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TROUBLESHOOTING & REPAIR
PRO-CUT 60
F-45
SCR MODULE REMOVAL
b. Rinse the heat sink surface
with alcohol or acetone.
c. Apply a .002” to .005” coat of
joint compound evenly to the
heat sink mounting surface
and the SCR Module
mounting surface. Use
Lincoln Joint Compound
T12837, or equivalent, such
as Dow Corning #340.
d. Press the SCR Module onto
the heat sink surface.
Remove the module to make
sure enough joint compound
has been applied. When
removed, both surfaces
should have an even texture
with no bare spots. If this
even-textured look does not
appear, re-apply the joint
compound.
e. Mount the SCR Module on
the heat sink with the 4mm
socket head cap screws to
35 in/lbs (3.9 N.M.). Partially
tighten each cap screw one
at a time to avoid uneven
torque on the base plate.
8. Install Power Board. See
POWER BOARD REMOVAL/
REPLACEMENT PROCEDURE.