GE ASTAT XL Series Testing, Troubleshooting And Servicing Instructions page 41

6.1.2 SCRs to Heatsink
Model
QLxxB0023D
QLxxB0043D
QLxxB0050D
QLxxB0053D
QLxxB0076D
QLxxB0097D
QLxxB0100D
QLxxB0105D
QLxxB0145D
QLxxB0170D
QLxxB0200D
QLxxB0220D
QLxxB0255D
QLxxB0350D
QLxxB0425D
QLxxB0500D
QLxxB0580D
QLxxB0700D
QLxxB0820D
QLxxB0920D
QLxxB1000D
QLxxX0255D
QLxxX0360D
QLxxX0380D
QLxxX0430D
QLxxX0620D
QLxxX0650D
QLxxX0790D
QLxxX0930D
QLxxX1200D
QLxxX1410D
QLxxX1600D
40
ASTAT XL Service Manual
Bolt size
M5x16
M5x20
M6x30
Not required
M5x20
Not required
DET-813
Appendix
Torque (Nm)
5
5
5
Not required
4
Not required