Preventive Maintenance - GE SENOGRAPHE DMR+ Technical Publications

GE Medical Systems
REV1
SECTION 2

PREVENTIVE MAINTENANCE

TABLE 3–1
MAINTENANCE PROGRAM
Description
Elevator
Compression system
Arm
Image quality
Miscellaneous
Note:
Despite its inherent qualities, the Senographe "DMR" requires minimum maintenance. A
maintenance program, whose frequency varies according to the type of use of the
equipment, is outlined in Table 3–1.
Frequency
Type of use
Diagnostic Screening
15000 15000
exposures exposures
or or
6 months 3 months
15000 15000
exposures exposures
or or
6 months 3 months
90000 90000
exposures exposures
or or
3 years 18 months
One GEMS Service Engineer is required for a three-hour visit once a year.
-Check belt tension.
-Lubricate elevator movement screw (grease bearings).
-Check elevator movement speed.
-Check belt tension.
-Lubricate compression bar (grease bearings).
-Check compressive force calibration.
-Check maximum compressive force (20 daN).
-Check limit force of programmed compression.
-Check resistance of belts in decompression.
-Check thickness measurement in compression.
-Check brake in rotation.
-Check locking between tube-support arm and
-Check field covered by x-ray beam.
-Check field covered by centering light.
-Measure half-value layer.
-Measure the dose.
-Check density (reference exposure).
-Clean SID and format detectors.
-Inspect accessories (including grids).
-Replace the two belts of compression system.
-Replace batteries in two microprocessor boards.
3-4
SENOGRAPHE DMR+
om 5128689-2-100
Procedure
receptor-support arm