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Before replacing the primary power 
module, the primary rectifier should be 
checked - the value of the diode path 
must be between 200 mV and 800 mV
Replacing the primary rectifier:
Undo the five 5x10 TX25 screws (7) on 
the cable connections to the primary 
rectifier
Undo the two 5x16 TX25 screws (8) 
and remove the primary rectifier
Clean the cooling element, making 
sure to remove all the heat transfer 
medium residue
Remove the blister packaging from the 
primary rectifier
(L3)
(L1)
(L2)
(+)
(-)
8
(8) (7) (8)
1
2
3
NOTE! The PCM material of the 
primary rectifier must not be 
scratched or removed
4