Drawn up by:
2012-04-11 / RK
HI-SR 540 USA
Revision:
01
Reviewed:
Page:
13 of 23
6.3 Maintenance schedule
The schedule represents the minimum
requirements for maintenance routines in
order to ensure that equipment will
always be in functional condition.
6.5 To change the exhalation membrane
Snap of the valve cover from the valve
seat.
Slip off the membrane.