Komatsu — CONTENTS

FOREWORD STANDARD TIGHTENING TORQUE STANDARD TIGHTENING TORQUE STANDARD TIGHTENING TORQUE TABLE (WHEN USING TORQUE WRENCH) ! In the case of metric nuts and bolts for which there is no special instruction, tighten to the torque given in the table below. Sealing surface TABLE OF TIGHTENING TORQUES FOR FLARED NUTS ! In the case of flared nuts for which there is no special instruction, tighten to the torque given in the table below.

SAD00483 00-12 Thread diameter of bolt Width across flats Tightening torque mm mm Nm kgm 6 8 10 12 14 10 13 17 19 22 11.8 – 14.7 27 – 34 59 – 74 98 – 123 153 – 190 1.2 – 1.5 2.8 – 3.5 6 – 7.5 10 – 12.5 15.5 – 19.5 16 18 20 22 24 24 27 30 32 36 235 – 285 320 – 400 455 – 565 610 – 765 785 – 980 23.5 – 29.5 33 – 41 46.5 – 58 62.5 – 78 80 – 100 27 30 33 36 39 41 46 50 55 60 1150 – 1440 1520 – 1910 1960 – 2450 2450 – 3040 2890 – 3630 118 – 147 155 – 195 200 – 250 250 – 310 295 – 370 Thread diameter of bolt Width across flats Tightening torque mm mm Nm kgm 6 8 10 12 10 13 14 27 5.9 – 9.8 13.7 – 23.5 34.3 – 46.1 74.5 – 90.2 0.6 – 1.0 1.4 – 2.4 3.5 – 4.7 7.6 – 9.2 Thread diameter Width across flat Tightening torque mm mm Nm kgm 14 18 22 24 30 33 36 42 19 24 27 32 36 41 46 55 24.5 ± 4.9 49 ± 19.6 78.5 ± 19.6 137.3 ± 29.4 176.5 ± 29.4 196.1 ± 49 245.2 ± 49 294.2 ± 49 2.5 ± 0.5 5 ± 2 8 ± 2 14 ± 3 18 ± 3 20 ± 5 25 ± 5 30 ± 5