Husqvarna Z248F Owners Manual - Page 32

TECHNICAL DATA Engine crankshaft bolt Deck pulley bolts Lug nuts Blade bolt Torque Specifications 75 ft/lb (102 Nm) 75 ft/lb (102 Nm) 75 ft/lb (102 Nm) 60 ft/lb (81 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) 1912 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 33 35.2 48 43.5 59 62.2 84 70.5 96 100 136 108 146 147 199 142 193 202 274 195 264 275 373 276 374 390 529 353 478 498 675 530 719 735 996 Grade 12.9 ft./lbs Nm 2.7 3.7 5.2 7 8.2 11 15 20 21.8 30 43.5 59 75 102 119 161 176 239 242 328 330 447 471 639 596 808 904 1226 32