Respironics ESPRIT Service Manual page 234

Chapter 9
Component Removal/Installation
9-68
GPL226 lubricant when installing, and relubricate at every
reinstallation.
• When replacing original version of oxygen valve assembly or crossover
solenoid, use cable extension kit to rework main PCB to motor cable as
described in section 9.34.
1. Remove top enclosure (see "Top Enclosure" on page 9-4).
2. Remove enclosure brace.
3. Remove the oxygen flow sensor (see "Oxygen Flow Sensor" on page 9-
57), but do not cut the tie wrap or disconnect the O2 F/S cable from
the flow sensor.
4. Remove the air flow sensor but do not disconnect the AIR F/S cable
from the flow sensor (see "Air Flow Sensor" on page 9-65).
5. Remove the air valve assembly (see "Air Valve Assembly" on page 9-
66).
6. Disconnect the two MTR O2 cables on the oxygen valve from the
mating MTR O2 cable.
7. Disconnect the CROSS SOL cable from the crossover solenoid
assembly.
8. Use an 8-mm socket with extension to remove the three bolts holding
the oxygen valve bracket.
9. Slowly pull the oxygen valve assembly away from the oxygen regulator.
Oxygen regulator
Figure 9-79: Oxygen Valve and Oxygen Regulator
Esprit® Ventilator Service Manual © Respironics, Inc.
Oxygen
Oxygen valve
valve
Crossover
bracket
solenoid
REF 580-1000-02 G