Husqvarna MZ52LE Operator's Manual

53TECHNICAL DATAHex Head Cap ScrewsThe torque values shown should be used as a general guideline when specific torque values are not given.U.S. Standard HardwareGrade SAE Grade 5 SAE Grade 8 Flangelock Screww/Flangelock NutSize ft./lbs Nm ft./lbs Nm ft./lbs NmShank Size (Diameter in inches, fine orcoarse thread)¼ 9 12 13 185/16 18 24 28 38 24 333/8 31 42 46 62 40 547/16 50 68 75 108½ 75 102 115 1569/16 110 150 165 2245/8 150 203 225 305¾ 250 339 370 5027/8 378 513 591 80111/8 782 1060 1410 1912** Grade 5 - Minimum commercial quality (lower quality not recommended)Metric Standard HardwareGrade Grade 8.8 Grade 10.9 Grade 12.9Size ft./lbs Nm ft./lbs Nm ft./lbs NmShank Size (Diameter in millimeters, fine or coarse thread)M4 1.5 2 2.2 3 2.7 3.6M5 3 4 4.5 6 5.2 7M6 5.2 7 7.5 10 8.2 11M7 8.2 11 12 16 15 20M8 13.5 18 18.8 25 21.8 29M10 24 32 35.2 47 43.5 58M12 43.5 58 62.2 83 75 100M14 70.5 94 100 133 119 159M16 108 144 147 196 176 235M18 142 190 202 269 242 323M20 195 260 275 366 330 440M22 276 368 390 520 471 628M24 353 470 498 664 596 794M27 530 707 474 996 904 1205Torque SpecificationsEngine crankshaft bolt 50 ft/lb (67 Nm)Deck pulley bolts 75 ft/lb (100 Nm)Lug nuts 75 ft/lb (100 Nm)Blade bolt 55 ft/lb (75 Nm)Standard ¼" fasteners 9 ft/lb (12 Nm)Standard 5/16" fasteners 18 ft/lb (25 Nm)Standard 3/8" fasteners 33 ft/lb (44 Nm)Standard 7/16" fasteners 52 ft/lb (70 Nm)Standard ½" fasteners 80 ft/lb (110 Nm)