ABB PVS980-MWS - Tightening Torques

52 Maintenance
Tightening torques
Unless specified otherwise, use the torques given in the tables.
Electrical connections
Torque
Bolts and nuts Steel: A2-70/A4-70/8.8 Brass
M3 0.9 N·m -
M4 2.3 N·m -
M5 4.5 N·m -
M6 8.0 N·m 5.0 N·m
M8 20 N·m 12 N·m
M10 40 N·m 25 N·m
M12 70 N·m 40 N·m
M14 110 N·m 60 N·m
M16 170 N·m 90 N·m
M18 240 N·m 120 N·m
Mechanical connections
(1
Torque
Bolts and nuts Quality 8.8 A2-70/A4-70
M3 1.21 N·m 0.85 N·m
M4 2.78 N·m 0.80 N·m
M5 5.5 N·m 1.60 N·m
M6 9.5 N·m 2.80 N·m
M8 23 N·m 6.8 N·m
M10 46 N·m 14 N·m
M12 79 N·m 24 N·m
M14 127 N·m 37 N·m
M16 198 N·m 56 N·m
M18 283 N·m 81 N·m
M20 402 N·m 114 N·m
1) Not applicable to threaded inserts
Threaded inserts
Bolts and nuts Torque (steel/stainless steel)
M5 7.9 N·m
M6 12 N·m
M8 20 N·m
M10 34 N·m