GE Healthcare · MR13098998
Unable to Inject Current into T2-2 Shim Coil during Supercon LVShim.
Symptom
Unable to Inject Current into T2-2 Shim Coil during Supercon LVShim. Unable to Shim X Harmonic The Field Engineer was unable to engage the X correction (T2-2) coil during the supercon LVShim procedure. He was not able to inject current into it. This harmonic could be shimmed using Gradshim only. This coil has a major contribution to the overall homogeneity of the magnet. PQR 13098998.
Applies to
- Product
- Magnet S3. Software Version Concept should NOT be selected for Magnet Products Serial # (Dxxx) Field strength: 1.5 T LHe Boiloff Rate: Serial # (Dxxx) Field strength: 1.5 T LHe Boiloff Rate:< 0.2 liters/hr He Vessel Pressure:0.25 to 0.5 psig F1 Flow:0.4 to 0.6 SCFH F2 Flow:1.5 to 2.0 SCFH 1st Stage:40 to 58 Kelvin 2nd Stage:7 to 17 Kelvin Min. LHe Fill Level:30% (3 Dewar Fills) Min. LHe Fill Level:50% (2 Dewar Fills) Min. LHe Ramp Level:75% Min. LHe Shim Level:50% Helium Volume:1188 Liters (SIII) Burst Disk (integral gaskets) :2194545-4 Baffle Assy:46-318035G1 Shim Lead:46-260815G1 Shim Lead Large 5/8:46-318096G
- Area
- MR
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