Performed continuity test at Cyclotron center post with RH and Operations group members using the service bridge,
tool trolley, and probe attachment on 2017-03-03.
Lower tank:
Quad #1: All six plates PASSED.
Quad #2: All eight plates PASSED.
Quad #3: All six plates PASSED.
Quad #4: All eight plates PASSED.
Upper tank:
Quad #1: Had some repeat-ability challenges with all six screw-heads/wires. Retest required.
Quad #2: All eight plates PASSED.
Quad #3: All six screw-heads PASSED.
Quad #4: All eight plates FAILED. Retest required.
Performed extra continuity test at Cyclotron center post with RH and Operations on 2017-03-06: achieved a
successful test on all upper quad #1 and #4 screws/plates. One unconfirmed explanation for the successful retest
is that the multimeter cable was firmly grounded against the computer monitor rack in the RH service bridge
control room (see attached picture), which may not have been the case during the initial test. |