7 Repair Procedures
1006-0836-000 02/03
7-11
7.3 Pneumatic engine
Refer to section 6 for pneumatic engine components that are to be serviced
under regular maintenance. To service other components of the pneumatic
engine, you must first remove it from the housing.
7.3.1 Pneumatic Engine in
an Aestiva machine
In an Aestiva machine, the Pneumatic Engine is located in a housing at the rear
of the breathing system.
To remove the pneumatic
engine
1. Disconnect pipeline supplies; close cylinder valves; bleed off pressure.
2. Remove the rear cover of the breathing system.
3. Disconnect the drive gas hose (
A
).
4. Loosen the dual tube riser mounting screw (
B
) until 3 or 4 treads show out
of the riser block; pull down to lower the riser.
5. Remove the screws (
C
) that hold the engine manifold to the housing.
6. Slide the vent engine out of the housing just enough to access the harness
connections at the Pneumatic Engine Board (
PEB
)
•
PEEP Valve, PEEP Safety Valve, and Supply Pressure Switch (
D
).
•
Inspiratory Flow Valve (
E
).
7. Remove the vent engine from the housing.
8. Reassemble in reverse order.
A
B
C
C
(PEB)
D
E
Summary of Contents for 7100
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Page 102: ...Notes 5 22 02 03 1006 0836 000 ...
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