Dräger DOLPHIN Bedienungsanleitung Seite 77

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After Maintenance and/or replace-
ments of parts it is necessary to
check the correct functioning of
the entire unit
Unit Part
Complete Unit
Breathing Cycle
Parts
Bypass Valve
Nitrox Cylinder
Bail Out
Cylinder
All Cylinder
valves
Regulator
Pressure gauge
1) More intensive use requires more regular maintaince
2) To be done only by an authorised specialist
3) Or according the marking on cylinder
Instandhaltungsintervalle
Service Schedule
Only original Dräger parts must be
used for service, maintenance and
replacement
General Maintainance
Overhaul
Valve plates of non
return values
Non return valves of
dump values
Replace all o-rings on
low pressure conections
Clean and grease all
mouthpiece moving parts
Replace
mouthpiece barrel
Replace
breathing hoses
Replace o-ring
in CO2- cartridge lid
Replace
cartridge lid gasket
Replace diaphragm
Replace sealing pin
Replace filters in
dosage devices
Check response pressure
and blow-off pressure
Check interstage hose
also on buoyancy compensator
Replace interstage hose
also on buoyancy compensator
Replace bypass
valve o-rings
Test
Test
Check function and tightness
Replace o-rings
Check medium pressure
Calibrate pressure gauge
8
every every 2 every 6 every 10
year years years years
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