MAINTENANCE
IC120 ENG
4-12
General torque specifications
Tighten the bolts and nuts other than the especially-tightened bolts and nuts at the torques
shown below.
10T bolt tightening torque
High-pressure hose union nut
Metric coarse
thread heat-treated
bolt
Metric fine thread
heat-treated 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