IHI IC75, Operation Manual, Page: 76 / 106

MAINTENANCE
IC75 ENG 4-12
General torque specifications
Tighten bolts and nuts not shown above at the torques shown in the table below.
Tightening torque High-pressure hose union nut
Metric coarse
thread heat-
processed bolt
Metric fine thread
heat-processed bolt
Tightening
torque
Bolt
size
Wrench
size
(mm)
(N·m) (kgf·m) (N·m) (kgf·m)
Hose size
(inch)
(N·m) (kgf·m)
M8 13 23 2.3 25 2.5 1/4" 25 2.5
M10 17 47 4.8 50 5.1 3/8" 49 5.0
M12 19 83 8.5 91 9.3 1/2" 59 6.0
M14 22 134 13.7 135 13.8 3/4" 118 12.0
M16 24 208 21.2 221 22.5 1" 137 14.0
M20 30 411 41.9 452 46.1 1-1/4" 167 17.0
M24 36 715 72.9 811 82.7