4. Before
r eplacing
t he
b oard,
e nsure
t hat
t he
m ain
c ircuit
b oard
a nd
a ll
p ins
a re
s traight
a nd
unbroken
( intact).
5. Locate
t he
c omposite
s ide
m arked
" top",
o r
t he
s ide
w ith
t he
s ingle
r ow
c onnector,
a nd
properly
a lign
t he
c onnections.
6. View
t he
r eplacement
b oard
f rom
t he
s ide
a nd
a t
a n
a ngle
t o
m ake
c ertain
t hat
t he
p ins
a re
aligned
p roperly
b efore
s eating
t he
c onnector.
7. When
t he
r eplacement
b oard
i s
p roperly
a ligned,
g ently
p ress
t he
b oard
i nto
p lace
u ntil
properly
s eated.
Portable
O xygen
C oncentrator
Figure
2 1.1:
R emoving
M otor
C ontroller
B oard
Figure
2 1.2:
A ligning
P ins
t o
t he
C onnection
MN220-‐1
A
7 6