GE ASTAT XL Series - 6 Appendix; Bolt Tightening Torques

Appendix ASTAT XL Service Manual
6 Appendix
6.1 Bolt Tightening Torques
When assembling soft starter components, each bolt should be tightened using a calibrated torque
driver set to the appropriate assembly torque. The following tables indicate the different types of bolts
and bolt tightening torques for each assembly.
6.1.1 Input/Output Busbars to SCRs
Model
Bolt size
Torque (Nm)
QLxxB0023D
QLxxB0043D
QLxxB0050D
M5x12
4
QLxxB0053D
QLxxB0076D
QLxxB0097D
QLxxB0100D
M6x16
4
QLxxB0105D
QLxxB0145D
M6x16
5
QLxxB0170D
QLxxB0200D
M8x20
9
QLxxB0220D
QLxxB0255D
QLxxB0350D
M10x20
12
QLxxB0425D
QLxxB0500D
QLxxB0580D
QLxxB0700D
M8x25
20
QLxxB0820D
QLxxB0920D
QLxxB1000D
QLxxX0255D
M8x20
8
QLxxX0360D
QLxxX0380D
QLxxX0430D
QLxxX0620D
M8x16
12
QLxxX0650D
QLxxX0790D
QLxxX0930D
QLxxX1200D
QLxxX1410D
M10x35
20
QLxxX1600D
DET-813 39