2. MAINTENANCE, OVERHAUL
& SOFTWARE UPGRADE
Maintenance & Overhaul Intervals........................ 2-1
General Warnings.................................................. 2-1
General Cautions .................................................. 2-2
Parts Required / Tools Required .......................... 2-2
Maintenance Procedures ...................................... 2-3
– Inlet Water Trap Filters & O-rings Assembly 2-3
– Exhalation Valve Adapter .............................. 2-4
– Exhalation Valve Diaphragm, Seal
& O-Ring........................................................ 2-5
– Emergency Relief Diaphragm ...................... 2-5
Overhaul Procedures ............................................ 2-6
– Inlet Water Trap Filters & O-rings Assembly 2-6
– Air and Oxygen Inlet Regulator Rebuild ...... 2-7
– Exhalation Valve Adapter .............................. 2-7
– Exhalation Valve Diaphragm/Poppet
Assembly ...................................................... 2-8
– Cooling Fan Filter & Guard .......................... 2-8
– Emergency Relief Diaphragm ...................... 2-9
– Emergency Intake Diaphragm ...................... 2-9
– Inhalation Outlet Check Valve...................... 2-10
– Internal Battery ............................................ 2-10
– Tubing .......................................................... 2-10
Software Upgrade Procedure .............................. 2-11
General Information ............................................ 2-11
Upgrade Procedure.............................................. 2-11
Circuit Test & Diagnostic ...................................... 2-13
Software Upgrade Form ...................................... 2-19
SER360 A1106