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GE Healthcare · MR003454

MAGNETS-shim lead pins leak, low magnet pressure

Symptom

MAGNETS Shim Lead pins leak, low magnet pressure. MR-SOLUTION-003454 Magnet pressure is low. FE found leak in the shim lead pins. Magnet is ramped and the FE is unsure if he should rramp down to change out the shim lead.

Applies to

Product
Magnet LCC. Software Version Concept should NOT be selected for Magnet Products Serial #: 1.5T (Rxxx) / 1.0T (Qxxx) He Vessel Pressure:>3 psig but <5 psig Shield Temp:< 55 K Coldhead Temp:> 3.8K but < 4.5K Recondenser Temp:> 4.2K but < 4.55K Delta Temp (Coldhead - Recondensor):> 0 but < 0.3K Min. LHe Fill Level: 50% Min. LHe Ramp Level: 90% Min. LHe Shim Level: 75% Helium Volume:1940 L (1.5T) Helium Volume:1970 L (1.0T) Burst Disk <":2319285 Burst Disk >":2350415 Burst Disk O-ring:46-281101P1 Baffle Assy 2180818 Low Cryogen Consumption
Component
2102832 Small Shim Lead Cap 2102831 Large Shim Lead Cap
Area
MR

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