CareFusion 8400ST, 8400STi User manual
SECTION
13
Critical
Component
Replacement
Removal/
Procedures
8400ST / 8400STi
Volume
Ventilator
Service
Manual
SECTION
CRITICAL
13
COMPONENT
REMOVAL/REPLACEMENT
PROCEDURES
COMPONENT
1.
TOP
2.
FRONT
3.
MANOMETER/PLUG
4.
DISPLAY
5.
MAIN
6.
FLOW
7.
FLOW
8.
POWER
9.
*CONDUCTIMITY
POWER
“IC
10.
REAR
11.
FLOW
COVER
ASSEMBLY
PANEL
PC
BOARD
PC
BOARD
TRANSDUCER
RECEPTACLE
TRANSFORMER
SUPPLY
REGULATORS
PANEL
CONTROL
ASSEMBLY
ASSEMBLY
ASSEMBLY
ASSEMBLY
PC
PCB
TEST
PC
BOARD
INSULATION
ASSEMBLY
VALVE
(P/N
09698)
(P/N
15024)
(P/N
(P/N
BOARD
AND
ASSEMBLY
ASSEMBLY
ermenin
ASSEMBLY
(P/N
10131)......................
ASSEMBLY
09799)
(PAN
50000)
50010)
MANIFOLD
(P/N
TEST
(P/N
(P/N
(P/N
09740)
irene
re
50060)
08939)
50020)
нии
ASSEMBLY
iii
iii
ee
иене
(P/N
sise
neee
eee
50030)
PAGE
nenene
onen
.......
13-3
13-3
13-4
13-5
13-6
13-7
|
12.
EXHALATION
13.
PRESSURE
14.
PRESSURE
15.
SAFETY
16.
SAFETY
VALVE
REGULATOR
TRANSDUCER
VALVE
VALVE
ASSEMBLY
SOLENOID
SOLENOID
(P/N
09712)
PC
BOARD
ASSEMBLY
ASSEMBLY
(P/N
10083)
ASSEMBLY
(OLD
(NEW
STYLE)
STYLE)
(P/N
09680)....................
(P/N08940)................
(P/N
08940)
................
13-17
13-17
13-18
13-1
CRITICAL
ms
WARNINGS,
COMPONENT
WARNING:
THE
FOLLOWING
FOR
FACTORY
PERSONNEL
THAT
SERVICE
HAS
ATTENDED
SEMINAR
AUTHORIZED
CORPORATION
CENTER.
CAUTION:
an
electro
trolled
VIP
have
severely
P.C.B.A.
after
removal
The
static
area.
integrated
damaged
must
CAUTIONS,
TRAINED
ONLY;
BY
SERVICE
work
discharge
All
printed
be
placed
from
REMOVAL/REPLACEMENT
NOTES
INSTRUCTIONS
SERVICE
THAT
IS A PERSON
A
8400ST
CONDUCTED
BIRD
PRODUCTS
TRAINING
must
be
performed
(E.S.D.)
circuit
circuits
by
static
the
VIP.
boards
and
electricity.
in
anti-static
BIRD
con-
can
ARE
OR
in
be
All
bags
in
the
PROCEDURES
CAUTION:
cal
power
ing
top
NOTE:
source,
cover.
Each
completed
NOTE:
filled
affixed
to
Center
After
to
Procedures.
The
out
and
to
the
Bird
Products
Drive,
the
completion
Section
Unplug
power
wall
step
must
before
moving
component
identification
rear
panel.
Corporation,
Palm
Springs,
of
14,
Operational
cord
from
plug,
before
be
followed
to
the
next
trace
card
label
Return
must
trace
1100
CA
92262.
an
installation,
Verification
electri-
remov-
and
step.
must
be
be
card
Bird
refer
13-2
1.
TOP
COVER
ASSEMBLY
(P/N
09698)
1.1
1.2
Using
Allen
washers
base,
to
under
into
Lift
09698)
upwards
disengage
and
9"
screws
(P/N
securing
casting.
manifold
top
cover.
the
rear
with
and
remove
REMOVAL
Allen
driver
(P/N
02159)
the
Screws
bottom
end
of
both
hands
slide
lip
from
cover.
2.
REMOVAL
remove
03222)
ventilator
are
top
top
front
and
from
manifold
inserted
through
cover
about
cover
panel
FRONT
two
top
cover | 1.1
from
casting
(P/N
1'/2"
back
to
housing
PANEL
At
completion
procedure:
1.2
ASSEMBLY
Install
raise
forward
panel
Lower
and
two
from
top
back
housing.
cover
secure
Allen
under
(P/N
INSTALLATION
of
operational
cover
of
to
slip
screws
15024)
INSTALLATION
on
manifold
cover
down
using
manifold
and
front
onto
e"
(P/N
lip
base.
verification
base,
slide
panel
under
Alien
02159)
front
manifold
driver
inserted
base
and
2.1
At
manifold
J2
2.2
At
2.3
From
remove
and
Allen
2.4
Remove
base.
2.1
Position
Main
PCB
ribbon
and
(P/N
15115)
manometer
manifold
four
Allen
washers
driver.
front
‘et
front
Assembly,
cable
fitting,
base,
(P/N
panel
panel
(P/N
at
J3.
remove
unscrew
screws
08963)
from
brackets
unplug
(P/N
using a 7/8"
from
15118)
tube.
and
03219)
at
manifold
on
top
of
manifold
bottom
screw
2.2
Install 4 washers
_
Allen
holes
Allen
2.3
Connect
assembly
and
07803).
2.4
Plug
15118)
Main
2.5
Plug
11515)
at
of
holes
screws
and
driver.
secure
long
from
PCB
short
into
J3
location.
base
and
panel
secure
remaining
(P/N
ribbon
brackets
in
base.
(P/N
(P/N
03219)
screws
ーー
10080)
with
cable
cable
font
Main
panel
cable
PC
Assembly
ribbon
align
08964)
tube
to
tie
assembly
assembly
at
location
Board
slots
in
to
align
with
and
through
with a "/s"
#7
of
tube
manometer
wrap
assembly
(P/N
(P/N
into
J2.
(P/N
assembly
4
13-3
CRITICAL
3.
COMPONENT
PRESSURE
REMOVAL/REPLACEMENT
MANOMETER
(P/N
09799)/PLUG
PROCEDURES
(P/N
04876)
ASSEMBLY
3.1
3.2
3.3
3.4
Allen
brackets
holding
manometer
necessary)
and
surface
opening
screws
Remove
Remove
discard.
Clean
R.T.V.
(P/N
the
manometer
plug
on
(only
REMOVAL
(P/N
03219)
09639)
manometer
lens
(P/N
(P/N
04876)
sealant
inside
if
lens
of
from
which
(P/N
09617).
material
panel
is
are
in
place.
09799)
from
around
replaced).
and
(4
lens
from
hole
3.1
Remove
new
3.2
If
removed,
3.3
Ensure
hole
surface
3.4
Place
inside
hole
3.5
Install
20048)
with
o'clock
sealing
INSTALLATION
protective
manometer.
bezel
lens
proceed
that
opening
is
clean.
R.T.V.
of
the
opening.
clean
against
calibration
position.
material.
(P/N
20048)
the
surface
of
the
sealing
front
panel
bezel
the
hole
Remove
bezel
as
follows:
around
front
panel
material
around
lens
flange
inside
in
the
lens
from
was
on
(P/N
of
rear
three
excess
bezel
rear
the
the
|
panel
3.6
Install,
against
09639),
retaining
manometer
screws
Allen
NOTE:
bezeliens
calibration
before
3.8
Install
hole.
position
lens,
with
manometer
in
(P/N
driver.
Confirm
is
aligned
screw
securing
plug
(P/N
new
using two
long
leg
place
03219)
that
calibration
with
position
manometer.
04876)
13-4
manometer
brackets
of
bracket
lip.
Secure
with
two
using a 7/64"
manometer
(three
in
calibration
(P/N
Allen
hole
o’clock)
in
4.
DISPLAY
PC
BOARD
ASSEMBLY
(P/N
50000)
4.1
4.2
4.3
4.4
4.5
4.6
REMOVAL
To
remove
Assembly
control
potentiometer
From
left
hand
remove
nut
driver.
With a 5/6"
“
Jam
(P/N
shafts.
Remove
from
removing
03219)
Disconnect
Assembly
form
(P/N
Place
anti-static
from
knobs
Mode
side
nut
nut
Nuts
(P/N
03282)
Display
inside
four
with a 7/«"
(P/N
J2
and
15115)
Display
bag.
Display
front
(P/N
20238)
shafts.
selector
of.top
and
washer
driver
03281)
from
potentiometer
PC
of
rear
panel
Allen
Allen
and
remove
15118)
Ribbon
(short
PC
Board
PC
Board
panel,
switch
row
remove
Board
screws
Cable
cable)
pull
off
located
controls,
using a 5/16"
and
locknuts
Assembly
housing
(P/N
driver.
Ribbon
(long
Assembly
from
Assembly
all
from
all
13
by
Cable
cable)
J3.
at
in
4.1
Carefully
Assembly
4.2
Prior
to
Assembly
resistance
_
potentiometers
first.
4.3
Plug
cable
(long
cable)
assembly
into
J3 on
4.4
Connect
Display
Reading
4.5
Readjust
trimpot
4.6
Ensure
connected
4.7
\f
Ohm
replace
continuing
INSTALLATION
remove
from
installing
to
check
assembly
(P/N
Display
Ohmmeter
PC
Board
must
if
necessary
at
R40
that
to
reading
Display
with
Display
anti-static
Display
front
panel
of
must
into
J2
15115)
PC
as
be
650
location.
cables
J2
are
and
is
still
PC Board
the
next
PC
bag.
PC
housing,
the
be
performed
(P/N
and
plug
(short
Board.
at
locations
shown
OHMS.
by
turning
correctly
J3.
not
correct,
step.
Board
Board
a
15118)
cable
cable)
on
in.
before
4.8
Attach
rear
NOTE:
on
pots
potentiometer
panel.
Board
screws
wrench.
Assembly
Display
of
front
Make
before
Facing
(P/N
03219)
PC
Board
panel
certain
installation.
shafts
rear
panel,
housing.
that
through
side
of
install
using a 3/2"
13-5
Assembly
there
are
Align
holes
Display
four
Allen
no
and
in
PC
Allen
to
nuts
insert
front
.
CRITICAL
COMPONENT
4.
DISPLAY
REMOVAL
REMOVAL/REPLACEMENT
PC
BOARD
ASSEMBLY
PROCEDURES
(P/N
50000)
4.9
Install
03281)
potentiometer
nuts
inch
4.10
Install
potentiometers.
switch).
all
on
with
ounce
friction
(Continued)
INSTALLATION
fourteen
the
5/16"
equally.
(14)
mode
shafts.
nuts
nut
driver,
on
(Not
control
Tighten
all
the
Jam
nuts
and
or
torque
thirteen
mode
(P/N
Jam
40
(13)
select
5.1
5.2
5.3
5.4
5.5
REMOVAL
Using a 7/4"
Allen
screws
left
and
right
Lift
board
unplug
cables
Ribbon
transducer
Ribbon
machine
JA.
Ribbon
Valve
upwards
from
at
the
Cable
from
Cable
transducer's
Cable
from
5.
MAIN
Allen
driver,
(P/N
03219)
side
of
and
board
J16.
the
following
(P/N
15022)
J17.
(P/N
08938)
(P/N
PC
remove
from
Main
PC
caretully
following
locations.
Flow
circuit/
PC
board
15025)
Exhalation
BOARD
two
upper
board.
from
4.11Tighten
potentiometers
friction
ASSEMBLY
5.1
Carefully
from
5.2
Position
with
unit.
5.3
Connect
securing
5.4
Ribbon
Supply PC
Main
5.5
Cable
from
Assembly
Assembly.
the
friction
have
feel.
(P/N
50010)
INSTALLATION
remove
anti-static
Main
components
cables
board
cable
PC
Board
(P/N
Power
bag.
PC
-
as
in
(P/N
Board
Assembly.
03512) 8 pin
Supply
to
J14
nuts
until
the
same
Main
PCB
Board
towards
place.
71501)
Assembly
on
Assembly
outlined
connector
PC
Board
Main
firm
Assembly
center
before
from
Power
to
J1
PC
Board
of
at
5.6
Unplug
from
alarm
JP17.
loudness
cable
wires
5.6
Ribbon
Transducer
on
Main
cabie
PC Board
PC
Board
(P/N
08938)
Assembly.
13-6
from
Assembly
to
J4
5.
MAIN
PC
BOARD
ASSEMBLY
(P/N
50010)
(Continued)
5.7
Unpiug
from
J15.
5.8
Unplug 8 Pin
09793)
5.9
Ribbon
from
J1.
5.10Carefully
assembly
REMOVAL
Fiber
from
Cable
remove
and
Optic
Cable
J14.
(P/N
place
Cable
Assembly
71501)
Main
PC
in
anti-static
(P/N
main
board
09793)
(P/N
signal
bag.
5.7
Install
from
PC Board
5.8
Ribbon
Supply
Board
5.9
Ribbon
Volume
on
5.10
Connect
wires
PC
5.11
Place
grooved
attach
screws
7/5"
INSTALLATION
Fiber
rear
cable
PC Board
Assembly.
cable
Transducer
Main
PC Board
the
from
Board
Main
siots
to
brackets.
(P/N
Allen
Optic
panel
Assembly.
rear
Assembly.
PC
driver.
Cable
to
Socket
(P/N
to
(P/N
volume
panel
Board
in
manifold
03219)
(P/N
J15
15025)
J16
15022)
Connector
Assembly.
control
Install
and
from
on
Main
from
alarm
to
JP17
Assembly
base
two
secure
15045)
on
Main
Power
PC
Flow/
to
J17
on
Main
in
and
Allen
with
6.
6.1
6.2
6.3
FLOW
By
hand,
tubes
receptacle
50060).
Unplug
from
50030).
J12
Using
two
the
bracket.
TRANSDUCER
REMOVAL
remove
from
the
back
PC
board
the
ribbon
flow
transducer
Unplug
on
power
%/«"
front
transformer
supply
Allen
screws
the
two
of
the
assembly
cable
PCB
solenoid
PC
driver
and
loosen
(P/N
08833)
transducer
PC
BOARD
sensing
flow
sensor
(P/N
(P/N
15022)
(P/N
connector
board.
only
securing
AND
at
the
MANIFOLD
6.1
Carefully
Transducer
NOTE:
removed,
transducer
two
7/&«"
6.2
Reconnect
J12
ASSEMBLY
INSTALLATION
remove
If
manifold
reinstall
board
Allen
on
screws.
the
13-7
(P/N
Flow/volume
PCB
from
anti-static
and
solenoids
manifold/solenoids
at
this
time,
using
the 4 pin
Power
solenoid
Supply
PC
50030)
bag.
were
onto
the
plug
board
at
CRITICAL
6.
FLOW
COMPONENT
TRANSDUCER
REMOVAL/REPLACEMENT
PC
BOARD
AND
MANIFOLD
PROCEDURES
ASSEMBLY
(P/N
50030)
(Continued)
6.4
NOTE:
be
removed
board,
from
6.5
Slide
the
flow
remove
from
manifold.
back
Carefully
assembly
gas
the
Flow
from
by
removing
of
side
mounting
REMOVAL
transducer
supply
of
flow
manifold
flow
transducer
two
place
transducer
in
anti-static
out
tubing
transducer
with
7/s:"
brackets.
marked
solenoids
Allen
PCB
bag.
and
(5)
may
PC
screws
6.3
Connect
fitting
manifold.
loosen
Display
transducer
the
two
Allen
6.4
Reconnect
cable
intermediate
on
the
board.
6.5
Reconnect
J17
on
board
INSTALLATION
supply
from
the
PCB
screws
wrench
(P/N
Flow
the
(P/N
tubing
top
of
From
two
screws
assembly.
mounting
heads
to
secure.
the
short
15022)
plug
Volume
the
intermediate
Fiow
50060).
#5
flow
transducer
power
transformer,
facing
Slide
bracket
and
end
of
from
the
connection
Transducer
Sensor
connector
to
second
the
the
under
use a e"
ribbon
to
J17
PC
plug
flow
to
PC
7.1
7.2
By
hand,
from
receptacle
Before
tube
Remove
PC
Board
right
four
cable
assembly
remove
the
back
removing
with
TOP.
flow
(P/N
lower
9/2"
Allen
(P/N
in
7.
FLOW
REMOVAL
the 2 sensing
of
the
flow
PC
Board
tubes
sensor
50060)
front
of
casing
screws.
15022)
anti-static
and
RECEPTACLE
tubes
sensor
assembly.
mark
the
receptacle
assembly
by
Unplug
place
bag.
and
removing
ribbon
upper
from
‘
PCB
ASSEMBLY
7.1
Install
board
lower
secure
(P/N
7.2
Install
20192)
(P/N
50060)
INSTALLATION
flow
sensor
(P/N
50060)
front
of
casting
with
four
03226).
new
O-ring/gaskets
inner/and
connector
assembly
as
%/22"
Allen
outer
shown
screws
(P/N
(P/N
and
PC
into
and
20191).
13-8
8.
POWER
TRANSFORMER
ASSEMBLY
(P/N
08939)
8.1
Remove
Power
located
panel.
8.2
Remove
terminal
located
inside
(P/N
8.3
Unplug
from
(P/N
8.4
With a Vs."
Allen
transformer
on
8.5
Slide
bracket
remove
primary
Entry
at
right
green/yellow
(P/N
below
of
rear
01066)
secondary
J9
at
50020).
screws
main
accumulator.
flow
transducer
towards
power
REMOVAL
wire
Module
side,
08432)
power
panel
with a 7/1"
output
Power
Allen
PC
driver,
(P/N
08833)
base
onto
front
transformer.
terminals
(P/N
08941)
inside
ground
from
entry
after
removing
deep
wire
Board
remove
securing
mounting
mounting
panel
from
of
rear
wire
ground
module
socket.
socket
Assembly
four
pad
and
lug
at
nut
8.1
B.2
8.3
Gray
module
Yellow
entry
Violet
entry
Orange
entry
Red
module
INSTALLATION
With
multicolored
rear
panel,
mounting
manifold.
Install,
secure
Connect
transformer
follows:
from
from
module
from
module
from
module
from
position
pad
but
do
%"
Allen
primary
transformer
transformer
transformer
transformer
transformer
primary
on
accumulator
not
secure
screws
wire
to
power
to C on
wires
transformer
at
this
(P/N
terminals
entry
to F on
to E on
to D on
to A on
module
power
power
power
power
power
facing
into
time,
08833).
from
as
entry
entry
8.4
NOTE:
not
Install
ground
inside
power
01066)
socket.
touch
transformer
wire
to
the
of
rear
panel
entry
Make
transformer
and
secure
certain
module.
green/yellow
ground
with
that
surfaces.
13-9
lug
located
Install
7/6"
grounc
stud
below
nut
(P/N
deep
wires
at
the
do
CRITICAL
lf
COMPONENT
8.
POWER
With
transformer
properly
Ohmmeter
screwhead
regulator
03752).
Ohmmeter
resistance.
problem
Recheck
connections
connected,
Generic
exists:
green
REMOVAL/REPLACEMENT
TRANSFORMER
m
installed
connect
from
ground
holding 5 Volt
323,
should
yellow
on
rear
read
panel
to
(Bird
low
ground
ASSEMBLY
CONDUCTIVITY
and
wire
IC
P/N
wire
and
PROCEDURES
(P/N
08939)
TEST:
other
connector.
Check
end
Plug 3 pin
Power
Perform
12, pg.
If
all
is
IC
covers
(Continued)
at
middle
continuity
connector
PC
Board
Hi
29-10.
correct
(P/N
pot
test,
insert
09674).
of
Assembly.
pin
of
wire.
into
ref.
Section
plugs
three
J9
at
into
pin
the
9.
POWER
REMOVAL
9.1
Facing
remove
screws
plastic
9.2
With a thin
carefully
insulator
NOTE:
it
appears
ever,
09764)
Identify
P/N#.
9.3
Remove
a
right
rear
all
(P/N
covers
remove
gaskets.
Look
at
there
the
center
is a blank.
each
IC
four
fs"
Allen
hand
of
casting
eight
plugs
03232),
from
long
needle
all
finned
are
five
Regulator
(DO
regulator
screws
driver
side
of
SUPPLY
finned
(P/N
washers
all
regulators.
nose
four
regulators
Discard
area
rear
regulators.
Cover
NOT
with a BIRD
(P/N
from
upper
finned
PC
area,
09764)
and
pliers,
gaskets.
of
casting,
How-
(P/N
REMOVE).
03221)
left
and
area.
BOARD
four
and
with
ASSEMBLY
9.1
Carefully
Board
and
back
9.2
Position
onto
are
registering
Press
9.3
Install
rear
Power
9.4
Before
assembly
Rectifier
Board
assembly
to
J8 on
13-10
ASSEMBLY
remove
Assembly
lower
placed
board
of
manitold
two
inside
into
place
four
of
heat
Supply
securing
(P/N
to 45 on the
and
(P/N
Power
(P/N
50020)
Power
from
anti-static
down
insulators
rear
of
into
recessed-regions
with
holes
firmly.
screws
sink
into
PC
panel,
03515)
the 6 pin
03513)
Supply
into
casting.
(P/N
heat
sink.
in
heat
(P/N
03221)
metal
board
connect
from
Power
connector
from
PC
Supply
place
20097)
Insulators
sink.
blocks
and
tighten.
Bridge
Supply
of
rear
Board.
PC
bag
at
while
through
cable
—
on
PC
cable
panel
9.
POWER
SUPPLY
PC
BOARD
ASSEMBLY
(P/N
50020)
(Continued)
9.4
9.5
9.6
Facing
from
following
a)
b)
c)
d)
With
Allen
Power
rear
With a 7/«"
four
washers
panet
inside
Power
cable
Safety
Flow
09740)
Exhalation
Cable
panel.
Allen
Solenoid
Control
J12.
77"
Allen
screws
Supply
screws
(P/N
to
manifold
REMOVAL
rear
of
Supply
at
J7.
(P/N
Allen
PC Board
connections:
(P/N
Valve
Valve
driver,
03219)
PC
Board
driver,
(P/N
04383)
base.
ventilator,
08940)
Assembly
Cable
remove
assembly
loosen
03219)
securing
unplug
the
at
at
J6.
the
holding
only
and
rear
J10.
(P/N
five
to
the
9.5
Align
holes
(finned
Board
and
with a 7/«"
9.6
Atthis
(P/N
of
Driver.
9.7
Connect
(P/N
Supply
9.8
Facing
needle
Mosfet
position
casting).
between
IC
regulator
in
rear
area).
panel
securing
time
03219)
the
rear
08940)
PC
rear
nose
IC
of
ASSEMBLY
of
manifold
Hole
in
place
five
Allen
wrench.
secure
and
panel
Safety
(P/N
Use
IC
Solenoid
connector
Board
of
casting
plier,
68001)
heat
sink
insulator
and
casting.
sockets
Power
screws
the
washers
using a 4"
at
J10.
carefully
casting
while
(P/N
four
assembly
to
with
onto
(left
hand
(P/N
with
(P/N
Power
socket
Supply
installing
screws
long
install
1st
PC
03219)
04383)
Allen
the
rear
09672)
of
NOTE:
test
Check
9.9
9.10
Refer
before
Install
2nd
Insulator
and
09674)
two
washers
provided
Install
into
installing
each
regulator
one
position
(P/N
manifold.
over
screws
(P/N
with
two
4th
and
to
IC
regulator
the
after
Regulator
of
casting
09672)
Place
device
(P/N
03233)
09674),
cover
Regulator
5th
position
13-11
insulation
next
IC
regulator.
installation.
(P/N
03752)
heat
sink.
between
cover
and
(P/N
IC's
attach
and
which
09674).
(P/N
of
(P/N
two
are
rear
into
Use
device
using
03584)
of
CRITICAL
COMPONENT
9.
POWER
REMOVAL/REPLACEMENT
SUPPLY
PC
BOARD
ASSEMBLY
PROCEDURES
(P/N
50020)
(Continued)
.D
Installation:
*
After
check
.
With
that
screwhead
ground
power
REMOVAL
installing
circuit
Ohmmeter,
circuit
lug
entry
each
for
reads
securing
on
rear
module.
m
IC
REGULATORS
IC
proper
check
open
IC
panel
regulator,
insulation.
to
insure
trom
regulator
below
to
:
casting
09672)
place
and
03233)
provided
NOTE:
insulation
installation.
3rd
ASSEMBLY
heat
between
cover
attach
and
with
position
test
as
sink.
(P/N
using
two
below,
INSULATION
«
into
°
IC
NOTE:
*
position.
TEST:
Misalignment
casting.
regulator
if
all
checks
Set
Main
Power
Use
device
09674)
two
screws
washers
cover
not
(P/N
is
empty.
after
of
IC
regulator
properly
correctly
Switch
Insulator
and
over
which
09674).
Perform
each
installed.
go
to
to
(P/N
casting,
device
(P/N
are
IC
socket
next
ON
step.
・
If
Ohmmeter
or
short
guide,
step,
09756)
O
IC
Regulator
Check:
+
Ohmmeter
of
+
Cutin
before
power
OPEN.
insulator
reads
implement
continuing
transformer
installation.
Troubleshooting
reads
low
troubleshooting
CLOSED
(P/N
09672).
resistance
with
next
(P/N
È
instead
13-12
*
On
the
measure
connector
should
check
If
wiring
former.
good,
Power
*
Connect
Power
follows
voltage
transformer 3 pin
two
outer
pins
of
transformer,
read
12-15
wiring
is
correct
If
transformer
plug 3 pin
Supply
voltmeter
harness
and
confirm
outputs.
Volt
to
power
replace
connector
PC
Board.
to 8 pin
(P/N
entry
test
03512)
the
connector,
of
the 3 pin
voltmeter
AC.
If
not,
module.
trans-
outcome
to
J9
at
socket
as
proper
is
of
m
IC
REGULATORS
»
Connect
voltmeter
harness.
*
Positive
14.7
negative
lead
to
20
to
black
VDC:
(+)
(-)
lead
TO
from
on
YELLOW=
INSULATION
power
O
TEST
5
Volt
*
*
(Continued)
DC
Fault
Check 5 Volt
for
oversize
Replace 5 Volt
:
Check:
IC
regulator
connector.
IC
regulator.
socket
+
O
14.7 - 20
«
ㆍ
«
10.1
With
(P/N
32110)
of
back.
10.2 With
Allen
Power
rear
10.3
Lift
remove
32110)
Positive
Double
J5,
Check
and
Board.
Check
is
on
accumulator
panel.
rear
lead
Volt
check
J8,
J9.
fuse
fuse
F1
that
the
AC
REMOVAL
screwdriver,
09787)
7/4"
screws
at
located
Allen
Supply
panel
hose
and
remove
(+)
TO
DC
Fault
ail
connections
in
power
on
Power
AC/ALT
LINE
10.
loosen
inlet
at
left
and
driver,
(P/N
03219)
PC
Board
upwards,
from
elbow
RED= 5 VDC
Check:
entry
Power
position.
REAR
elbow
hand
push
remove
rear
module
Supply
PANEL
hose
fitting
top
hose
holding
assembly
pry
and
fitting
panel.
of
PC
Switch
clamp
(P/N
side
clamp
the
five
(P/N
ASSEMBLY
10.1
10.2
to
10.3
Replace
*
Switch
and
ventilator
source.
«
Insert
connector
valve
Power
(P/N
Check
strip
replace
With
place,
assembly
assembly.
Install,
four
washers
(P/N
screwdriver
place.
Main
remove
exhalation
cable
Supply
10131)
INSTALLATION
condition
(P/N
08882)
if
necessary.
all
components
position
down
but
do
screws
(P/N
04383)
Power
and
(P/N
and
Supply
Power
power
into
connector
and
not
03219)
using a ?/«"
AC
power
valve
J6
and
PC
Board.
of
moisture
on
top
on
align
on
top
secure
03219)
hold
cord
rear
PC
Switch
from
supply
cable
flow
control
into
J/
seal
of
panel,
panel
rear
manifold
at
this
and
and
washers
Allen
panel
Board.
OFF
on
in
panel
time,
in
13-13
CRITICAL
COMPONENT
10.
REAR PANEL
REMOVAL/REPLACEMENT
ASSEMBLY
(P/N
10131)
PROCEDURES
(Continued)
10.4
11.1
From
09762)
bowl,
Discard
Remove
connector
Supply
inlet
unscrew
filter
element
PC
REMOVAL
Filter
element
11.
FLOW
REMOVAL
flow
contro!
from
J7
board
Assembly
and
remove
and
O-ring.
and
O-ring.
CONTROL
valves
socket
assembly.
(P/N
glass
cable
on
Power
VALVE
10.4
With
‘
secure
03219)
Board
10.5
Secure
washers
assembly
ASSEMBLY
11.1
Install
counter
body.
INSTALLATION
7/4"
Allen
driver
five
(5)
Allen
securing
to
rear
panel.
the
four
(4)
securing
to
casting.
(P/N
09740)
INSTALLATION
two
O-rings
bores
of
install
screws
Power
screws
rear
(P/N
flow
control
and
(P/N
Supply PC
with
panel
03374)
valve
into
11.2
Using a “/«"
Allen
the
mounting
of
11.3
Remove
(P/N
in
11.4
Remove
(P/N
pad.
screws
valve
unit.
03374)
base
08880)
Place
Allen
(P/N
assembly
pad
and
and
discard
from
of
valve
and
discard
located
valve
driver,
03218)
lift
counterbore
body.
in
remove
on
manifold
assembly
two
O-rings
Valve
on
mounting
anti-static
two
securing
out
holes
Gasket
bag.
11.2
Position
control
with
mounting
11.3
Using a Yes"
secure
03218).
NOTE:
11.5
Reconnect
Power
and
valve
holes
the
Tighten
PCB
align
gasket
in
flow
pad
on
manifold
Allen
two
Allen
screws
flow
valve
Assembly.
holes
control
screw
evenly.
of
(P/N
valve
driver,
screws
cable
,
flow
08880)
body
base.
(P/N
to
J7 on
13-14
12.
EXHALATION
VALVE
ASSEMBLY
(P/N
10083)
12.1
12.2
12.3
NOTE:
valve
the
screw
latch
spring.
12.4
12.5
REMOVAL
Remove
PC
Remove
connector
from
assembly
Remove
top
When
assembly,
button.
Using a "/s"
the
the
shoulder
spring
Next
screws
ribbon
Board
of
screw
latch
assembly.
exhalation
12
Power
at
tubing
exhalation
removing
use
at
the
lower
Behind
(P/N
button
washer
(P/N
remove
(P/N
cable
pin
cable
Supply
J.
from
valve
the
care
left
the
Allen
31004).
driver,
03219)
(P/N
(P/N
the
remaining
03219).
J6
from
valve
PC
button
cable
connector
Board
barbed
assembly.
exhalation
when
that
removing
retains
is a small
first
that
20040)
20041),
Main
fitting
retains
three
on
the
remove
and
(3)
12.1
Position
inside
you
fitting
12.2
Secure
screws
lower
12.3
exhalation
20040)
While
position
retainer
hole
12.4
and
12.5
Connect
exhalation
12.6
connector
front
face
upwards.
left
Into
lower
holding
and
(P/N
03219).
Button
actuate
Insert
Supply
exhalation
INSTALLATION
exhalation
of
front
with
7s."
(P/N
03219)
corner
left
valve,
and
spring
washer
(P/N
20091)
secure
should
smoothly.
tubing
valve
into
PC
Board
valve
machine
of
unit),
Allen
from
corner recess
place a button
(P/N
button
(P/N
using
now
be
#2
to
assembly.
valves
J6
socket
assembly.
assembly
(lower
with
driver,
in
all
the
31004).
depressed,
04383)
over
fourth
spring
barbed
cable
left
tube
three
but
the
front.
of
and
remaining
screw
loaded
fitting
on
Power
as
(P/N
of
12.6
Remove
from
static
exhalation
the
unit
bag.
and
valve
place
assembly
in
an
anti-
12.7
Insert
J16
assembly.
13-15
ribbon
socket
cable
on
Main
(P/N
15025)
PC Board
into
CRITICAL
COMPONENT
REMOVAL/REPLACEMENT
13.
PRESSURE
REGULATOR
PROCEDURES
(P/N
09712)
13.1
13.2
NOTE:
to
support
screws.
13.3
13.4
Position
expose
Insert
in
Allen
regulator
remove
Remove
(P/N
base.
Remove
(P/N
silicone
base
a"
manifold
screws
regulator.
Hold
regulator
its
weight
03375)
04506)
REMOVAL
manifold
Allen
base
on
and discard
purge
rubber
base
bottom
driver
plate,
(P/N
03257)
mounting
up
during
from
holes
tube
from
safety
elbow.
-
on
its
fins
plate.
through
remove
securing
pad and
with
your
removal
two
O-rings
in
regulator
connector
valve
to
holes
tour
hand
of
13.1
Install
into
Teflon
driver.
13.2
Position
counterbore
‘regulator.
13.3
Position
mounting
(or
manifold
13.4
Secure
mounting
screws
NOTE:
top
of
facing
Assembly.
installed.)
INSTALLATION
fitting
side
tape
part
Fairchild - position
manifold
towards
(Bleed
included
of
regulator
and
secure
two
O-rings
of
holes
regulator
pad
positioned
marked
casting.
regulator
pad
(P/N
mounting
Display
IN)
onto
with
03257).
fitting
PC
with
body
with a '4"
(P/N
in
bottom
on
top
toward
manifold
four
9/64"
Tighten
regulator
pad
with
Board
is
already
regulator
using
nut
03375)
of
manifold
with
rear
into
of
fitting
of
Allen
eveniy.
on
fitting
13.5
Install
(P/N
other
valve
13-16
one end
08934)
end
elbow
silicone
of
purge
to
regulator
fitting
elbow.
assembly
fitting
into
safety
and
14.
PRESSURE
TRANSDUCER
PC
BOARD
ASSEMBLY
(P/N
09680)
14.1
14.2
14.3
14.4
REMOVAL
Remove
form
Transducer
Using
Allen
board
then
Remove
03372)
manifold
Carefully
PCB
ribbon
socket
7/"
Allen
screws
onto
remove
and
from
mounting
place
Assembly
cable
J4
on
Pressure
PC
Board
driver,
(P/N
03220)
manifold
board.
discard
transducer
mounting
pad.
Pressure
in
anti-static
(P/N
08936)
assembly.
remove
securing
O-rings
(P/N
and/or
Transducer
bag.
four
pad,
14.1
14.2
14.3
NOTE:
evenly
down
INSTALLATION
Install
into
base.
Place
Assembly
positioning
from
three
base.
Secure
Assembly
Allen
60"
to
three
counter
Transducer
the
ports
screws
Allen
Torque
to
16
make
onto
the
transducer
and
Transducer
to
torque
Allen
inch
contact
new
O-rings
bore
parts
Pc
manifoid
three
to
O-rings
PC
manifold
(P/N
03220)
screwdriver.
screws
ounces.
with
(P/N
in
manifold
Board
casting,
pressure
align
with
in
manifold
Board
base
with
using
(P/N
03220)
First
run
PC
Board.
03372)
ports
the
four
a
screws
15.
SAFETY
15.1
15.2
15.3
Remove
15024)
Unplug
ribbon
socket
and
At
both
as
VALVE
front
as
and
cable
located
flow
flow
sensor
silicone
per
their
SOLENOID
REMOVAL
panel
described.
remove
(P/N
15022)
on
flow
sensor
PC Board
receptacle
tubes,
location
assembly
flow
mark
(top/bottom).
ASSEMBLY
(P/N
transducer
at
J17
transducer
assembly.
remove
each
tube
14.4
Insert
socket
PC
(P/N
08940)
15.1
15.2
15.3
ribbon
J4 on
board
(Old
Lightly
Lubricant
Install
secure
wires
prevent
Position
Pulsation
square
right
Assembly.
Style - Clippered
INSTALLATION
lubricate
Safety
using
upwards
tangling.
wires
pad
front
cable
Pressure
(P/N
Dampener
(P/N
side
(P/N
both
00042).
Solenoid
Solenoid
while
around
08231)
of
accumulator.
08936)
Transducer
Valve,
O-rings
by
wrench.
tightening
dome
Accumulator
located
using
hand
of
in
3-way)
and
Hold
to
to
on
13-17
CRITICAL
15.
COMPONENT
SAFETY
VALVE
REMOVAL/REPLACEMENT
SOLENOID
ASSEMBLY
(P/N
PROCEDURES
08940)
(Old
Style)
(Continued)
NOTE:
while
15.4
15.5
15.6
REMOVAL
Hold
up
turning.
Remove
PC
front
‘Allen
anti-static
Pull
purge
out
elbow
Cut
pad
front
flow
Board
of
casting,
screws.
elbow
tube
of
safety
(P/N
cable
(P/N
side
Assembly
bag.
tiewrap
08231)
of
wires
fitting
to
prevent
sensor
Place
assembly
valve
09603).
accumulator.
receptacle
from
by
removing
assembly
from
regulator
(P/N
silicone
(P/N
located
tangling
right
four
08934)
rubber
07803)
on
right
and
lower
9/2"
in
on
15.4
15.5
15.6
15.7
15.8
Insert
connector
PC
Secure
tiewrap
excess
Remove
anti-static
receptacle
four
Connect
flow
Insert
regulator
safety
INSTALLATION
Safety
into
Board
9/22"
sensor
assembly.
wires
cable
cable
flow
bag.
assembly
Allen
both
elbow
purge
valve
receptacle
fitting
silicone
Solenoid
J10
on
into
bracket
(P/N
07803),
length.
sensor
screws
silicone
receptacle
Install
and
(P/N
tubes
from
tube
assembly
elbow.
wires
Power
using
cut
flow
sensor
secure
03226).
to
as
marked.
pressure
Supply
off
from
with
the
into
15.7
Unplug
connector
PC
15.8
Insert
03426)
base
16.
SAFETY
16.1
16.2
Remove
described.
Unplug
ribbon
socket
flow
Safety
Board
pin
in
of
safety
and
cable
located
sensor
solenoid
at
J10
on
Assembly.
of
solenoid
one
of
the
solenoid
VALVE
REMOVAL
front
remove
PC
panel
(P/N
on
Board
SOLENOID
15022)
flow
Power
wrench
three
assembly
fiow
transducer
assemblies.
wires
Supply
(P/N
holes
valve
transducer
at
at
body
ASSEMBLY
as
J17
and
15.9
Insert
connectors
on
receptacles
15.10
(P/N
16.1
16.2
13-18
flow
flow
transducer
Instali
Lightly
lubricant
Install
secure
front
00940)
INSTALLATION
lubricate
(P/N
safety
using
(New
transducer
into
sockets
PC
Board
panel
Styie - Pneutronics)
00042).
solenoid
solenoid
cable
J10
and
flow
assembly.
as
described.
both
O-rings
by
wrench.
located
sensor
using
hand
and
16.
SAFETY
VALVE
SOLENOID
ASSEMBLY
(P/N
00940)
(New
Style)
(Continued)
16.3
16.4
16.5
16.6
16.7
REMOVAL
At
flow
sensor
both
silicone
as
per
their
Remove
PC
of
casting;
Allen
anti-static
Remove
connectors
mark
right).
Pull
purge
valve
09603).
Insert
03426)
the
body,
removed.
flow
board
screws.
both
wires
elbow
tube
silicone
pin
in
base
of
and
assembly
by
bag.
form
to
fitting
assembly
of
one
turn
receptacle
tubes.
location.
sensor
from
removing
Place
safety
solenoid
their
location
from
rubber
solenoid
of
the
safety
solenoid
counterclockwise
remove
Mark
(top/bottom).
receptacle
lower
four
assembly
solenoid
terminals
regulator
out
of
elbow
wrench
three
each
9/2"
wire
(left/
safety
(P/N
(P/N
holes
valve
tube
and
front
in
at
until
16.3
Insert
connectors
terminals.
16.4
Remove
anti-static
receptacie
four
16.5
Connect
flow
16.6
Insert
regulator
safety
16.7
16.8
Insert
connectors
transducer
Board
Install
INSTALLATION
safety
%2:
sensor
elbow
valve
flow
assemblies.
front
solenoid
on
flow
sensor
bag.
assembly
Allen
screws
both
silicone
receptacle
fitting
purge
silicone
transducer
into
and
panei
safety
install
from
tube
assembly
elbow.
socket
flow
sensor
as
described.
marked
solenoid
receptacle
flow
and
(P/N
tubes
as
pressure
cable
J17
wire
body
from
sensor
secure
03226).
to
the
marked.
into
on
flow
PC
with
13-19
SECTION
14
Operational
&
Verification
Performance
Procedures
Test
8400ST / 8400STi
Voiume
Ventilator
Service
Manual
SECTION
OPERATIONAL
This
section
1.
EQUIPMENT
2.
PREPARATION.
3.
CALIBRATION
4.
PERFORMANCE
A
numbering
with
each
the
required
the
troubleshooting
14
VERIFICATION
is
divided
REQUIRED.
AND
system
major
operation.
calibration
PROCEDURE
as
follows:
OPERATIONAL
TEST.
is
utilized
so
Complete
parameters.
instructions
of
that
each
!f
this
&
VERIFICATION
one
can
step
required
manual.
PERFORMANCE
easily
in
identify
sequence
parameters
TEST
PROCEDURES.
the
steps
outlined
are
not
met,
involved
to
obtain
refer
to
NOTE:
back
the
OVP
of
Use
the
the
Operational
and
fill
Operational
Verification
out
the
OVCS.
Verification
Check
Procedure
Sheet
(OVP).
(OVCS),
Follow
the
located
in
directions
the
of
14-1
3/98.
Rev.
D
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