Heyer Modular+ - Fig. 18 Supply Inlet Filters and Water Traps

Preventive Maintenance
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2 Ensure that the O-ring (323-0147) and the packing ring (980-1170) of the CO
2
absorber are intact.
3 Ensure that the O-ring (323-0147) on the ventilator bellow is intact.
4 Ensure that the O-ring (049-3182) on each vaporizer mount is intact.
5 Check O-rings (049-3052) of the docking station ports (located between the patient module and its
docking station).
a Replace O-rings at recommended interval
6 Inspect the spindle nut (323-0115) on the patient module for wear and tear. Replace if necessary.
7 Inspect O-ring washer (980-1174 for O2 and N2O; 980-1170 for AIR) between tank and yoke
connection. Replace if necessary.
8 Ensure the inspiratory valve (610-3156) is intact, replace if necessary.
9 Ensure the expiratory valve (610-3156) is intact, replace if necessary.
10 Ensure the APL valve (323-0310) is intact, replace if necessary.
11 Ensure the Room air valve (323-0099) is intact, replace if necessary.
12 Ensure that the inspiratory and expiratory valve O-rings (610-3157) are intact, replace if
necessary.
13 Ensure the Fresh gas decoupling, Driving gas and expiratory diaphragm valves (323-0100) are
intact, replace if necessary.
14 Check gas supply inlet filters (370-0017) and water traps (340-0344).
a Verify that minimal to no condensation or dirt are present in the inlet filter and bottles. Drain
any liquid from bottles.
b Clean and/or replace the contaminated inlet filters and O-rings, if necessary.
Fig. 18 Supply inlet filters and water traps