Dräger Apollo Operating Instructions Manual page 195

Apollo Maintenance
.
WARNING !
The water trap must be replaced after a service
life of four weeks.
The diaphragm could become brittle after an
extended period of use, allowing water and
bacteria to get into the measurement system.
The contamination affects the gas
measurement, or the gas measurement may fail
as a result.
CAUTION !
Do not allow any alcohol or cleaning agents/
disinfectants to come into contact with the inside of
the water trap.
Do not wash, flush or sterilize the water trap.
These substances can damage the diaphragm and
the measurement system.
Apollo Operator's Manual
Chapter 11 - Cleaning and Maintenance
187