Pharmacia FRAC-100 Operating and safety instructions

GE Healthcare
Instructions 59-6144-00 AK
FRAC-100
Replacing the tube sensor (19-7815-02)
Dismounting
1. Disconnect the two cables (8).
2. Dismount the snap ring (7).
3. Release the flat cable and connector (1) from the arm.
4. Remove the cover (3).
5. Support the arm and the tube sensor from underneath
and with a screwdriver or similar, press on top of
sensor shaft (2) until it comes free from the snap
ring (4).
6. Pull the tube sensor out of the hole and unhook the
spring (6).
Fig 1.
Fig 2.
Fig 3.

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59-6144-00 AK 12/2006
Elanders Östervåla 2007
Fig 4.
Remounting
1. New types of tube sensor connector are bigger than
old ones. Therefore use a knife to cut off the edge of
the round pin which normally holds the old connector
in place (Figs 2 and 3).
2. Hook the spring (6) onto the tube sensor (5). Use a pair
of pliers to keep the snap ring (4) to the bottom of the
hole. Then, from underneath, press the tube sensor
upwards into place.
3. Remount the cover (3). Put the flat cable with its
connector (1) back into the arm. Reversing the method
used when it was dismounted, but do not fit the snap
ring yet.
4. Connect the two cables (8) to the connector (1).
5. Check that the tube sensor is not hindered in its
movement by the flat cable.
6. Secure the connector in place with a fast drying glue
or silicone compound. (Fig 4.)
Note: Use only silicone compound free from acetum.
(Dow Corning: RTV 3140 or similar.)
7. Mount the snap ring, just to ensure an extra fixing of
the connector.