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IMPORTANT! When inserting the new PC 
board, ensure that the heat-conducting 
paste on the modules (9) is not scratched or 
removed.
Place the new PC board on the heat 
sink
Screw the modules onto the heat sink 
using four 4x9 mm TX20 screws (6).
Tightening torque = 0.5 Nm
Retighten the four 4 x 9 mm TX20 
screws (6) to 2.0 Nm.
Screw the PrimoPS PC board into pla-
ce using 14 4x9 mm TX20 screws (5)
Tightening torque = 2 Nm
Reconnect all the cables (2) - (4) to the 
PrimoPS PC board
Feed the LVRT cable into the ferrite 
ring
(9)
3
(6)
NOTE! To avoid mechanical 
stress, first tighten the screws with 
a tightening torque of 0.5 Nm, then 
retighten to 2.0 Nm.
4
5
(2) (3) (4) (5)(5)(5) (5)(5)
6
7
8