FOREWORD STANDARD TIGHTENING TORQUE TIGHTENING TORQUE FOR 102 AND 114 ENGINE SERIES 1) BOLT AND NUTS Use these torques for bolts and nuts (unit: mm) of Cummins Engine. 2) EYE JOINTS Use these torques for eye joints (unit: mm) of Cummins Engine. 3) TAPERED SCREWS Use these torques for tapered screws (unit: inch) of Cummins Engine. TIGHTENING TORQUE TABLE FOR HOSES (TAPER SEAL TYPE AND FACE SEAL TYPE) ! Tighten the hoses (taper seal type and face seal type) to the following torque, unless otherwise specified. ! Apply the following torque when the threads are coated (wet) with engine oil.
00-14 Thread diameter Tightening torque mm Nm kgm 6 8 10 12 10 0 2 24 0 4 43 0 6 77 0 12 1.02 0 0.20 2.45 0 0.41 4.38 0 0.61 7.85 0 1.22 Thread diameter Tightening torque mm Nm kgm 6 8 10 12 14 8 0 2 10 0 2 12 0 2 24 0 4 36 0 5 0.81 0 0.20 1.02 0 0.20 1.22 0 0.20 2.45 0 0.41 3.67 0 0.51 Thread diameter Tightening torque inch Nm kgm 1 / 16 1 / 8 1 / 4 3 / 8 1 / 2 3 / 4 1 3 0 1 8 0 2 12 0 2 15 0 2 24 0 4 36 0 5 60 0 9 0.31 0 0.10 0.81 0 0.20 1.22 0 0.20 1.53 0 0.20 2.45 0 0.41 3.67 0 0.51 6.12 0 0.92 Nominal size of hose Width across flats Tightening torque (Nm {kgm}) Taper seal type Face seal type Range Target Thread size (mm) Nominal thread size - Threads per inch, Thread series Root diameter (mm) (Reference) 02 19 34 – 54 {3.5 – 5.5} 44 {4.5} – 9 — – 18UN 16 14.3 34 – 63 {3.5 – 6.5} 44 {4.5} 14 – – 03 22 54 – 93 {5.5 – 9.5} 74 {7.5} – 11 — – 16UN 16 17.5 24 59 – 98 {6.0 – 10.0} 78 {8.0} 18 – – 04 27 84 – 132 {8.5 – 13.5} 103 {10.5} 22 13 — – 16UN 16 20.6 05 32 128 – 186 {13.0 – 19.0} 157 {16.0} 24 1 – 14UNS 25.4 06 36 177 – 245 {18.0 – 25.0} 216 {22.0} 30 3 1 — – 12UN 16 30.2 (10) 41 177 – 245 {18.0 – 25.0} 216 {22.0} 33 – – (12) 46 197 – 294 {20.0 – 30.0} 245 {25.0} 36 – – (14) 55 246 – 343 {25.0 – 35.0} 294 {30.0} 42 – –