Komatsu 82E Series - Tightening Torque

8-6 82E-5 – 98E-5 SERIES
8. TURBOCHARGER
8.2.2 Tightening torque
RHB31/ RHB51 type
Nm {kgcm}
Part Thread diameter
Tightening torque
RHB31 RHB51
Waste gate actuator set bolt M5 3.9 – 4.9 {40 – 50} 3.9 – 4.9 {40 – 50}
Lock plate set bolt
M6 11.8 – 12.8 {120 – 130} 11.8 – 12.8 {120 – 130}
M8 11.8 – 12.8 {120 – 130} 27.0 – 28.9 {275 – 295}
Thrust bearing set screw M3 1.2 – 1.4 {12 – 14} 1.2 – 1.4 {12 – 14}
Seal plate set screw M3 1.2 – 1.4 {12 – 14} 1.2 – 1.4 {12 – 14}
Blower impeller set nut
(left-handed screw)
M5 0.9 – 1.1 {9 – 11} 1.8 – 2.2 {18 – 22}