B. Braun 871 5416, Service Manual

Page: 58 / 86

Unit Elements
4
4 - 18 Infusomat® fmS 2.3 gb
4.12 Operating Unit Designation Ord. No.
Membrane keyboard with support plate and seal . . . . 3450 1797
LCD module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450 1819
Frame incl. pressure spring and magnet . . . . . . . . . . . 3450 1827
Round cord 42 mm (5 pcs.) . . . . . . . . . . . . . . . . . . . . . 3477 3347
Circular seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3477 3126
Hinge unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450 5571
Hinge pin (3 mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450 5580
Magnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450 5849
Flex cable, preformed . . . . . . . . . . . . . . . . . . . . . . . . . . 3450 8830
Exchange
1. Remove battery (see „Battery“
➪
p. 4 - 1) .
2. Disassemble door lock.
3. Loosen countersunk screw and bridge.
4. Remove tamper-proof caps (6 pieces) on the door frame by
piercing a screwdriver through the caps and loosen counter-
sunk screws.
5. Unlatch zero insertion force connector and loosen flex cable.
Note
The position of the flex cable must not be changed, i.e. the pre-
formed section must be in the hinge area (pivot). Mark cable, if
necessary.
6. Disassemble either LCD module or support plate with mem-
brane keyboard or door hinge pins respectively and exchange
door frame.
7. Assembly is done in reverse order. Pay attention to the correct
direction of the door hinge pin during assembly.
Note
Do not kink either of the flex cables. Push the contacts to the
stopper of the zero insertion force connector and lock in same po-
sition.
Check
Electrical safety, functional check, pump unit check.
Fig.: 4 - 16
Support plate
Zero insertion
Cable is preformed
LCD module
force connector
Fig.: 4 - 17
Frame operating unit
Hinge pin
6 x PT2.5x14