A7â„¢ Service Manual 046-006272-00 3 - 5
Periodic Maintenance List of Periodic Maintenance Parts to be Replaced and Checked
21
Seal, valve port (for CO2 Bypass
shaft)
4 Check Check 049-000140-00
22
O-ring 23.47X2.95 (for CO2 Bypass
Assembly)
2 Check Replace 082-001504-00
23
O-ring 4.47X1.78 (for CO2 Bypass
shaft)
8 Check Check 082-000679-00
24 Tank Washer 3 Replace Replace 0348-00-0185
25
O-Ring 52X2 Auto/Manual
ventilation switch
1 Check Check 082-001505-00
26
O-Ring 40X2.2 Auto/Manual
ventilation switch
2 Check Check 082-001520-00
27 O-Ring 30X2 bag arm base 1 Check Check 082-001499-00
28 O-Ring 8.5X2.0 O2 cell port 1 Check Replace 082-001525-00
29 Inspiratory Flow Sensor 1 Check Check 801-0631-00060-00
30 Expiratory Flow Sensor 1 Check Check 801-0631-00056-00
31 O-ring 18X2.5 Breathing system base 2 Check Check 049-000813-00
32 Bellow check valve membrane 1 Check Replace 049-000240-00
33 O-Ring 20.29X2.62 Bellows base 1 Check Check 082-001508-00
34 O-Ring 29.82X2.62 APL valve 1 Check Check 082-001515-00
35 O-Ring 25X2 APL valve 1 Check Check 082-001500-00
36
4.4X1.78 O-ring (used for lower cover
assembly)
2 Check Check 082-000679-00
37
Filter.0.45um (used for built-in AG
module)
1 Replace Replace 082-000423-00
38 Dust filter 1 Check Replace 045-000241-00
39
O-ring 18X2.5 (for rotating block of
breathing circuit)
1 Check Replace 082-001502-00
40 O-ring, 0.35X1.78 FKM A70 1 Check Check 082-000676-00
/ Touch screen 1 Check Replace 801-0631-00014-00
No. Consumable Part Amount
12
Month
36
Month Part Number