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Service Manual
65
675-120 Rev. G
7
For blender knob P/N 467472, remove the cover (6) from the front of the FiO
2
control knob (7). Using the 5/16 nut driver, unscrew the collet on the front of the
FiO
2
control knob (7), remove the collet and pull off the control knob (7).
For blender knob P/N 22562, use the blender knob removal tool, P/N 93244, to
remove the blender knob.
8
Remove the two covers (8) from the front of the NCPAP Pres low and NCPAP
Pres high flow control knobs (9) by gently prying out of the recess in the knob
with a small screwdriver.
9
Using a screwdriver or Circle pliers, unscrew the central securing nuts for the
flowmeter knobs and pull off the control knobs (9).
10 Remove the eight screws (10) from the front panel (11).
11 Pull the front panel assembly (11) off the frame, taking care not to damage any
tubes.
12 Remove and discard the O-ring (12) from the Pop Off valve on the Front Panel.
Replace the O-Ring (P/N 46546)
13 Remove the Valve/Sensor PCB (13) as follows:
a
Disconnect the fuel cell connector SK1 (14) at PL1 on the Valve/Sensor
PCB.
b
Disconnect the dump/vent valve connector SK3 (15) at PL3 on the
Valve/Sensor PCB.
c
Remove the five screws (16).
d
Pull the Valve/Sensor PCB (13) downwards and out forward to
disconnect the PCB from the D plug PL2.
e
Disconnect the exhaust tubes from the back of the PCB and the PA flow
tube and remove the Valve/Sensor PCB.
14 At the blender, disconnect the air supply (17), the oxygen supply (18), the
whistle outlet tube (19) and the main outlet (20).
15 Remove the four screws (21) securing the blender (22) and remove the blender.
Do not remove the collet knob on the front of the blender.
16 Overhaul blender per instructions in Low Flow MicroBlender Service Manual P/N
L1130.
17 To replace the alarm reed components, locate the reed alarm cap.
This will be located either on the back of the unit to the right of the inlet block or
on the inlet gas block itself. Refer to directions in the blender service manual to
replace the reed alarm.
Note:
If the alarm cap is not in either location, contact CareFusion technical support.
Summary of Contents for Infant Flow LP SiPAP
Page 1: ...Infant Flow LP SiPAP and SiPAP Model M675 Service manual ...
Page 16: ...6 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 20: ...10 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 24: ...14 Infant Flow LP SiPAP Model M675 675 120 Rev G Figure 3 IFSD Internal Components ...
Page 30: ...20 Infant Flow LP SiPAP Model M675 675 120 Rev G Figure 6 IFSD Gas Flow Schematic ...
Page 88: ...78 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 90: ...80 Infant Flow LP SiPAP Model M675 675 120 Rev G Infant Flow LP SiPAP and SiPAP Model M675 ...
Page 93: ...Service Manual 83 675 120 Rev G Appendix D Pneumatics Assembly ...
Page 94: ...84 Infant Flow LP SiPAP Model M675 675 120 Rev G ...