GE Healthcare Senographe DS
Revision 1 Service Information and Procedures Class A 2385072-16-8EN
Job Card PM A407 - Check HV Unit
Page no. 1801 Chapter 11
JC-PM-A-407.fm
Job Card PM A407 - Check HV Unit Chapter 11
1SUPPLIES
• HV Grease
• HV Oil
2TOOLS
None
3 REQUIRED EFFORT
Personnel: 1 Field Engineer
Time: 5 minutes
4 SAFETY PRECAUTIONS
WARNING
Before beginning work, shut down the equipment and switch OFF the Senographe hospi-
tal supply circuit breaker. Lock it in the OFF position or mark it clearly with a warning sign
to prevent others from applying power.
NEVER switch off at the UPS except in emergency (risk of data loss).
5 PREREQUISITES
Remove rear and left side covers from Generator and Conditioner Cabinet. Refer to Job Card PHY A042
- Remove/Reinstall Generator Covers on page 513.
6 PROCEDURE
To check the HV Unit, proceed as follows:
1. Remove HV connector and visually inspect earth
braid continuity.
2. Check presence of oil or grease in HV connector.
If necessary, add the appropriate product.
3. Reconnect HV connector and secure the locking
screw.
4. Check for presence of oil leakage around the
connectors on the top of the HV unit. If there is
oil leakage, replace the HV unit as per D/R Job
Card HV and kV/mA Tank.
5. Check that vent screw is open.
6. Perform a visual check of connectors on HV unit.
Vent Screw
HV Connector
XJ2
XJ1
XJ3
700-PL1
HV Measurement
Primary Winding
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