CEBORA S.p.A.
35
3.6
- Kit igbt, code 5.710.511 replace instructions.
3.6.1
- Removing igbt modules from heatsink and preparing heatsink.
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Remove the two igbt modules.
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Remove the two thin sheets of metal Therm-strate covered with grease and inserted between
the heatsink and the igbt modules.
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Clean the dissipater to remove the residue left by the metal sheet Therm-strate, using a rag
soaked in denatured alcohol. No residue must be left on the heatsink which must be perfectly
clean.
3.6.2
- Apply the igbt to the heatsink.
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Take the Therm-strate sheet (code 3085413), being careful not to crease it, gently remove the
two protective films to uncover the two layers of thermally conductive grease with your
hands; also take care not to contaminate it with dust or dirt.
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Apply the Therm-strate sheet on the dissipater in place of those previously removed.
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Make sure that the bottom part of the igbt modules (metal base) is perfectly clean.
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Apply the igbt module over the Therm-strate sheet.
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Insert the two holding screws (A and B) and turn them without tightening completely.
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Continue tightening the screws by degrees, alternatively.
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Caution! The tightening torque of the screws must be between 3 and 5 Nm.
3.302.191
15/02/05
