Ethicon Gynecare ThermaChoice II, Руководство по обслуживанию, Страница: 35 / 52

ThermaChoice UBT System Service Manual 4 - 9
P/N 01035 Rev. C
Removal:
1.
Using the Oval security screwdriver, remove the four fasteners securing the upper
half of the case and remove the upper half of the case.
2. Disconnect the two fast-on connectors from the Power Entry Module.
3. Disconnect the Power Entry Cable from the Power Supply.
4. Using a 3/32" Allen wrench, remove the two 4-40 socket head cap screws from the
ISO box.
5. Remove the ISO box cover.
6. Remove the ISO Board by lifting vertically, and place it parallel to the front bezel.
7. Using the 5/64" Allen wrench, remove 5 fasteners that retain the ISO box base to the
chassis.
8. Remove the ISO box base from the chassis.
9. Disconnect the MDU motor tachometer Cable from the AUX Board – JP1 position.
10. Disconnect the two fast-on connections from the CCS Switch.
11. Using the #1 Phillips screwdriver, remove the fastener securing the Surge Arrestor
Ground and Patient Cable Ground from the MDU mounting bracket.
12. Put controller unit on its right side.
13. Follow the procedure described in steps 8 and 9 in the ISO Board removal section for
the removal of the springs and retention pin on the circulation connector.
14. Set the controller unit on its base.
15. Using a 5/64" Allen wrench, remove the four fasteners and 8 washers securing the
MDU to the lower case.
16. Raise the MDU unit from the lower case approximately ½ in. and slide back towards
the rear panel, sufficiently for the circulation connection to clear the front bezel.
17. Note: reassemble circulation connector prior to depot repair.
Replacement:
1.
Insert the circulation connector through the front bezel hole.
2. Align the isolation washers over the threaded PEM studs and then lower it into the
case.
3. Using the 5/64" Allen wrench, install the 8 washers and 4 fasteners. Sequence: large
washer first, then small washer, followed by the fastener with the Loctite adhesive
#425. Torque the fasteners to 99 – 101 in./oz.
4. Install springs and retention pin into the circulation connector.
5. Depressing the retention pin into the circulation connector, install slide lock with the
tab towards bezel so that the retention pin engages the slide lock and the two springs
are retained.