Husqvarna MZ 61 Owners Manual - Page 35

TECHNICAL DATA Engine crankshaft bolt Deck pulley bolts Lug nuts Blade bolt Torque Specifications 50 ft/lb (67 Nm) 75 ft/lb (100 Nm) 75 ft/lb (100 Nm) 55 ft/lb (75 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) Accessories Collection system 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 ft./lbs Nm 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 24 33 3/8 31 42 46 62 40 54 7/16 50 68 75 102 ½ 75 102 115 156 9/16 110 149 165 224 5/8 150 203 225 305 ¾ 250 339 370 502 7/8 378 512 591 801 11/8 782 1060 1410 ** Grade 5 - Minimum commercial quality (lower quality not recommended) Metric Standard Hardware 1912 Grade Grade 8.8 Grade 10.9 Grade 12.9 Size ft./lbs Nm ft./lbs Nm ft./lbs Nm M4 1.5 2 2.2 3 2.7 3.7 Shank Size (Diameter in inches, fine or coarse thread) 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 30 M10 24 33 35.2 48 43.5 59 M12 43.5 59 62.2 84 75 102 M14 70.5 96 100 136 119 161 M16 108 146 147 199 176 239 M18 142 193 202 274 242 328 M20 195 264 275 373 330 447 M22 276 374 390 529 471 639 M24 353 478 498 675 596 808 M27 530 719 735 996 904 1226 35