GE Healthcare · MR
The Final Temperature of the Leybold Coldhead is too high or the Cool Down Time is too long.
Symptom
The Final Temperature of the Leybold Coldhead is too high or the Cool Down Time is too long.
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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