Service manual

66 Infant Flow
®
SiPAP
675-120 Revision D May 2005
Removal and Fitting of the Fuel Cell
Refer to Figure 16.
Removal
1 Remove the case.
2 Disconnect the connector SK12 (1) from the top of the fuel cell.
3 If necessary, remove the screw (2) securing the C clip (3) and release the C
clip securing the cable (cable 7) and the ferrite.
4 Unscrew the fuel cell (4) from the flow mixer block (5).
Note
The fuel cell is installed finger tight, but it may be necessary to use a suitable wrench
on the flats at the top of the fuel cell to remove it. The leak compensation pipe (6)
can also be disconnected from the elbow to gain access.
5 Discard the fuel cell (4) and attached O-ring.
Note
Exhausted batteries and oxygen fuel cells both contain lead and must be disposed of
according to local regulations.
Fitting
1 Check the expiration date of the new fuel cell. Remove the fuel cell from the
sealed package and check that the fuel cell has an O-ring installed above the
threads.
2 Screw the fuel cell (4) into the flow mixer block (5) and tighten finger tight.
3 If removed, secure the cable (cable 7) and the ferrite with C clip (3) and the
screw (2).
4 5 Connect the connector SK12 (1) to the fuel cell.
5 Refit the case.
6 Carry out an Oxygen Leak check (see Appendix A - Oxygen Leak Test) and
functional check of the IFSD and calibrate the fuel cell.