 ft/Ib (75 Nm)
Standard 1/4" f asteners
Standard 5/16" f asteners
Standard 3/6"fasteners
Standard 7/16" f asteners
Standard 1/2" f asteners
Hex Head Cap Screws
9 ft/Ib (12 Nm)
18 ft/Ib (25 Nm)
33 ft/Ib (44 Nm)
52 ft/Ib (70 Nm)
80 ft/Ib (110 Nm)
The torque values shown should be used as a general guideline when specific torque values are not given,
U.S. Standard Hardware
Grade SAE Grade 5 SAE Grade 8 Flangelock Screw
w/Flangelock Nut
÷ ¼
5/16
8
s/6
o
7/16
1/2
=o
z
Go
9
18
31
5O
75
12
24
42
68
102
13
28
46
75
115
18
38
62
108
156
24
4O
33
54
9/16 . 110 L 150 . 165 _ 224 _
5/6 150 203 225 305
sA 250 339 370 502
7/8
378 513 591 801
11/s 782 1060 1410 1912
** Grade 5 - Minimum commercial quality (lower quality not recommended)
Metric Standard Hardware
Grade Grade 8,8 Grade 10,9 Grade 12,9
m
M4 1,5 2 2,2 3 2,7 3,6
M5 3 4 4,5 6 5,2 7
M6 5,2 7 7,5 10 8,2 11
M7 8,2 11 12 16 15 20
M8 13,5 18 18,8 25 21,8 29
MI0 24 32 35,2 47 43,5 58
M12 43,5 58 62,2 83 75 100
_ M14 70,5 94 100 133 119 159
E
_ M16 108 144 147 196 176 235
-_ M18 142 190 202 269 242 323
M20 195 260 275 366 330 440
M22 276 368 390 520 471 628
M24 353 470 498 664 596 794
Z
M27 530 707 474 996 904 1205
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