A-dec Porta-Cart 3406 User manual
TM
8-6520-002-24&P
UNIT,
DIRECT
MAINTENANCE
(INCLUDING
DENTAL
TECHNICAL
SUPPORT,
REPAIR
SPECIAL
OPERATING
MANUAL
AND
TOOLS
GENERAL
MANUAL
PARTS
LIST)
SUPPORT
AND
AND
'
TREATMENT
ADEC
APPROVED
MODEL
FOR
PUBLIC
UNIT,
6520-01-272-4531
RELEASE;
FIELD,
3406
DISTRIBUTION
PORTA-CART
PORTABLE,
IS
UNLIMITED
HEADQUARTERS,
DEPARTMENT
OF
THE
ARMY
1991
TM
8-6520-002-248P
|
|
Throughout
time
to
read
Procedures which
this
manual
these.
They
are
must
are
WARNINGS,
there
be
observed
CAUTIONS,
to
protect
WARNING
to
avoid
you
and
personal
and
the
equipment.
injury,
NOTES.
and
even
loss
Please
of
life.
take
|
|
Procedures
which
must
Essential
observed
be
CAUTION
avoid
to
or
long-term
NOTE
information
that
damage
health
should
eguipment,
to
hazards.
remembered.
be
destruction
eguipment,
of
a/b
blank
TM
8-6520-002-24&P
|
TECHNICAL
NO.
8-6520-002-248P
MANUAL
UNIT,
(INCLUDING
FIELD,
You
can
help
prove
procedures,
mended
Changes
Commander,
5001. A reply
Changes
to
DIRECT
DENTAL
PORTABLE,
improve
please
to
Publications
Equipment
U.S.
Army
will
be
furnished
SUPPORT,
MAINTENANCE
REPAIR
OPERATING
6520-01-272-4531
this
manual.
let
us
know.
Technical
Medical
Materiel
directly
AND
PARTS
AND
AND
ADEC
If
you
and
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Publications)
to
find
Mail
Agency,
you.
MODEL
any
your
Forms),
GENERAL
MANUAL
SPECIAL
TREATMENT
3406
mistakes
memorandum,
or
DA
located
ATTN:
in
the
SGMMA-M,
HEADQUARTERS
DEPARTMENT
WASHINGTON,
DC
SUPPORT
TOOLS
UNIT,
PORTA-CART
or
if
you
know a way
DA
Form
2028
Form
2028-2
back
(Recommended
of
this
manual,
Frederick,
OF
THE
LIST)
to
im-
(Recom-
to:
MD
21702-
ARMY
CHAPTER
Section
CHAPTER
Section
CHAPTER
Section
1.
I.
И.
Il.
2.
ll
|.
Ill.
IV.
3.
|.
I.
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Approved
HOW
TO
USE
INTRODUCTION
General
Equipment
Principles
OPERATING
Operating
Operational
Operation
Operation
UNITLEVEL
General
Service
Information
Description
of
Procedures
of
Under
Information
Upon
for
public
TABLE
THIS
MANUAL...
and
Operation
INSTRUCTIONS
......
Care
Auxiliary
MAINTENANCE
Receiptof
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2-1
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3-1
TM
8-6520-002-24&P
Section
CHAPTER
Section
APPENDIX
GLOSSARY
INDEX
Figure
No.
1-1
1-2
1-3
1-4
1-5
16
2-1
3-1
32
E-1
E-2
E-3
E-4
ES
E-6
E-7
E-8
E-9
E-10
E-11
E-12
E-13
E-14
E-15
11.
SEZ
Vil.
Vill.
4.
L
Il
A
B.
C.
D.
E
Lubrication
Preventive
Functional
Troubleshooting
Maintenance
Storage
DIRECT
General
Troubleshooting
REFERENCES
MAINTENANCE
COMPONENTS
EXPENDABLE
REPAIR
Controls
Control
Control
Control
Water
Signal
AVS
Mechanical
Master
Water
Air
filter
Master
Control
Microvalve
Automatic
Foot
Toggle
Needle
SYNGE:
AVS
Air
vacuum
Air
saliva
Water
Frame
Instructions
Maintenance
Testing
Instructions
and
Shipment
SUPPORT
Information
PARTS
and
associated
block
assembly
block
detail
block
front
valve
relay
valve
and
ASE
assemblies
schematic
block
assembly
filt@n
vic
and
regulator
block
assembly
block
assembly
holder
control
handpiece
valve
valve
valve
scan
system
ejector
tank
system
assembly
Checks
......
Procedures
AND
GENERAL
..
.
..
ALLOCATION
OF
END
AND
DURABLE
AND
SPECIAL
LIST
(front
cover
CHART
ITEM
AND
SUPPLIES
TOOLS
OF
ILLUSTRATIONS
components
view)
detail
cms
ancas»
with
chip
blower
rs
assembly
and
Services
SUPPORT
BASIC
Title
(inner
valve
...
..
ISSUE
AND
LIST
surface)
..
MAINTENANCE
ITEMS
MATERIALS
.....................
LIST
LIST
...
ss
41
.
41
„Aj
.B-1
Page
1-6
Table
No.
LIST
OF
Title
TABLES
TM
8-6520-002-24&P
1-1
1-2
1-3
14
31
32
33
3-4
35
3-6
3-7
3-8
39
8-10
Nomenclature
Dimensions
Specifications
Miscellaneous
Preventive
Master
Control
Three-way
Foot
Signal
Chip
Three-way
Needle
Air
block
control
relay
blower
regulator
cross-reference
...........
characteristics
maintenance
troubleshooting . ..............................
blocks
microvalve
valve
valve
valve
toggle
valve
troubleshooting
troubleshooting . 2...
list
.........
.
checks
troubleshooting
troubleshooting
troubleshooting
troubleshooting
(tWo-way
valve
microvalve)
troubleshooting
............................
and
services
................
............
..............
..............
troubleshooting
........................
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8-6520-002-24&P
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This
manual
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manual
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The
manual
appendixes, a glossary,
to
index
O
Multiple
Words
help
locate
will
that
ponents
provides
and
test,
and
before
is
the
help
figures
are
or
words
characteristics
operating
arranged
locate
HOW
all
repair
chapter
more
and
tables
both
capitalized
that
you
TO
USE
the
information
of
the
item.
or
beginning a maintenance
by
chapters,
an
index,
or
section
specific
are
will
actually
THIS
this
equipment.
You
must
sections,
and
DA
Forms
for
subjects.
provided
and
in
see
needed
the
quotation
MANUAL
to
understand
It
familiarize
and
2028-2.
general
for
on
your
the
ease
marks
equipment.
describes
yourself
task.
paragraphs
Use
the
subject
in
area
using
are
the
capabilities,
how
table.of
to
with
the
followed
set
contents
needed.
this
manual.
names
of
up,
entire
by
The
com-
[]
Chapter 3 provides a systematic
ment.
problem
the
detected
Specific
O
cluded.
location
for
measurement,
In this
causing
checks
quickly.
direct
Only
chart
higher
way,
services
and
support
perform
for
levels
and
small
the
unit
maintenance
your
maintenance
of
diagnostic
defects
in
and
level
can
to
fail
same
the
general
of
equipment;
method
be
to
complete
order
of
inspecting
detected
its
each
support
functions
maintenance.
frequently
tools.
or
and
early
time
maintenance
specified
before
mission.
and
Make a habit
anything
in
Maintenance
require
additional
servicing
they
become a major
the
wrong
instructions
maintenance
the
functions
training;
equip-
of
doing
be
will
in-
are
al-
specified
test,
TM
8-6520-002-24&P
1-1.
Scope.
This
manual
stallation
information
a.
Type
special
and
b.
Model
Portable.
c.
Purpose
control
1-2.
Special
systems,
Explanation
or
describes
procedures;
follows:
of
manual.
list).
tools
number
of
equipment.
and
work
unique
abbreviations,
the
and
provides
Unit,
and
equipment
surface.
of
INTRODUCTION
Section
dental
unit;
direct
To
abbreviations
acronyms,
I.
GENERAL
provides
operational
support
provide
(DS),
name.
an
and
CHAPTER
maintenance
and
maintenance
and
general
ADEC
3406
Porta-Cart,
integral
and
terms
system
terms.
used
1
INFORMATION
personnel
support
for
within
with
functions,
Dental
dental
this
services,
(GS)
maintenance
Operating
treatment
manual
eguipment
i
with
are
explained
technical
and
actions.
(including
and
Treatment
operating
in
data
and
Additional
repair
Unit,
accessories,
the
glossary.
in-
|
parts
Field,
1-3.
Maintenance
TB
38-750-2
1-4.
Destruction
AR
40-61
publications
ardous.
1-5.
Administrative
a.
Placement
of
maintenance
factors
be
kept.
b.
Army
ance
with
equipment
c.
Inside
1-6.
Preparation
Refer
to
prescribes
contains
provide
as
determined
equipment
the
preventive
is
removed
storage
chapter
forms, records,
of
instructions
periodic
of
the
dental
effort
exists.
by the
placed
maintenance
from
is
preferred
for
3,
section
forms,
Army
for
destruction and
information
storage.
unit
in
Items
should
directing
in
administrative
storage,
for
storage
VIII
for
the
records,
reports,
materiel
and/or
administrative
be
authority.
checks
PMCS
equipment
or
procedures
and
and
to
disposal
instructions
in
mission
During
storage
and
will
be
performed
selected
shipment.
used
reports.
procedures.
prevent
of
Army
on
storage
services
should
readiness
the
storage
will
have
(PMCS)
to
for
administrative
to
prepare
enemy
medical
the
disposal
be
for
condition
period,
preventive
listed
ensure
operational
the
dental
use.
materiel.
of
medical
short
periods
within
24
appropriate
maintenance
in
table
readiness.
storage.
unit
for
storage
Also,
the
SB
materiel
of
time
when a shortage)
hours
or
maintenance
performed
3-1
before
or
shipment.
8-75
series
that
are
haz-
within
the
records
in
accord-
storage.
|
time
will
When
|
1-7.
Quality
TB
740-10/DLAM
assurance
4155.5/AFR
67-43
or
quality
contains
control
QA
or
QC
(QA
or
requirements
QC).
and
procedures.
TM
8-6520-002-24&P
1-8.
Nomenclature
Table
1-1
identifies
Common
ASE
AVS
AVS
Dental
1-9.
Reporting
Packing,
improvement
AR
40-61
prescribes
reports
for
the
dental
cross-reference
official
versus
name
handpiece
waste
container
unit
preformed
and
processing
reports.
procedures
unit.
commonly
Table
for
submitting
used
1-1.
Nomenclature
medical
medical
list.
nomenclatures.
cross-reference
Official
Automatic
Air
vacuum
Air
vacuum
Dental
ADEC
O-ring
materiel
materiel
complaints
list.
nomenclature
saliva
ejector
system
handpiece
system
waste
operating
model
3406
and
treatment
porta-cart
complaints
and/or
container
unit, field,
and/or
quality
improvement
—
portable,
quality
1-10.
Awarranty
1-11.
and
1-12.
The
trol
syringe
design
1-13.
The
dimensions,
Warranty
Equipment
a.
The
dental
vacuum
b.
The
unit
Description
dental
block
assemblies.
master
The
a.
flow
which
control
The
b.
Tabulated
tabulated
Dimensions,
a.
information.
is
not
applicable.
Section
characteristics,
unit
is a compact,
to
provide
can use
unit
contains a dual
controls.
permits
block
The
services
block
dental
bottled
assembly
assemblies
data.
provides
data
specifications,
specifications,
II.
EQUIPMENT
portable,
hygiene
gases
of
significant
handpiece
working
without
the
and
and
(nitrogen
contains
components
disconnecting
are
dimensions,
and
miscellaneous
DESCRIPTION
capabilities,
and
self-contained
dental
treatment
or
carbon
components.
control
used
characteristics.
system
coolant
air
the
accessible
are
the
control
to
specifications,
characteristics.
the
unit
that
services.
dioxide)
consisting
flow
tubing.
route
Tables
in
control,
from
water
of
miscellaneous
and
1-2
AND
and
features.
uses
compressed
lieu
of
compressed
of a master
water
the
of
front
the
coolant
air
and
through
block
coolant
the
data
1-4
DATA
air,
air.
assembly
control
and
unit
the
to
the
for
provide
pressurized
and
two con-
valve,
"cartridge"
of
are
handpieces.
dental
unit.
dental
broad
a
water,
and
range
the
of
Table
1-2.
Dimensions.
22
0
1
1/2
in
in
(50.8
1/2
in
(57.2
cm)
cm)
(29.2
cm)
TM
8-6520-002-24&P
Table
1-2,
Dimensions - continued.
Unit
Length..
Width
Height.
Tray
Air
Funnel...
Oral
Length..
Width
supply
tube
evacuator
tip
Table
Table
1-3.
1-4.
Miscellaneous
Specifications.
characteristics,
он
3
1/4
in
od
7116
in
od
by
6in
b.
Identification,
of
the
case.
1-14.
Model
semblies,
published
1-15.
water
1-16.
The
components
off
handpieces.
Model
differences
Safety,
Observe
а.
may
Ensure
b.
Follow
с.
Control
dental
Air
a.
when
turned
Water
b.
Water
c.
instruction,
Loosen
this
valve
differences.
not
are
subassemblies,
supply
in
bulletins
care,
WARNING,
each
be
hazardous
that
manufacturer's
the
the
to
air
Section
functions.
operated
is
unit
described
coolant
fully
coolant
coolant
in
control.
flow
clockwise.
"ON-OFF"
flow
and warning
to
equalize
applicable
components
or
and
and
personnel.
supply
since
subsequent
handling.
CAUTION,
shut
is
instructions
III.
controlling
by
subparagraphs
control
This
toggle.
controls.
This
These
plates,
pressure
this
occur
changes
and
or
off
for
decals,
before
manual
periodically.
NOTE
disconnected
use
the
PRINCIPLES
compressed
through
1-16a
adjusts
knob
used
two
is
control
control
or
opening
covers
to
this
this
in
when
chemical
of
and
air
1-16
flow
the
to
knobs
markings.
the
case.
model.
single
a
Information
manual.
manual.
OF
pressurized
|
shut
The
dental
the
cleaning
OPERATION
illustrated
are
coolant
air
of
the
off
adjust
the
flow
An
air
such
on
use
unit
water.
in
of
flow
relief
valve
However,
engineering
compressed
of
in
not
is
solutions
controls
Unit
1-1.
figure
handpieces.
the
to
coolant
water
water
of
is
located
design
changes
air
use.
lubricants.
and
and
to
coolant
on
the
changes
will
pressurized
and
associated
control
The
handpieces.
the
each
to
in
of
end
as-
be
is
the
TM
8-6520-002-24&P
d,
Automatic
and coolant
e.
when
normal
f.
water
g.
h.
(AVS)
i.
ejector.
to
the
Handpiece
both
handpieces
operation and
Water
pressure
tank.
Water
outlet.
Oral
evacuator
handpiece.
Saliva
ejector
Clockwise
handpiece
handpiece.
lockout
Turn
rotation
are
away
"ON-OFF"
This
component
fiow
this
air
flow
toggle.
holder.
This
out
of
their
from
the red
toggle.
control.
knob
clockwise
control.
of
the
knob
This
assembly
control
holders
dot
This
is
provided
This
control
This
control
decreases
overrides
at
the
to
lock
control
for
knob
to
decrease
knob
contains
same
out a handpiece.
is
connecting
suction
an
the
automatic
time.
used
to
adjusts
the
vacuum.
adjusts
or
shuts
internal
either
accessories
the
the
handpiece
The
toggle
pressurize
vacuum
amount
off
the
valve
which
is
to
the
generated
of
suction
automatic
activates
control
positioned
or
to
toward
to
relieve
self-contained
in
the
generated
saliva
the
flow
lock
out a handpiece
the
pressure
water
air
vacuum
in
the
ejector
(ASE).
of
drive
red
dot
from
supply.
system
air
saliva
air
for
the
HANDPIECELOCKOUT
TOGGLE
AIR
DRIVE
PRESSURE
AUTOMATIC
HANDPIECE
HOLDER
GAUGE
SYRINGE
AIR
A
FLOW
CONTROLS
WATER
NN
5
AIRCOOLANT
CONTROL
FLOW
SN
WATER
ON-OFFTOGGLE
DEAR
PRESSURE
ADJUSTING
SCREWS
¿15%
WATER
FLOW
COOLANT
1
Nİ
Sy
CONTROLS
WATER
OUTLET
s
$
\
COOLANT
WATER
ON-OFFTOGGLE
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・
SALIVA
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AIR
CONTROL
/
gll
NS
ORAL
FLOW
PRESSURE
FLOW
S
EVACUATOR
CONTROL
Syringe
i.
Drive
k.
handpiece.
air
Drive
I
Foot
m.
and
water
coolants.
Chip
n.
the
handpiece
1-4
controls
flow
pressure
air
pressure
control
blower.
is
not
-
adjusting
gauge.
This
valve.
valve
This
operating.
and
air
This
valve
on the
Figure
water.
screws.
component
controls
foot
1-1.
Controls
These
control
controls
These
indicates
handpiece
the
provides
and
associated
adjust
controls
the
jet
a
flows
the
for
allow
pressure
of
speed
air
rotation
componenits.
syringe
of
air
drive
provides
and
handpiece
of
adjustment
the
of
the
from
and
air
drive
an
to
an
water.
pressure
air
operating
signal
air
coolant
air
each
to
handpiece.
air
the
for
when
tube
TM
8-6520-002-24&P
1-17.
handpieces.
valve
blower,
In
Parallel
pressure
the
the
Control
a.
Description.
to
comprise a complete
b.
Operating
(1)
Each
and
each
block,
to
these
gauge,
block
assembly
handpiece.
SIGNABAIR
DRIVEAIR
WATER
GAUGE
block
The
The
control
principles.
control
signal
air
(fig
the
lateral
passages,
the
handpiece
that
assemblies.
control
block
passages
the
blocks
handpiece
assembly
1-2).
These
other
air
block
are
air
from
assemblies
used
in
conjunction
control
has
laterally-drilled
passages
intersect
longitudinal
coolant
the
with
barb,
foot
passages
control
are
used
to
with
system.
passages
align with the
longitudinal
and
the
is
passages
lead
cap
of
either
control
the
master
outlet
to
the
the
water
held
back
the
routing
block
for
drive
passages
that
lead
handpiece
valve
or
allowed
AIR
COOLANT
—
of
water
assembly
air,
water
in
the
end
to
the
front
drive
(fig
1-3).
to
flow
DRIVEAR
PRESSURE
CONTROL
coolant and
and a manual
coolant,
of
air
Itis
air
the
block
surface
barb,
the
here,
through
at
air
to
the
selector
coolant/chip
assembly.
of
the
block.
handpiece
the
front
of
and
operate
FROM
MASTER
BLOCK
WATER
FLOW
Figure
M
I
SIGNAI
AIR
\
x
P
TO
WATER
VALVE
HOLDBACK
SIGNAL
|
>
O
1-2.
—
O
O
COOLANT,
CONTROL
Control
~
Xi
gı
x
O
00;
\
x
block
-
¿O
©
一
一
^
Os
assembly.
№
1
A
Tİ
HANDPIECE
7
x
x
1
/
TO
FROM
MASTER
BLOCK
To
HANDPIECE,
FROM
а
BLOCK
GAUGE
ペー
KNOB
AIR
COOLANT
&CHIP
BLOWER
DRIVE
AIR
(BLUF)
Figure
1-3.
Control
block
detail
(front
view).
1-5
TM
8-6520-002-24&P
(2)
The
the
broken
front
block
between
is
allowed
cavities
handpiece
of
the
and
the
presses
lines,
assembly
the
cover,
grouped
to
deflect
cannot
front
these
and
operate.
cover
of
cavities
block.
the
cavities
passages.
into
the
holds
the
block
in
the
When
allow
However,
cavities
the
diaphragm
assembly
cover
the
block
the
of
the
has
correspond
is
assembled,
diaphragm
the
flow
between
cover.
Air
against
the
three
cavities
in
location
with
to
deflect
the
pressure
block.
This
in
to
the
from
grouped
from
the
prevents
the
inner
the
three
diaphragm
the
surface
passages
handpiece
any
surface
groups
in
place
of
the
block
can
occur
selector
flow
between
HOLDBACK
SIGNAL
PASSAGE
(fig
1-4).
of
passages
between
and
only
valve
As
indicated
drilled
the
assembly
allow
air
if
the
diaphragm
applied
passages
in
to
flow
into
and
by
the
the
the
(3)
The
handpiece
shuts
off
the
block
signal
from
the
handpiece.
(4)
Water
The
water
is
supplied
coolant
of
the
passing
the
allow
and
pressure
to
flow
the
water
(5)
water
the
air
deflects
water
diaphragm
at
prevent
control
valve
Actuation
valve
cap.
holdback
the
to
flow
upward
the
outlet
dripping
Figure
selector
assembly
block
coolant
through a passage
valve
stem.
of
The
diaphragm
diaphragm
through
barb
from
for
assembly
for a handpiece
bore.
Unless
the
water
cross-section
the
to
close
as the
the
handpiece.
1-4.
Control
valve
the
handpiece
for
the
After
passing
the
water
valve
occurs
view
at
the
front
downward.
valve
to
the
the
valve.
valve
supplies
selected
is
controlled
from
the
the
valve
when
(fig
of
the
This
barb.
This
closes.
block
front
cover
detail
the
holdback
that
is
not
handpiece
by an
master
needle
is
1-5)
in
Releasing
movement
As a result, a small
valve
actuated,
air
pressure
depicts
control
turn
pushes
being
and
integral
block
seat,
the
how
block.
the
the
signal
of
the
signal
used.
assembly.
flow
When
stem
(inner
that
The
allows
water
the
water
of
water
is
applied
the
signal
the
stem
downward
pressure
and
quantity
surface).
pressurizes
selector
air
to
pass
valve
in
This
passage
flows
to
is
blocked
above
air
signal
diaphragm
of
the
reaches
air
allows
water
cavities
valve
through
the
control
intersects
the
at
water
the
reaches
and
unseats
the
spring
creates a momentary
is
drawn
in
releases
the
block
inlet
seal
this
point.
valve
water
valve
the
water
the
to
back
the
the
with
at
diaphragm
push
into
cover
holdback
block
to
assembly.
the
water
the
bottom
cap
valve
inlet
seal
the
stem
the
valve
and
the
in
after
cap,
to
low
TM
8-6520-002-24&P
1-18.
The
and water
outlet.
flow
trol
Signal
signal
This
of
air,
is
released,
È
DRIVE
OUTLET
relay
valve
coolant
deflects
at
regulated
the
AIR
relay
(fig
1-6)
signals
to
the
diaphragm
supply
diaphragm
AIR
COOLANT
OUTLET
he
COOLANT
HOLDBACK
SIGNALINLET
valve.
is a three-way
the
handpieces.
and
pressure,
and
stem
moves
passes
return
WATER
‘WATER
DIAPHRAGM
STEM
WITH
O-RING
У,
OUTLET
BARB
‘WATER
INLET
Figure
valve
mounted
The
valve
the
stem
through
to
their
VALVE
VALVE
VALVE
SEAL
1-5.
Watervalve.
is
activated
to
close
the
original
CROSS-SECTION
CAP
SIGNAL
NEEDLE
VALVE
on the foot
the
signal
positions.
control
by
air
exhaust
relay
pressure
seal
valve
VIEW
HOLDBACK
SEAT
valve
from
and
to
the
AIR
PASSAGE
FRONTCOVER
STEM
\
DIAPHRAGM
body
to
the
foot
open
the
outlet.
When
WITH
provide
control
inlet
seal.
the foot
O-RING
the
air
valve
A
con-
INLETSEAL
EXHAUST
STEM WITH
SEAL
DIAPHRAGM
O-RINGS
Figure
1-6.
SUPPLY
INLET
Signal
relay
PILOT
INLET
valve.
TM
8-6520-002-24&P
2-1.
Initial
Detailed
procedures
paragraph
a.
Start-up
(1)
(2)
(3)
(4)
(6)
(6)
(7)
(8)
(8)
(10)
amount
flow
of
control
(11)
OPERATING
Section
procedures.
for
unpacking,
3-7.
Procedures
procedures.
Ensure
Depress
Remove
Replace
Install a sterilized
Connect
Turn
Check
Check
suction
Only
the
Check
knob.
Check
that the
sterilize
the
the
generated
the
vent
the
water
the
water
the
air
water
air
water
AVS
the
saliva
the
water
the
supply
pressure
pressure
pressure
for
shutdown
pressure
button
tank
cap and
tank
cap
syringe
two
tips
tubing
gauge
evacuator
oral
the
by
ejector
CHAPTER
|.
OPERATING
assembling,
are
"ON-OFF"
on
the
water
using a funnel,
and
ensure
tip,
an
oral
and
mouthpiece
to a supply
"ON-OFF"
for a reading
gauge
for a reading
by
handpiece
AVS
turning
by
INSTRUCTIONS
and
preparing
provided
toggle
tank
cap
that the
evacuator
NOTE
of
dry,
toggle
to
of
pressing
can
saliva
the
in
paragraph
is
turned
(fig
E-14)
fill
the
vent
tip,
and a saliva
when
patient
filtered
the
"ON"
60
to
80
of
30
AVS
the
increased
be
ejector
2
PROCEDURES
the
dental
unit
2-1c.
"OFF."
to
tank.
button
treatment
air
or
position.
psi.
to
40
psi.
handpiece
flow
air
ensure
or
that
is
not
in
ejector
bottled
button
decreased
control
for
operation
the
tank
the
locked
mouthpiece.
is
involved.
gas
regulated
to
by
vary
to
are
has
position.
from
actuate
turning
amount
the
provided
no
air
80
vacuum.
the
oral
the
of
in
pressure.
to
100
psi.
The
evacuator
suction.
Procedures
b.
technician
с.
Shutdown
Turn
(1)
Insert
(2)
panel.
Turn
(3)
turn
the
toggle
Remove
(4)
Clean
(5)
Empty
(6)
The
or
dentist
Use
of
8
the
the
to
ASE
control
during
during
procedures.
shutdown
the
shuts
patient
patient
hours.
pressure
water
quick-disconnect
the
pressure
water
the
"OFF"
position.
quick-disconnect
the
handpiece
AVS
the
waste
AVS
the
off
the
treatment.
treatment.
procedures
to
toggle
fitting
to
toggle
fitting
ASE
and
container,
suction
when
The
the
when
various
the
"OFF"
(contained
"ON"
the
and
following
by
clean
then
NOTE
turned
functions
NOTE
dental
position.
the
in
position
back
it
put
the
disinfect
and
fully
shut
is
unit
accessory
and
the
in
cleaning
clockwise.
dental
the
of
down
kit)
the
allow
accessory
procedures
it.
unit
any
for
into
water
kit,
will
period
water
the
tank
paragraph
in
controlled
be
excess
in
outlet
completely
to
on
2-2.
dental
a
by
control
the
drain;
then
TM
8-6520-002-24&P
(7)
Clean
(8)
Ensure
the
unit
by
depressing
(9)
Clean
and
that
the
external
lubricate
the
the
the
external
syringe
surfaces.
handpieces
air
supply
air
button.
by
following
is
turned
the
off.
Disconnect
lubrication
procedures
the
tube and
in
paragraph
bleed
the
3-8.
air
pressure
from
2-2.
Cleaning,
a.
Cleaning.
(1)
External
detergent.
Abrasive
never
(2)
internal
should
detergent
should
be
thoroughly
solution.
be
flushed
The
a
hot
(3)
Air
vacuum
(a)
After
air
through
clean
the
it
with a hot
(b)
system
Daily.
manufacturer's
order
to
clean
the
water
has
been
(c)
Weekly.
removing
strainer,
between
any
debris.
(d)
As required.
(4)
Automatic
(8)
After
(b)
Weekly.
and
removing
b.
Disinfecting.
External
(1)
patients.
disinfecting,
surfaces.
cleansers
be
used.
assemblies
cleaned
Any
wiping
with
clear,
lubricant
detergent
each
detergent
instruction.
lower
purged
each
used
solution
system. The
patient.
for a few
solution.
Clean
the
In
portion.
from
Clean
The
saliva
ejector.
patient.
Clean
any
debris.
surfaces.
Section
All
external
and
scrubbing
and
components.
and
inspected
should
hot
water
in
the
dental
is
AVS
Rinse
seconds
AVS
handpiece
addition,
Then,
the
tubing.
the
strainer
waste
container
The
Remove
the
strainer
external
All
Il.
and
surfaces
be
done
and
then
unitis
the
most
system
the
AVS
to
remove
use
the
rinse
by
ASE
the
by
surfaces
OPERATIONAL
sterilizing
should
CAUTION
pads
will
damage
When
servicing
for
defects
with a soft,
rinsed
largely
effective
(fig
by
using a cleaner
brush
with
removing
should
system
ASE
removing
prior
lint-free
in
isopropyl
NOTE
impervious
cleaner.
2-1)
should
drawing
all
clean
water
provided
clean
water.
the
waste
be
cleaned
should
mouthpiece
the
ASE
dental
the
of
CARE
procedures.
be
cleaned
the
surface
the
dental
to
reassembly.
cloth.
alcohol.
to
chemical
be
cleaned
water
through
from
the
tubes.
with
disinfectant
in
the
accessory
Finally,
be
cleaned
and
cap,
hold
container,
each
as
clean
unscrewing
should
unit
with a solution
finishes
unit,
the
components
The
most
When
the
components
solvents.
as
follows:
the
handpiece
Remove
the
properties
kit
to
insert
the
control
unscrewing
time
it
is
emptied.
follows:
with a hot
be
detergent
the
knurled
carefully
of
hot
water
and
should
of
effective
cleaner
Therefore,
and
oral
evacuator
by
into
the
button
down
the
collector
solution.
screw
with
wiped
and
any
assembly
is a hot
are
clean,
then
drawing
tip
following
handpiece
until
all
cup,
holding
disinfectant
liquid
they
and
the
in
the
and
the
Disinfectants
part
one
phenolics
that
Clorox®
such
will
or
as
Lysol®;
not
damage
Purex©
and
CAUTION
the
surface
parts
ten
to
isopropyl
finishes
water;
of
alcohol.
include--
hypochlorite
gluteraldehyde
solution
solution;
Cydex®,
of
(2)
should
following
be
c.
Sterilizing.
(1)
(2)
AVS
and
ASE
disinfected
Syringe
procedures.
Before
Syringe
Stainless
sterilization,
tips.
steel
components.
using
products
tips,
Sterilize
oral
evacuator
The
specified
oral
evacuator
all
components
using
steam,
saliva
chemical
tips.
Sterilize
ejector
in
the
tips,
and
should
mouthpiece,
previous
surgical
NOTE
be
thoroughly
vapor,
using
steam,
oral
CAUTION.
tips
should
or
dry
heat.
chemical
evacuator
be
cleaned
vapor,
TM
tip,
and
sterilized
with
surgical
or
dry
8-6520-002-24&P
the
waste
container
before
heat.
soap.
use,
using
the
AIR
VACUUM
SYSTEM
STRAINER
SALIVA
EJECTOR
EJECTOR
©
CAP
SALIVA
/
EJECTOR
AVS
ORAL
AIR
SALIVA
EJECTOR
EVACUATOR
COLLECTOR
CUP
Figure
==
2-1.
AVS
WASTE
and
ASE
assemblies.
CONTAINER
TM
8-6520-002-24&P
2-3.
Operation
The
dental
Stool
Unit,
2-4.
Operation
Operation
quent
intervals
Section
unit
is
used
Dental
Operating;
Section
of
the
dental
of
PMCS.
Ill.
of
auxiliary
with
the
following
and
IV.
OPERATION
under
unit
under
OPERATION
equipment.
items
Compressor,
unusual
unusual
conditions.
conditions,
OF
of
equipment:
Dental
Operating.
UNDER
such
AUXILIARY
Light
Set,
Dental
UNUSUAL
as
in
dusty
environments,
EQUIPMENT.
Operating,
Field;
CONDITIONS
may
require
Chair
more
and
fre-
2-4
TM
8-6520-002-24&P
3-1.
Overview.
Maintenance
unit
level
medical
quired
for
cabinet,
3-2.
Common
111
items.
3-3.
Components
and
Tools
tools
of
this
manual.
Components
functions,
the
dental
case.
and
and
of
end
both
equipment
unit
except
This
chapter
test
test
equipment
Refer
to
your
of
item
and
UNIT
Section
preventive
repairer
LEVEL
and
personnel.
for
some
provides
I.
tasks
instructions
equipment.
required
unit's
modified
end
item
basic
issue
items
CHAPTER
MAINTENANCE
GENERAL
corrective,
involving
for
maintenance
table
and
are
that
These
personnel
the
and
information
of
organization
basic issue
listed
in
3
INFORMATION
are
beyond
master
of
the
appendix
will
perform
block
to
dental
and
items.
C,
the
scope
assembly,
aid
in
unit
equipment
sections
of
the
user
the
majority
control
performing
are
listed
in
(MTOE)
II
and
III
are
assigned
of
maintenance
block
the
required
appendix
for
authorized
of
this
manual.
to
re-
assemblies,
tasks.
B,
section
3-4.
Expendable
Expendable
dix
D,
section
3-5.
Repair
Repair
3-6.
Special
3-7.
The
crepancies
case
parts
Special
tools
Inspecting
dental
a.
Unpacking
(1)
Remove
(2)
Loosen
Unlatch
(3)
Lift
(4)
aside.
Open
(5)
and
durable
II
of
this
parts.
reguired
tools.
reguired
Section
will
unit
be
must
the
the
unit
the
the
supplies.
supplies
manual.
for
unit
for
maintenance
and
unpacked,
be
reported
unit.
the
shipping
air
relief
case,
the
from
accessory
and
level
maintenance
II.
SERVICE
servicing
inspected,
accordance
in
container
valve
which
case,
and
kit
the
Also
remove
the
materials
of
the
dental
UPON
the
and
with
if
not
previously
is
located
remove
and
lid,
remove
remove
the
reguired
are
listed
unit
are
RECEIPT
unit.
serviced
instructions
the
on
the
the
waste
the
inch
3/4
for
maintenance
in
appendix
listed
described
as
given
removed.
end
of
protective
container,
open-end
E,
in
appendix
OF
in
in
the
case.
foam
accessory
wrench.
of
the
dental
section
II
E,
section
EQUIPMENT
following
the
40-61.
AR
pad.
kit,
unit
are
of
this
manual.
III
of
subparagraphs.
post
and
listed
in
appen-
this
manual.
assembly.
Dis-
Set
the
3-1
TM
8-6520-002-24&P
(6)
Remove
(7)
Fasten
time.
same
foot
(8)
Stand
(9)
Install
(10)
Remove
the foot
the
unit.
performing
procedures.
control
(11)
Set
(12)
Lift
(13)
Loosen
(14)
Locate
(15)
Uncoil
ASE
tip
and
(16)
Feed
(17)
Install
(18)
Screw
(19)
Connect
(20)
Secure
b.
Inspecting
(1)
Perform a visual
(2)
Check
(3)
Perform a thorough
the
(4)
Report
©.
Servicing
For
maximum
pads
the
the
tubing
the
off
the
the
the
initial
the
the
the
Remove
holes,
dental
the top
the
and
the
AVS
the
the
the
the
damage
cap
screw
post
assembly
unit
the
and
secure
into
the
frame
base
unit
on
the
the foot
handpiece
handpieces
the
unit.
unit
procedures
unit.
control
from
inside
unit
upright.
of
the
thumbscrews
install
the
AVS
handpiece
handpiece
AVS
waste
10-foot
accessory
inspection
frame
and/or
that
secures
to
the
mobility,
foot
accessory
upright.
post
unit.
hanger
tubings
container
air
by
inspection
in
the
pads
the
by
tightening
secured
the
unit.
that
and
in
their
and
from
the
supply
kit
and
to
detect any
adjusting
paragraph
discrepancies
the
frame
frame
base
casters
using a 5/32
casters
kit.
secure
bar
case.
for
with
the
on
the
underside
the
assemblies
ASE
tubings and
hangers.
syringe
accessory
onto
tubing
it
to
leaks
2-1.
out
the
to
damage
several
in
base
to
using
the
cap
NOTE
from
the
accessory
inch
hex
wrench,
the
cap
screws
thumbscrews.
of
the
instrument
to
through
kit
onto
bottom
the
quick-disconnect
different
after
components
NOTE
hanger
the
outside
feed
the
their
of
the
which
checking
the
underside
screw
from
unit
with
bar
of
them
out
bottom
tubings.
AVS
assembly.
may
have
heights.
the
control
or
operation
of
and
wrench.
kit
may
be
insert
the
the
foot
an
elastic
assemblies
the
unit.
through
of
the
unit.
on
the
occurred
functions
in
the
unit
using
installed
casters
pads.
Place
cord.
upside
the
bottom
Place
them
short
supply
to
the
in
accordance
the
wrench.
at
this
into
the
the
Carefully
down
in
of
the
in
their
tubing
dental
paragraph
unit.
with
established
draw
the
unit.
unit.
Place
hangers.
under
1-16
and
out
the
Additional
(1)
Syringe.
(a)
(b)
(c)
(2)
Drive
PMCS
A
syringe
table
Change
Pull
the
Insert a replacement
syringe
air
pressure.
servicing
(para
the
syringe
tip
out
tip
that
when
the
instructions
3-9)
or
the
maintenance
tip
by
loosening
with a straight
tip
is
not
air
button
by
pushing
fully
seated
is
motion.
depressed.
and
procedures
the
it
completely
CAUTION
may
may
instructions
nut
approximately
into
cause
the
water
be
incorporated
(para
3-13
1/2
the
syringe
button
through
turn.
seat
to
be
into
either
para
and
tighten
ejected
the
3-23).
the
from
the
nut.
at
the
To
preclude
handpiece
The
drive
the
faceplate
(a)
Install a dental
(b)
Operate
The
handpiece
tool
is
completed
(c)
With
maximum
pressure
Turn
counterclockwise
damage
manufacturer.
air
pressure
of
the
handpiece
actually
in
several
the
foot
control
specified
the
drive
to
the
adjusting
the
unit
(fig
tool
in
the
and
should
not
performing
steps
fully
by the
air
pressure
to
increase
unit,
adjust
screws
1-1).
handpiece
observe
be
operated
its
function.
to
prevent
depressed,
manufacturer.
adjusting
pressure.
CAUTION
the
drive
NOTE
are
located
chuck.
the
drive
CAUTION
more
than a few
The
damage
adjust
NOTE
screws
air
air
pressure
drive
to
the
the
drive
clockwise
pressure
next
to
gauge.
seconds
air
pressure
handpiece.
air
adjusting
to
the
the
water
ata
time
adjustment
to
decrease
TM
8-6520-002-24&P
specifications
coolant
unless a dental
screws
of
knobs
should
until
the
pressure
the
on
be
handpiece
or
runs
(3)
Handpiece
(a)
handpiece.
(b)
(c)
(d)
(e)
visible
to
spray
around
(f)
(4)
Syringe
(a)
(b)
increase
(c)
pattern.
Ensure
Operate
Adjust
A
Adjust
The
faceplate
flow.
the
strong
Turn
the
Operate
the
dental
the
flow.
syringe
Depress
Adjust
the
Depress
coolant
that the
the
handpiece
air
coolant
air
coolant
water
coolant
the
handpiece
tool.
second
flow
of
the
unit
the
water
water
both
buttons
flow.
water
coolant
at
medium
flow
flow
is
flow
and
handpiece
adjusting
button.
flow
(fig
1-1).
by
(air
screws
turning
toggle
as
desired.
recommended.
control
turn
by
and
water)
is
speed
NOTE
clockwise
the
water
following
NOTE
are
located
the
adjusting
simultaneously
in
the
while
until
coolant
the
preceding
above
screw
"OFF"
position
observing
it
seats
flow
control
steps.
the
air
clockwise
and
and a dental
the
preceding
softly.
counterclockwise
coolant
adjust
flow
to
decrease
the
air
tool
CAUTION
control
flow
flow
to
is
installed
.
until a fine
on
the
or
counterclockwise
achieve
the
in
mist
desired
the
is
The
syringe
water.
flow
Forcing
adjusting
the
screws
screws
to
turn
CAUTION
are
not
intended
off
the
water
or
to
completely
air
will
damage
stop
the
the
unit.
flow
of
air
and
TM
8-6520-002-24&P
3-8.
General.
All
lubrication
internal
tings
to
should
o-rings.
the
moving
also
Section
The
unit.
3-9.
General.
a.
The
dental
at
all
times.
failure.
b.
are
things
observing
c.
each
area
on
Operation, A -
unit.
Inspection
Table
3-1
Preventive
you
for
The
following
column:
(1)
Item
the
Equipment
(2)
Interval.
Section
requirements
parts
of
mechanical
be
coated
should
bores
Seal
IV.
PREVENTIVE
PMCS
should
improper
No.
After
chart
unit
must
will
contains a list
maintenance
do
operational
is a list
This
column
Inspection
This
column
Operation, M -
for
the
before
in
this
be
inspected
allow
defects
of
is
any
time
of
the
shows
shows
III.
LUBRICATION
dental
unit
valves
they
are
lightly
be
also
section
and
to
be
PMCS
not
and
items
limited
you
see
indicators,
PMCS
Monthly, Q -
table
the
sequence
Maintenance
when
can
be
performed
and
controls
installed.
lubricated
should
This
makes
before
MAINTENANCE
NOTE
contains
serviced
discovered
to
performing
they
and
each
all
necessary
systematically
and
to
be
performed
the
need
to
maintaining
column
Quarterly.
headings
in
which
Worksheet,
PMCS
item
be
to
B, D,
INSTRUCTIONS
using
a
high
be
coated
their
inserting
with
installation
stems
CHECKS
unit
level
services
to
ensure
corrected
by
checks
done,
the
do
the
DA
is
to
and A should
before
unit
level
maintenance
and
services
such
as
proper
with a description
be
quantities
PMCS,
Form
and
2404.
serviced; B -
quality
a
light
easier
or
silicone
film
pistons.
AND
for
that the
they
result
listed
checking
of
of
is
used
Before
be
performed
base
of
silicone
and
prevents
SERVICES
the
dental
unit
is
ready
in
serious
personnel.
in
the
PMCS
for
general
operating
the
information
to
identify the
Operation, D -
with
grease.
grease.
damage
for
operation
damage
table.
There
cleanliness,
supplies.
found
equipment
During
daily
use
All
of
O-
or
in
the
When
the
items
that
when
the
(3)
Item
to
be
Inspected
checked
or
ITEM
NO
or
serviced.
(4)
Equipment
unusable.
BIDIA
1
x
is
INTERVAL
| M |Q
x
equipment
Will
equipment
not
x
must
not
disrupt
can
and
Ready/Available
Table
ACCESSORIES.
are
their
a.
b.
be
kept
operation.
be
shut
Procedure.
If..
3-1.
Preventive
ITEM
AND
present,
not
function.
Tray
Kit,
accessory
NOTE
in
continuous
Perform
down.
This
This
column
maintenance
TO BE
INSPECTED
PROCEDURE
Check
that
damaged,
operation,
the
column
lists
the
following
and
capable
check
complete
identifies
conditions
checks
and services.
accessories
of
performing
and
daily
the
general
that
service
checks
make
only
those
and
services
area
or
specific
the
equipment
EOUIPMENT
READY/AVAILABLE
IS
-
Tray
is
missing.
Kit
is
missing
components
damaged.
or
are
part
to
be
unavailable
NOT
IF:
critical
missing
or
ITEM
no
2
[By]
|x|x
INTERVAL
D]A|M
Table
3-1.
Preventive
AIR
SYSTEM.
a.
Check
supply.
b.
Check
maintenance
ITEM
AND
that
the
that
the
TO
BE
INSPECTED
PROCEDURE
hose
can
be
unit
pressurizes.
checks
and
connected
services - continued.
to
the
air
TM
8-6520-002-24&P
EQUIPMENT
READY/AVAILABLE
Unit
cannot
connected.
Unit
does
correctly.
IS
NOT
IF:
be
properly
not
pressurize
4 X | X
5
X | X
6
X | X
了
X|X|X
3-10.
operator
If
report
must
unit
level
Reporting
personnel
them.
medical
Refer
equipment
deficiencies.
to
TB
problems
38-750-2
repairer
discover
WATER
a.
b.
HANDPIECES.
operation.
AUTOMATIC
ejector
ORAL
correct
SYRINGE.
of
AUTOMATIC
activation
handpieces.
its
SYSTEM.
Check
the
gauge
Check
for
any
water
Test
SALIVA
for
proper
EVACUATOR.
operation.
operations.
FOOT
Activate
and
CONTROL.
full
range
with
and
you
if
HANDPIECE
inactivation
of
functions.
the
report
need
operation.
for
tank
pressure.
leak.
the
two
handpieces
EJECTOR.
Test
the
oral
the
syringe
and
HOLDER.
of
air
and
Operate
the
foot
equipment
the
assistance.
during
deficiency
for
proper
Test
the
saliva
evacuator
test
water
control
its
full
Test
for
to
and
PMCS
using
for
range
the
the
test
that
the
Tank
‘There
+
fails
are
they
forms.
proper
does
not
correctly.
is a water
Either
handpiece
properly operate.
Automatic
to
provide a variable
Oral
evacuator
or
operates
Syringe
completely
Holder
properly.
Control
completely
unable
Consult
pressurize
leak.
does
saliva
operate
operates
does
operates
ejector
or
fails
volume.
fails
incorrectly.
incorrectly
fails
to
not
operate
incorrectly
fails
to
correct,
to
with
to
operate
operate.
operate.
your
not
to
or
or
they
3-11.
This
installation
functional
3-12.
may
maifunctions.
Scope.
section
of
Preventive
a.
testing.
Functional
b.
General.
Specific
a.
develop
contains
the
Section
information
unit
and
semiannually
maintenance
testing.
troubleshooting
the
in
Each
Perform
dental
symptom
unit
V.
testing
for
thereafter.
checks
Section
information
is
and
functional
located
is
followed
FUNCTIONAL
Perform
dental
the
services.
testing
VI.
locating
for
tables
in
possible
by
unit.
Perform
following
by
TROUBLESHOOTING
correcting
and
through
3-2
causes,
the
PMCS
the
test
TESTING
tests
these
in
listed
procedures
of
many
Symptoms
3-10.
procedures,
following
paragraph
paragraph
in
operating
the
are
corrective
and
receipt
initial
the
before
3-9
2-1.
malfunctions
provided
actions.
and
performing
which
common
for
Upon
3-5
TM
8-6520-002-24&P
completion
reassembled
b.
This
manual
diagnostic
SYMPTOM
1,
AIR
2.
AIR
procedures,
POSSIBLE
OR
WATER
Defective
LEAKS
Defective
Defective
3.
AIR
LEAKS
Defective
4,
NO
AIR
COOLANT
Obstructed
The
Debris
WATER
NO
5,
No
of
the
corrective
and
the
cannot
CAUSE
TEST
LEAKS
o-ring
Disconnect
bore
for
FROM
THE
exhaust
Isolate
control
o-ring seal
Check
FROM
THE
inlet
seal
Remove
and
the
FROM
air
passage
Refer
air
coolant
Remove
control.
lodged
in
Disassemble
COOLANT
water
supply
Verify
front
action(s),
unit
tested.
list
all
notify
your
PROCEDURE
CORRECTIVE
FROM
AROUND
seal
on
the
stem.
the
air
defects.
Replace
WATER
the
seal
must
COOLANT
in
the
source
be
depressed, A leak
Remove
around
for
leaks
around
Remove
WATER
COOLANT
or
defective
the
valve
bore
in
the
Replace
EITHER
in
the
to
the
instructions
Take
corrective
flow
is
not
getting
coolant
air
the
for
Check
Remove
the
valve.
and
Carefully
EITHER
FROM
to
the
master
is
water
that
the
of
Check
unit.
Remove
the
component
possible
supply,
any defective
valve.
of
the
and
the
the
malfunctions.
appropriate
Table
3-2.
ACTION
THE
SYRINGE
bleed
the
system
parts.
TOGGLE
leak
using a soap
around
disassemble
the
valve.
the
perimeter
valve.
Inspect
TOGGLE
o-ring
seal
around
from
the
master
block
master
block.
any
defective
HANDPIECE
control
in
to
flow
stream
a
obstructions
check
clean
parts.
(WATER
block
next
paragraph
action
as
indicated
the
master
valve
control
coming
air
of
in
the
for
foreign
material
all
passages.
HANDPIECE
block.
try
then
tank,
the
in
obstructions
for
obstructions.
or
If a malfunction
maintenance
Master
block
troubleshooting.
FLOW CONTROLS.
pressure,
VALVE
WHEN
solution.
the
toggle
valve.
Inspect
of
the
valve.
the
o-ring,
seat,
VALVE
WHEN
the
valve.
and inspect
COOLANT
to
the
master
3-17.
in
paragraph
block.
master
the
from
from
air
coolant
Check
COOLANT
(AIR
spraying
in
the
in
the
the
water
the
water
needle
tube
passages.
filter
assembly
support
and
remove
TURNED
When
testing
confirms
the
exhaust
and
bore.
TURNED
the
o-ring
WORKS
block.
3-17.
block.
valve
or
the
barb
in
the
WORKS
the
from
the
or
tube
should
is
unit.
the
ON.
for
that
the
seal
Replace
not
listed
flow
leaks
exhaust
area.
any
be
control
from
defective
OFF.
around
the
rear
PROPERLY).
Turn
bore
on
air
supply.
the
in
the
master
master
unit
the
PROPERLY).
Check
syringe.
inlet
on
barb
cleaned
or
is
notdetermined
stem.
the
valve,
seal
is
defective.
Replace
any
parts.
of
the
valve,
step
and
on
block.
block.
water
the
at
master
the
and
lubricated,
Inspect
the
o-ring
the
foot
defective
on
parts.
the
o-ring
foot
the
the
on
outlet
block.
by
routine
and
seat,
then
3-6
SYMPTOM
POSSIBLE
The
Clogged
The
TEST
signal
air
While
around
water
Turn
turn
signal
air
Clamp
where
the
CAUSE
PROCEDURE
CORRECTIVE
is
not
getting
to
stepping
passage
the
the
is
not
they
signal
on
the
the
toggle
each
Remove
in
the
water
pressure
water
pressure
Run a small
getting
through
hemostats
go
into
air
comes
Remove
on
Table
3-2.
Master
ACTION
the
master
block.
foot
control,
time
obstructions
master
toggle "OFF,"
toggle
wire
the
the red
the
master
through
obstructions
turn
you
tum
the
in
the
signal
block.
then
"ON"
and
through
the
master
block.
tube
(oral
block.
Step
the
passage
in
the
master
block
troubleshooting - continued.
the
water
coolant
valve
off.
air
tube
separate
see
if
water
passage
cavity
water)
on
the
on
the
block
valve
or
the
the
control
comes
to
dislodge
and
the
foot
control,
end
of
the
or
water
barb
from
debris
orange
Turn
master
coolant
on
and
off.
on
the
master
blocks
from
the
end
from
tube
the
water
block.
valve.
Listen
block.
the
master
of
the
master
the
master
with
black
coolant
TM
for
air
block.
block.
È
dashes
valve
8-6520-002-24&P
to
exhaust
block.
Momentarily
(drive
air)
on
and see
if
SYMPTOM
POSSIBLE
1,
AUDIBLE
Loose
Defective
2.
WATER
3.
AIR
LEAKS
Loose
Defective
BUBBLES
Low
CAUSE
TEST
PROCEDURE
AIR
LEAK
FROM
connections.
Use a soap
gasket,
o-ring,
Use a soap
FROM
THE
connections.
Use a soap
gasket
or
Inspect
IN
THE
WATER
water
level
in
Table
CORRECTIVE
THE
CONTROL
solution
to
locate
Tighten
the
cap
solution
For
replace
diaphragm.
CONTROL
solution
Tighten
holds
diaphragm
the
gasket
For a leak
the
the
water
bolt
and
front
cover
or
diaphragm
to
locate
leaks
between
the
holdback
BLOCK.
to
locate
the
socket-head
the
blocks
seat.
and
check
between
diaphragm.
COOLANT.
tank,
3-3.
Control
ACTION
BLOCK
AREA.
the
exact
that
secures
to
seal.
the
the
the
together.
for
the
Replace
the
the
block.
exact
blocks,
diaphragm,
exact
screws
flaws
in
blocks,
any
blocks
troubleshooting.
point
of
the leak.
blocks
together
point
of
the
leak.
replace
the
For a leak
point
that
the
replace
defective
gaskets.
around
of
the leak.
secure
sealing
surfaces.
the
gaskets.
parts.
and
the
cap
the
screws
For
leaks
the
to
between
water
valve
the
top
For a leak
that
secure
the
cap,
of
the
block,
around
the
the
water
block
and
replace
the
or
tighten
water
valve
valve
the
front
water
valve
the
bolt
cap,
replace
cover,
that
3-7
TM
8-6520-002-24&P
SYMPTOM
POSSIBLE
Loose
fasteners.
Cross-leaks
4.
WATER
DRIPS
Improperly
Water
valve
Defective
Defective
WATER
OR
AIR
5.
USED.
The
holdback
The
front
6.
RESTRICTED
FLOW
Debris
blocking
CAUSE
TESTPROCEDURE
CORRECTIVE
Check
the
water
tank
Refill
the
Check
for
movement.
Tighten
the
bolt
that
under
the
water
Remove
block
and
the
cap.
cap
from
Replace
CONTINUOUSLY
installed
Look
at
the
front
of
the
FROM
water
valve
top
of
unit.
Remove
stem
is
stuck
or
Disconnect
the
the
control
block.
air
Press
Remove
inlet
seal
in
the
water
Remove
seat
There
in
the
is
the
no
stem
Replace
control
test
to
steps.
Replace
HANDPIECE
A
FROM
LEAKS
diaphragm
Disconnect
Check
for
is
the
air
defects
Reinstall
surface
of
the
block
Visually
inspect
the
Install a new
OF
AIR
OR
WATER.
internal
passages.
pinched
for
first
Check
the
control
control
blocks.
system,
Table
3-3,
Control
ACTION
to
ensure
that
it
has
water
tank.
socket-head
secures
valve
diaphragm.
the
top
any defective
THE
screws
the
block
together.
of
the
control
parts.
HANDPIECE
cap.
the
control
block.
The
the
cap and
has a defective
supply
the
stem
install
retum
and
release
and
release
and inspect
it
pressure
the
valve.
and
inspect
the
inlet
any defective
parts.
block.
verify
this
except
the
the
control
block.
IS
THAT
defective
supply,
in
or
improperly
then
the
the
is
defective.
front
remove
remove
diaphragm.
diaphragm
surface
of
control
block.
other
or
tubing
the
barbs
or
install a new
the
and
blocks
troubleshooting - continued.
an
adequate
that
secure
block
WHILE
manufacturer's
the
and
carefully
THE
supply
water
UNIT
name
correctly.
spring.
from
the
water
valve
it
for
defects.
seal
o-ring.
elimination
IN
NOT
stem
of
USE,
water
to
Replace
other
possibilities
ONLY
installed.
the front
cover
from
one.
block
in
the
area
of
the
the
check
outside
debris
for
before
restrictions
of
water.
valve cap
inspect
IS
ON,
should
tank,
check
any defective
WHEN
the
control
air
control
to
the
the
diaphragm
BUT NOT
be
right
then
remove
its
freedom
parts.
as
explained
ANOTHER
block
passages.
system.
disassemble
you
control
block,
and
IN
USE.
side
up
when
the
cap
of
movement.
in
the
HANDPIECE
of
the
leaking
isolate
you
If
the
master
and
tighten
the
surfaces
viewed
from
and
diaphragm
proceeding
BEING
IS
handpiece.
problem
the
block
or
the
of
the
the
from
to
3-8
SYMPTOM
POSSIBLE
7.
NO
AIR
OR
Defective
8.
NO
AIR
COOLANT
Obstructed
9.
NO
AIR
COOLANT
Clogged
Clogged passage
10.
NO
WATER
The
Clogged
WATER
NO
41.
Improperly
Leaking
TEST
WATER
water
COOLANT
signal
Refer
FROM
air
Select
blocks
control
FROM
tube
Switch
control
Disconnect
coolant
COOLANT
supply
Refer
through
passage
the
If
block
COOLANT
installed
Look
of
the
water
Remove
Clean
all
CAUSE
PROCEDURE
CORRECTIVE
FROM
relay
on
the
to
the
signal
Repair
as
EITHER
passage
in
valve
in
the
one
of
the
okay.
handpieces,
If
are
block.
Disconnect
any
debris.
ONE
HANDPIECE.
the
handpiece.
the
handpieces
block.
Clean
or
in
the
control
the
air
outlet
barb
Run a wire
FROM
EITHER
or
the
signal
to
the
information
the
master
Repair
as
in
the
control
signal
and
water
instructions,
all
Clean
ONE
FROM
water
valve
of
top
the
at
unit.
Remove
diaphragm.
the
water
clogged
Clean
debris
from
the
Table
3-3.
Control
ACTION
EITHER
foot
relay
required.
HANDPIECE
control
no
air
the
replace
block.
supply,
from
through
air
block.
required.
block
remove
internal
HANDPIECE.
cap.
control
the
and
valve
HANDPIECE.
control.
information
(WATER
block
then step
comes
out,
air
supply
around
and
the
air
then
remove
the
back
the
HANDPIECE
is
not
getting
in
paragraph
nearest
getting
are
air
disassemble
and
passages.
block.
install
the
cap
and
passages
barbs
and
passages.
blocks
troubleshooting - continued.
in
paragraph
COOLANT
next
to
the
master
on
the
there
and
test
coolant
of
the
passage
(AIR
to
3-17
to
to
Inspect
The
cap
correctly.
inspect
and
chip
is
an
obstruction
remove
the
each
one
tube.
the front
control
block.
to
dislodge
COOLANT
the
control
to
determine
the
master
control
the
control
the
all
manufacturer's
the
diaphragm
If
barbs.
1-18.
WORKS
block.
blower
bolt.
Use a wire
to
determine
cover
and
any
WORKS
blocks.
if
block.
blocks
block
and
parts
name
for
still
water
PROPERLY).
button,
If
air
joint
to
comes
between
probe
the
the
problem
from
the
at
the
whether
diaphragm
obstructions.
PROPERLY).
the
water
supply
and
tests
confirmed
as
nearest
replace
should
the
that
any
be
by
master
are
right
leaks.
new
a
install
leaks,
TM
8-6520-002-24&P
from
the
the
control
signal
handpiece,
master
block
passages
given
block.
is
in
air
in
and
the
block.
are
the
handpiece
getting
master
defective.
viewed
when
up
side
diaphragm.
the
control
and
the
first
dislodge
or
Remove
the
from
the
air
front
the
3-9
TM
8-6520-002-24&P
SYMPTOM
1,
AUDIBLE
2.
LEAKS
3.
VALVE
POSSIBLE
LEAK
Improper
Inlet
seal
FROM
Improper
Exhaust
DOES
Improper
CAUSE
TEST
PROCEDURE
WHEN
THE
positioning
Loosen
the
does
not
fully
Turn
the
microvalve
THE
VALVE
positioning
Loosen
the set
seal
does
not
With a hemostat,
the
exhaust
NOT
EXHAUST
positioning
Loosen
the
exhausting
The exhaust
seal
o-ring
mid-1978.)
With a hemostat,
closely-spaced
the
end.
The
4.
NO
AIR
FLOWS
Improper
THROUGH
positioning
Loosen
the set
No
air
Debris
pressure
inside
at
the
Disconnect
the
microvalve.
off
Clamp
Table
CORRECTIVE
VALVE
IS
OFF.
of
the
microvalve
set
screw
in
Tighten
the set
close.
on
Tighten
Tighten
Clean
Tighten
loose
WHEN
TURNED
of
the
microvalve
screw
the set
fully
close.
clamp
seal
area
debris
WHEN
of
the
microvalve
set
screw
from
the
the
is
installed
and
for
TURNED
in
valve.
set
clamp
grooves
other
groove
If
the
o-ring
is
debris
in
the
THE
VALVE
of
the
microvalve
screw
and
Tighten
the
set
vaive
inlet.
the
tube from
If
no
air
comes
tube
inlet
the
or
debris
no
If
3-4.
Three-way
ACTION
in its
the
mount
screw
to
and
listen
connections
ON,
in its
push
the
screw
to
off
the
tube
defects
or
from
the
valve
OFF.
in its
the
mount
screw
to
in
the
wrong
off
the
tube
in
the
exhaust
should
in
the
wrong
exhaust
seal
WHEN
TURNED
in its
push
the
screw
to
the
inlet
from
the
hemostat,
a
with
are
defects
microvalve
mount.
and
move
the
lock
the
valve
for
continued
or
mount.
microvalve
lock
the
connected
debris.
or
mount.
and
lock
groove
connected
end
be
empty.
groove,
area.
mount.
microvalve
lock
barb
tube,
noted,
leaks.
replace
any
further
valve
to
replace any defective
move
the
the
valve
on
to
of
the
(Stems
move
ON.
further
the
valve
and
check
look
for a problem
disassemble
then
look
troubleshooting.
microvaive
in
position.
defective
in
place.
the
microvalve
in
position.
the
the
stem,
Look
for a loose
into
its
inlet
barb,
stem.
(This
inlet
barb,
the
exhaust
out
slightly
parts,
mount
then
parts.
out
slightly
applies
then
manufactured
it
to
the
correct
into
the
mount.
in
position.
for
air
coming
from
on
the
outlet
valve
the
the
for
blockage
a
in
while
listening
connection
while
listening
disassemble
while
listening
only
to
stems
disassemble
seal
o-ring
before
groove.
the
and
tubing
belongs
mid-1978
If
the
o-ring
tube.
side
of
the
for
inspect
the
on
for
continued
on
the
inlet
barb.
,
for
continued
the
valve.
leaks.
Inspect
for a short burst
manufactured
the
valve.
Of
the
in
the
not
have
is
correctly
or
of
side
one
this
debris.
the
do
valve.
defects
inlet
leaks.
all
parts
of
air
after
two
closer
to
groove.)
installed,
valve.
in
remove
3-10
SYMPTOM
1,
AUDIBLE
2.
INADEQUATE
3.
FOOT
POSSIBLE
TEST
LEAK
WHILE
Loose
mounting
to
aseplate.
Loose
connection,
Remove
from
Defective
Pinched
Obstruction
CONTROL
Sticking
o-rings
Turn
surfaces
AIR
FLOW
tubing
Inspect
at
With
IS
stem.
Remove
parts.
CAUSE
PROCEDURE
CORRECTIVE
THE
FOOT
screws.
the
foot
control
Tighten
the
foot
the
signal
relay,
If
the
leaking
step.
or
sealing
the
unit
off
for
defects
Remove
FROM
going
to
or
the
foot
Replace
the
inlet
or
the
cover
removed,
Replace
SLUGGISH.
the
valve
If
there
parts.
Table
CONTROL
face
down
the
two
phillips-head
control
cover
refer
to
air
is
leaking
from
the
exhaust
surfaces.
and
bleed
the
and
debris.
debris
or
replace
THE
FOOT
CONTROL.
from
the
foot
control
tubing
the
tubing.
outlet.
depress
any
defective
body
from
is
any
sticking
3-5.
Foot
ACTION
IS
NOT
BEING
and
check
screws.
and
use
the
around
for
the
a
instructions
the
vent
air
pressure,
the
o-rings.
control.
crimps
the
piston
parts.
base.
Remove
or
binding,
control
valve
troubleshooting.
USED.
the
tightness
soap
solution
covering
barb
connection,
or
around
the
the
bottom
Disassemble
or
restrictions.
and
check
and inspect
remove
the
of
the
two
to
locate
signal
tighten
of
the
foot
for
adequate
the
stem,
spacers,
phillips-head
the
source
relay
in
paragraph
the
barb
the
o-rings
and
valve
body,
control.
inspect
air
flow.
and
and
o-rings.
screws
of
the
retest
proceed
spacers
TM
8-6520-002-24&P
at
the
center
leak.
For
aleak
1-18.
the
valve.
If
the
with
the
next
the
o-rings
and
sealing
for
debris
or
defective
Replace
any
defective
of
the
air
is
|
SYMPTOM
1.
NO
SIGNAL
POSSIBLE
TEST
FROM
Signal
relay
Visually
to
CAUSE
PROCEDURE
CORRECTIVE
THE
SIGNAL
installed
check
line
up
with
Remove
RELAY
upside
down.
the
signal relay
the
passage
it
Table
VALVE.
and
install
3-6.
Signal
ACTION
valve.
on
the
foot
it
properly.
relay
It
must
be
control
valve
valve
troubleshooting.
positioned
as
shown
body.
in
figure
1-6
in
order
for
the
inlet
|
|
passage
TM
8-6520-002-24&P
SYMPTOM
POSSIBLE
TEST
2.
3.
4.
Defective
AIR
SIGNAL
The
The
AUDIBLE
AIR
Improper
Signal
AUDIBLE
AIR
Improper
Signal
or
Remove
the
FROM
stem
return
Remove
valve
stem
Disassemble
LEAK
seating
Use a soap
relay
If
Inspect
LEAK
seating
Depress
relay
While
CAUSE
PROCEDURE
CORRECTIVE
improperly
diaphragm
THE
is
WHILE
inlet
the
leak
WHILE
exhaust
the
installed
the
signal
must
Replace
SIGNAL
spring
is
the
hex
If
the
stuck
in
the
Replace
THE
of
the
diaphragm.
solution
If
the
replace
seal
does
is
from
the
stem,
Replace
THE
of
the
diaphragm.
the
foot
If
the
If
the
seal
foot
control
Tighten
the
exhaust
missing.
spring
the
leak
leaking
leak
does
Table
3-6.
diaphragm.
relay
from
aligned
be
any
defective
RELAY
DOES
plug
from
the
is
missing
open
position.
signal
relay
any
defective
UNIT
IS
NOT
to
locate
is
at
the
the
diaphragm.
not
fully
close,
the
exhaust
o-rings,
UNIT
control
and seats
any
defective
IS IN
USE.
until
increases
persists,
not
fully
is
depressed,
the
barb
or
seal
area
Signal
relay
valve
ACTION
the
foot
control
passages
the
with
parts.
NOT
SHUT
end
of
the
signal
or
defective,
valve
and
inspect
parts.
IN
USE.
the
source
of
the leak.
diaphragm
holes,
the
replace
close.
the
for
line,
shut
the
for
debris
parts.
relay
is
actuated.
with
pressure
the
diaphragm.
check
for
sleeve
as
debris
or
necessary
troubleshooting - continued.
and
check
for
the
in
OFF.
relay
valve
replace
it.
all
parts
tighten
the
unit
off,
then
or
defects.
While
on
the
leaks
from
defects.
to
Replace
defects,
valve
and
for
defects,
signal
remove
listening
foot
control,
the
exhaust
stop
debris,
bodies.
verify
debris,
relay
mounting
the
to
the
tighten
holes
the leak.
any
defective
or
improper
that
the
spring
or
improper
screws.
signal
relay
leak,
depress
the
signal
in
the
If
air
comes
parts.
installation.
is
in
place.
installation.
If
leaking
from
the
foot
the
foot
control
relay
mounting
signal relay
from
the
body.
exhaust
The
holes
persists,
control.
all
the
way.
screws.
holes,
inspect
in
SYMPTOM
POSSIBLE
1.
AIR
LEAKS
Improper
CAUSE
TEST
PAST
THE
positioning
Loosen
Table
3-7.
PROCEDURE
CORRECTIVE
VALVE
WHEN
TURNED
of
the
microvalve
the set
screw
in
Tighten
the set
Chip
blower
ACTION
in
the
mount,
screw
valve
OFF.
its
mount.
and
and
lock
(two-way
move
the
microvalve
the
valve
in
microvalve)
troubleshooting.
out
slightly
position.
while
listening
for
continued
leaks.
SYMPTOM
POSSIBLE
2.
IS
3.
AIR
OFF.
NO
Inlet
LEAKS
Leaks
The
AIR
FLOWS
Improper
No
Debris
TEST
seal
does
Turn
AROUND
past
the
Use a hemostat
internal
stem
seal
Disassemble
of
the
be
THROUGH
positioning
Check
air
pressure
Disconnect
inside
Clamp
Table
3-7.
CAUSE
PROCEDURE
CORRECTIVE
not
fully
close.
the
microvalve
Look
for a loose
THE
STEM
stem
seal.
parts
and
Replace
o-ring
is
installed
the
stem,
the
Move
THE
of
position
Loosen
the
valve
the
If
no
the
If
no
valve.
o-ring
the
VALVE
the
tube
air
inlet
debris
empty.
the
at
the
microvalve.
off
Chip
blower
ACTION
on,
and
listen
connection
WHEN
THE
VALVE
to
clamp
off
surfaces
any
microvalve
o-ring
microvalve
of
the
inlet.
from
comes
tube
the
for
defective
in
the
wrong
and
belongs
to
the
WHEN
in its
the
microvalve.
set
screw
the
from
with a hemostat.
or
defects
valve
(two-way
for
IS
tube
debris
or
parts.
groove.
inspect
in
the
one
correct
TURNED
mount.
and
push
inlet
barb
the
tube, look
are
noted,
microvalve)
continued
on
the
inlet
ON,
AND/OR
connected
defects.
the
stem.
further
groove.
ON.
the
microvalve
and
check
for a problem
Disassemble
look
troubleshooting
leaks.
barb.
Replace
OUTLET
to
the
inlet
barb,
Of
the
for
two
the
end.
further
air
coming
the
in
valve
from
for a blockage
any defective
PRESSURE
then
disassemble
closely-spaced
The
groove
closer
into
the
mount.
from
the tube.
the
inlet
circuit
and inspect
in
the
tubing
TM
8-6520-002-24&P
-
continued.
parts.
EXHAUSTS WHEN
the
valve.
grooves
of
for
in
to
the
Tighten
the
valve.
debris
the
outlet
in
the
end
the
or
defects.
circuit
set
THE
Inspect
outlet
should
screw.
of
the
VALVE
all
end
SYMPTOM
POSSIBLE
1,
AUDIBLE
Inlet
2.
THE
VALVE
Loose
LEAK
seal
LEAKS
connection
CAUSE
TEST
PROCEDURE
WHEN
THE
does
not
Tum
the
WHEN
Use a soap
CORRECTIVE
VALVE
IS
fully
close.
valve
on
and
Replace
at
Tighten
TURNED
the
outlet
solution
any
or
Table
3-8.
ACTION
OFF.
listen
for
defective
ON.
fitting.
to
locate
the
replace
the
Three-way
continued
parts.
leak.
barb,
leaks.
sleeve,
toggle
valve
Inspect
or
washer,
troubleshooting.
the
inlet
seal area.
as
necessary.
|
|
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