Husqvarna PZ7234FX Owners Manual - Page 60
Torque Specifications, HEX HEAD CAP SCREWS, U.S. Standard Hardware
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TECHNICAL DATA Torque Specifications Engine crankshaft bolt Deck pulley bolts Lug nuts Blade bolt 50 ft/lb (67 Nm) 150 ft/lb (203 Nm) 75 ft/lb (100 Nm) 90 ft/lb (122 Nm) Standard ¼" fasteners Standard 5/16" fasteners Standard 3/8" fasteners Standard 7/16" fasteners Standard ½" fasteners 9 ft/lb (12 Nm) 18 ft/lb (25 Nm) 33 ft/lb (44 Nm) 52 ft/lb (70 Nm) 80 ft/lb (110 Nm) HEX HEAD CAP SCREWS The torque values shown should be used as a general guideline when specific torque values are not given. Grade U.S. Standard Hardware SAE Grade 5 SAE Grade 8 Size ft./lbs Nm ft./lbs Nm ¼ 9 12 13 18 Shank Size (Diameter in inches, fine or coarse thread) 5/16 18 24 28 38 3/8 31 42 46 62 7/16 50 68 75 108 ½ 75 102 115 156 9/16 110 150 165 224 5/8 150 203 225 305 ¾ 250 339 370 502 7/8 378 513 591 801 11/8 782 1060 1410 1912 ** Grade 5 - Minimum commercial quality (lower quality not recommended) Flangelock Screw w/Flangelock Nut ft./lbs Nm 24 33 40 54 Shank Size (Diameter in inches, fine or coarse thread) Grade Size M4 M5 M6 M7 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 Metric Standard Hardware Grade 8.8 Grade 10.9 ft./lbs Nm ft./lbs Nm 1.5 2 2.2 3 3 4 4.5 6 5.2 7 7.5 10 8.2 11 12 16 13.5 18 18.8 25 24 32 35.2 47 43.5 58 62.2 83 70.5 94 100 133 108 144 147 196 142 190 202 269 195 260 275 366 276 368 390 520 353 470 498 664 530 707 474 996 Grade 12.9 ft./lbs Nm 2.7 3.6 5.2 7 8.2 11 15 20 21.8 29 43.5 58 75 100 119 159 176 235 242 323 330 440 471 628 596 794 904 1205 60