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TROUBLESHOOTING & REPAIR
PRO-CUT 60
F-44
SCR MODULE REMOVAL
REMOVAL/REPLACEMENT
PROCEDURE
NOTE: See Figure F.16.
1. Disconnect input power to the
machine.
2. Remove the Left Case Side
assembly.
3. Perform the CAPACITOR
DISCHARGE PROCEDURE.
4. Perform the POWER BOARD
REMOVAL PROCEDURE.
5. Remove the two socket head
cap screws of the top SCR
module using a 4mm Allen-type
wrench.
6. Remove the SCR module from
the heat sink.
7. Remove the second SCR mod-
ule following Steps # 5 and # 6.
8. Install the replacement SCR
Modules. Procedure is the same
for both SCR modules.
a. Clean the heat sink surface
with “000 fine steel wool.
SCR
MODULES
SOCKET HEAD
CAP SCREWS
TORQUE TO
35 IN/LBS
(3.9 N/M)
FIGURE F.16-SCR Module Location with Power Board Removed