B. Braun 871 5416, Service Manual

Page: 52 / 86

Unit Elements
4
4 - 12 Infusomat® fmS 2.3 gb
4.9 Pump Unit Designation Ord. No.
Finger pump (without motor) including pump, . . . . . 3450 1738
pump cover, seal membrane and boards
Finger pump (without motor and board) . . . . . . . . . . . 3450 9038
incl. pump, pump cover,
and seal membrane
Membrane incl. seal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3450 5733
Motor with pinion for finger pump. . . . . . . . . . . . . . . . 3450 1924
Exchange
1. Remove battery (see „Battery“
➪
p. 4 - 1) .
2. Dismount cover (see „Housing and Handle“
➪
p. 4 - 4) .
3. Disassemble front frame (see „Front Frame“
➪
p. 4 - 11) .
4. Loosen motor screws, pull off motor connector and remove
motor from pump unit.
Note
Do not loosen the assembly screw on the lower pressure sensor
board! Otherwise the pump has to be recalibrated with a 4mm
gauge.
5. Pull off connector from controller board.
6. Press down snap-in pins (from the inside) and tilt pump for-
ward and unhinge.
7. Assembly is done in reverse order.
Note
Be sure that the cable of the Reed sensor and air inline sensor do
not hinder the function of the pressure sensor and the monitoring
of the motor speed (slot disc).
The complete pump unit (pump without motor, pump cover,
membrane, boards) was calibrated by B.Braun. After a complete
exchange the unit data and user data must be entered in the Serv-
ice Program again as the data memory is on the pump board:
8. Enter unit and user data in the EEPROM.
- Serial number according to the type plate
- DIANET type number according to the type plate
If necessary enter:
- Drug name
- Ward identification
- Alarm tone
- Delivery rate min./max.
Fig.: 4 - 13
Cable tie
Motor
M3x6
Reed sensor
Pump unit
Snap-in pin