Husqvarna RZ4219 BF - Technical Data and Specifications; Torque Specifications for Fasteners

TECHNICAL DATA
Engine crankshaft bolt
Deck pulley bolts
Lug nuts
Blade bolt
Standard 1/4"fasteners
Torque Specifications
50 ft/Ib (67 Nm)
150 ft/Ib (203 Nm)
75 ft/Ib (100 Nm)
90 ft/Ib (122 Nm)
9 ft/Ib (12 Nm)
Standard s/16"fasteners
Standard 3/8"fasteners
Standard 7/16"fasteners
Standard 1/2"fasteners
18 ft/Ib (25 Nm)
33 ft/Ib (44 Nm)
52 ft/Ib (70 Nm)
80 ft/Ib (110 Nm)
HEX HEAD CAP SCREWS
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
Size
1A 9 12 13 18
5/1s 18 24 28 38 24 33
o_
o
s 3/s 31 42 46 62 40 54
7/1s 50 68 75 108
1/2 75 _ 102 115 156
.-= 9/ls 110 150 165 224
._ 5/s 150 203 225 305
3A 250 339 370 502
.N_-_ ......
oo 7/s 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
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
o°_ M8 13,5 18 18,8 25 21,8 29
b
MI0 24 32 35,2 47 43,5 58
M12 43,5 58 62,2 83 75 100
E_ M 14 70,5 94 100 133 119 159
E M16 108 144 147 196 176 235
c_
_, M18 142 190 202 269 242 323
._ M20 195 260 275 366 330 440
c]
._ M22 276 368 390 520 471 628
U3
M24 353 470 498 664 596 794
M27 530 707 474 996 904 1205
47