MAGNETOM M7-000.664.01.04.02 Page 12 of 14 © Siemens, 2009
03.12 CS SD MR
12 Operator Responsibilities for Maintenance
LCD color display Optimum function
within specifications
Check/adjust according to specifica-
tions
Annually
Phantom Safety of patient, per-
sonnel, system, and
environment
Phantoms cannot have any defects or
air bubbles. Replace or refill as neces-
sary.
Annually
Examination room door Preventive measure to
avoid wear and tear
22
Magnet Optimum function
within specifications
Safety of patient, per-
sonnel, and system
Check/set pressure on magnet and
compressor
Annually
LHe Refill n.a.
3
Check/Replace
4
the cold head n.a.
Helium compressor Optimum function
within specifications
Check for leaks Annually
Adsorber Optimum function
within specifications
Replace adsorber Every
3years
Patient table Preventive measure to
avoid wear and tear
Check the hydraulic system
Check/refill hydraulic oil
Annually
Object or function Reason What is checked: Interval
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