Index JAC Engine JAC HFC4DA1-2C - service and repair manual
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Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
11 No. Description N.m 58 Tightening socket nut 30 59 Bolt and nut of starter motor 81 60 Fixing nut of starter cable 9 61 Exhaust branch pipe bolt 30 62 Bolt of heat shield 25 63 Support bolt 40 64 Front exhaust pipe nut
40 65 Crankshaft belt pulley bolt 210 66 Exhaust pipe nut
67 67 Torque of engine bracket bolt M10:40 M12:69 68 Cylinder head cover nut 13 69 Connecting nut between turbocharger and exhaust manifold 25 70 Connecting bolt between exhaust manifold and cylinder head 30 71 Bolt of exhaust pipe heat shield 25 72 Connecting bolt of turbocharger air bleeding pipe 25 73 Perforated bolt of lubricating oil pipe M12:41 M14:55 Comparison Table for Standard Bolt Specification and Tightening Torque ☆
Bolt Identification Torque (N.m) Specification
Less than grade 8.8 (low carbon steel)
Grade 8.8 (High carbon steel)
Grade 10.9 (Alloy steel)
M6×1.0 4~8 5~10 ....... M8×1.25 8~18 12~23 17~31 M10×1.25 21~35 28~47 38~64 M10×1.5 20~34 28~46 37~61 M12×1.25 50~75 62~93 77~116 M12×1.75 46~70 58~86 73~109 M14×1.5 78~117 95~142 116~174 M12×2.0 73~109 90~134 109~163 M16×1.5 106~160 138~208 163~245 M16×2.0 102~152 132~198 156~234 M18×1.5 154~230 199~299 234~352 M20×1.5 210~316 275~413 323~485 |