Chassis Leakage Current Test - GE LOGIQ 500 Service Manual

GE MEDICAL SYSTEMS
REV 10
7–3–3 Chassis Leakage Current Test (Continued)
Meter Procedure
Follow these steps to test the unit for leakage current.
1. Turn the LOGIQ 500 unit OFF.
2. Plug the unit into the meter, and the meter into the tested AC wall outlet (Refer to ILLUSTRATION 7–6).
3. Plug the black chassis cable into the meter's "CHASSIS" connector and attach the black chassis cable clamp to
an exposed metal part of the LOGIQ 500 unit (Refer to ILLUSTRATION 7–6).
4. Set the tester's "FUNCTION" switch to CHASSIS position.
5. Follow the test conditions described in the following table for every test point on the unit.
TEST
6. Keep a record of the results with other hard copies of PM data kept on site.
GROUND AND CHASSIS LEAKAGE CURRENT TEST
ILLUSTRATION 7–6
TABLE 7–1
CHASSIS LEAKAGE CURRENT TEST CONDITIONS
1 Mounting screw for transducer receptacle
2 Wheel support
3 Mounting screw for CRT housing
4 Mounting screw for peripheral plugged into unit
5 Mounting screw for other peripheral powered by unit
CONDITION
7–10
LOGIQ 500 SERVICE MANUAL
P9030TA
PERIODIC MAINTENANCE