Fronius Primo serie Serviceanleitung, Ersatzteilliste Seite 141

(9)
(6)
(5) (5) (2) (5) (3)
IMPORTANT! When installing the new PC
board, ensure that the heat transfer paste
on the modules (9) is not scratched or re-
moved.
Position the new PC board on the heat
3
sink
NOTE! To avoid creating mechan-
ical stresses, the screws should
first be tightened to 0.5 Nm then
subsequently to 2.0 Nm.
Screw the module onto the heat sink
4
with 4 x 4x9 mm TX20 screws (6).
Tightening torque = 0.5 Nm
Tighten the 4x 4x9 mm TX20 screws
5
(6) to 2.0 Nm.
Fix the PrimoPS PC board with 14 x
6
4x9 mm TX20 screws (5)
Tightening torque = 2 Nm.
Reattach all cables (2)–(4) to the Pri-
7
moPS.
(5) (4) (5)
141