10. D isconnect
t he
f an
w ire
f rom
t he
m ain
c ircuit
b oard
b y
u sing
n eedle-‐nose
p liers
a nd
carefully
p ulling
u pwards
o n
t he
c onnector
h ousing
o n
t he
m ain
c ircuit
b oard.
C onnection
J6
f or
t he
F reeStyle
o r
c onnection
J 15
f or
t he
F reeStyle
5 .
11. R emove
t he
4 -‐20
s elf-‐tapping
s crews
f rom
t he
m ain
c ircuit
b oard.
T here
a re
6
s crews
o n
t he
FreeStyle
a nd
8
s crews
o n
t he
F reeStyle
5 .
Portable
O xygen
C oncentrator
F igure
2 2.3:
C annula
N ozzle
T ubing
MN220-‐1
A
7 9