REMOVE AND REPLACE MAJOR COMPONENTS
Once you isolate the defective component causing the malfunction, you remove
and replace that component. The following paragraphs describe how to remove and
replace major components.
a. Remove and Replace the Low Pressure Alarm Assembly. Refer to
figure 2-2. Follow these procedures to remove and replace the low pressure alarm assembly.
Disconnect the unit from the source gas.
Attach the Babybird to a pedestal.
With a screwdriver, remove the screws that hold the case together.
Slide the front panel forward.
Locate the alarm assembly in the center of the unit.
(6) With a crescent wrench, loosen and remove the nut holding the alarm
assembly to the flow gauge bracket.
Carefully pull the alarm assembly out of the bracket.
(8) Remove one hose at a time and place the new alarm assembly in its
proper place. Attach all three hoses.
Reassemble in the reverse order.
b. Remove and Replace the Rotary Switch (Part Number 4285) Rotary Valve
Assembly (Controlled INTERMITTENT MANDATORY VENTILATION/Spontaneous
Breathing). Refer to figure 2-9. Follow these procedures to remove and replace the
Figure 2-9. Rotary valve assembly and rotary switch.