3. Remove
t he
t ie
w raps
t hat
b undle
t he
s olenoid
v alve
w ires
t ogether.
4. Loosen
a nd
r emove
t he
c enter
b olt
f rom
t he
P SA
a ssembly
u sing
a
5 /32"
A llen
w rench.
5. Holding
t he
s ieve
b eds
i n
p lace,
g ently
p ull
u pward
o n
t he
p roduct
m anifold
t o
r emove.
Keep
t ubing
a ssembly
i n
p lace.
6. Align
t he
n ew
p roduct
m anifold
w ith
t he
o utlet
o f
t he
s ieve
b eds,
a nd
g ently
p ush
t he
manifold
d own
i nto
p lace.
7. Reconnect
t he
t ubing
a ssembly
t o
t he
n ew
p roduct
m anifold.
8. Place
c enter
b olt
t hrough
t he
p roduct
m anifold
a nd
t ighten
t o
1 5
i n-‐lbs.
SOLENOID
V ALVE
R EPLACEMENT
Turn
O FF
t he
u nit,
r emove
t he
b attery,
a nd
d isconnect
t he
p ower
cord
f rom
t he
e lectrical
o utlet
b efore
s ervicing
t o
p revent
accidental
e lectrical
s hock
a nd
b urn
h azard.
Portable
O xygen
C oncentrator
Figure
1 5.4:
C enter
B olt
R emoval
MN220-‐1
A
6 5