A-dec 3420 Maintenance Instructions

2601

CRESTVIEW

INSTRUCTION

MANUAL

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111 « NEWBERG,

OREGON

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#4

“aídec

Operation

and

Maintenance

Instructions

Pac

Model

|

(portable)

3420

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this

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Operation

Maintenance

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1

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Page

2

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|
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3

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Page

4

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5

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Page

10

85.0681.00

Rev H 2004-05

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Page

11

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Page

12

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and

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manual

higher

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of

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WARNING

maintains

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4.

5.

NOTE:

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maintenance

ICX

water

Water

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than

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been

published

for

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cfu/ml.

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your

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empty

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contamination,

Fill

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dental

Wait

60

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unit

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equipment

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prepare
Waterline

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treatment

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refilling

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unit

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|

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35.

Steril-Vac

85.0681.00

Rev H 2004-05

(04052)

Page

13

Oil

The

your
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use.

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Publication

Instructions

recommended

to

Equipment

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asepsis

Asepsis

instructions,

Owner's

Guide

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pad

36.

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|

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Collection

collector

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Discard
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Page

14

85.0681.00

Rev H 2004-05

(04052)

aintenance

General

Parts

the

In

will

find

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possible

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seal

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troubleshooting

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85.0681.00

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Page

15

Test

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85.0681.00

Rev H 2004-05

(04052)

Page

17

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No:

3.

Are

the

Yes:

No:

4.

Does

Yes:

No:

Insufficient

1.

Does
Yes:

No:

Check

pressure

Yes:

No:

Watch
the

syringe

sure
Yes:

No:

Water

the

syringe

Proceed
Verify

that

self-contained

wet/dry

(toward

Proceed
Move

the

the

blue

coolant

Proceed

Set the

specified
test

the

the

handpiece

Refer

to

section.

Refer

to

Drive

the

problem

Proceed
Refer

to

adjustment

Routine

the

system

of

at

Proceed

Refer

to

Assembly

the

system

right-hand

drop

by

Remove
according
instructions
page

20.

Refer

to

From

work?

with

Step

there

is

water

toggle

on

the

blue

to

Step

3.

toggle

to

dot)

and

water

flow

to

Step

4.

coolant

unit.

in

the

the

Routine

water

coolant

Century:

Signal

Air

affect

to

Step

2.

the

drive

procedures

Adjustments.

air

pressure

least

70

psi

to

Step

3.

the

Air

Filter/Regulator

section.

air

pressure

more

than

and

inspect

to

the

Clogged

in

Air

the

Foot

Either

2.
water

bottle.

the

foot

dot)?

the

On

re-test

controls

controls

Adjustments.

air

II

Relay Valve

Handpiece

in

the

control

position

the

unit.

open?

as

work?

Control

in

|

*

Blocks

section.

Pressure

both

handpieces?

air

pressure

in

gauge.

(483

kPa)?

gauge

(air)

button.

15

psi

the

air

Filter/Regulator

Control

Does

(103

kPa)?

filter

Filter

IT

Valve

Does

while

Element

section

the

On

(toward

Then,

re-

it

show

pressing

the

pres-

on

section.

a

85.0681.00

Rev H 2004-05

(04052)

Page

19

and

Air

Filter/Regulator

Air
manifold

Figure

The
entering
serviced
impede

Servicing

The

in
lems:
age,

To

‘

locate
Part
kit.

drawing

Checking

First,

system
hand

pressure

filter

ff

go>

Wry

Moisture

separator,
manual

48.

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filter/regulator

supply

air

the

and

service

No.

Included

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the

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when

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the

flow

the

filter/regulator

Pac I is

(1)

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ensure

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element

subject
clogged
(3)

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any

part

Air

Filter/Regulator

90.1066.00),
in

of

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assembly

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pressure

button

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by

is

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to

the

Air

Filter/Regulator

filter

leakage.

of

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the

service

Filter

supply

gauge

of

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more

clogged

assembly

through

The

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regulator.

assembly

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only

element,

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air

kit

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syringe.

than

and

Air

filter/

regulator

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(24.0030.00)

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(2)

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Service

is

in

your

are

an

replacement

connected.

pressing
If

15

psi

must

be

should

clogged

types

of

external

Kit

(A-dec

field

exploded

parts.

Watch

the

the

(103

Kpa),

replaced.

to

used

prob-

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first

repair

right-

be

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action

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2.

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If
pressure
there
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certain
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bottom
The

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Leakage

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Part

Number

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may

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from

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valve.

replace

includes

97.0403.00).

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cover.

replace

97.0402.00)

gauge

the

unit

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valve

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seal.

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new

is

not

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the

included

Part

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on

the

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at

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top

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or

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or a defective

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in

the

No.

be

sealing

Clogged

To

replace

1.

Disconnect
head.

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Relieve

(right-hand)

tle.

3.

From

remove
retainer.

4.

Install

in

Page

20

the

the

Filter

the

filter

the

system

button,

bottom

the

filter

the

new

service

kit,

Element

element:

supply

pressure

filter

air

and

of

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element

element

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by

by

unit,

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from

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the

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element

control

syringe

retainer,

air

water

bowl,

included

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85.0681.00

Rev H 2004-05

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The

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first

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block

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Figure

cap

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pressure

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you

servicing

II,

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which

kit

and

replacement

occurs

valve

53).

after

of

the

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water

and

through

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from

is

in

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are

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when

diaphragm,

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passing

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valve

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unseats

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valve

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exploded

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Block

the

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field

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up,

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the

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to

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to

blocks,

(A-dec

repair

drawing

in

air

it

the

kit.

Page

22

85.0681.00

Rev H 2004-05

(04052)

Symptom

Audible

leakage

the
block

Water

from
control

Air
the

water

Water

continuously
from
handpiece

while

is

air

from

control

area

leakage | Loose

the

block

bubbles

coolant

drips

the

the

not

in

Possible

Loose

connections

Defective
O-ring , or
diaphragm

connections | Depending

Defective
or

diaphragm

in

Low

water

the

water

bottle

Loose

fasteners

Cross-leakage
under

the

valve

diaphragm

Improperly

installed

valve

cap

unit

Water

use

valve

is

stuck

defective

spring

Defective

in

the

water

Defective
the

control

or

Cause

gasket,

seal

gasket

seat

level

water

water

stem

has

a

return

inlet

seal

valve

seat

in

block

Century

|

Locate

soap

bolt that
and

cap

|For
replace
the
holdback
the

diaphragm.

tighten
the

bolts

For
gasket.
cap,

in

Check

adequate

Tighten
the
tighten
together.

Remove
control
diaphragm
and

Look
dec
viewed

Disconnect
system
bottle.
the

water

movement.

Remove
O-ring.

There
elimination
explained

li

the

solution

secures

the

screws

and

front

leakage

the

block

and
diaphragm.

water

valve

the

cap

to

the

that

hold

leakage

For

replace

the

water

supply

the

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valve

the

the

block

cap.

at

the

name

should

from

pressure

Remove

control

valve

the

is

no

in

Control

Procedure

Test

exact

point

if

necessary.

the

control

that

secure

cover

to

between

gaskets.

on

socket-head

between

leakage

the

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tie

cap

and

top

the

the

block.

stem

stem,

test

of

the

For

the

front cover,

cap,

replace

the

point

top

of

the

control

around

water

bottle

of

water.

cap

to

bolt

that

from

and

carefully

the

surfaces

of

the

be

left-hand

supply

by

loosening

the

cap

Press

to

check

and

to

verify

other

possibilities

preceding

the

For

the

the

right

Block

of

leakage,

Tighten

blocks

the

the

control

control

leakage

leakage

the

of

leakage,

screws

block,

block

blocks,

the

valve

diaphragm.

to

ensure

screws

the

control

secures

the

top

inspect

of

control

side

side

air,

and

and

diaphragm

and

release

its

inspect

this,

steps.

water

replace

water

that

or

water

the

of

the

block.

up

of

relieve

the

freedom

the

except

Troubleshooting

If

Test

Is

use

a

If

no

leakage

the

tie

on

the

control

together | check

valve | connections.

blocks.

blocks,

between

the

around

valve

secure

the

tie

together.
replace

that

the

valve

it

has

secure

block,

blocks

the

block

The

when

the

water

the

inlet

the

as

the

an

and

A-

unit.

from

of

seal

the

If

this

stops
leakage,
[action

is

If

this

stops

|leakage,

action

is

If

this

stops

leakage,

actions

is

If

it

does,

next

step.

If

this

corrects
problem,
action

is

If

no

defects

observed,

new

diaphragm.

Re-assemble
the

unit.

If

the

cap
installed,
the

next

If

the

stem
move

freely,
to

the

next

If

the

O-ring
defective,
the

next

Corrective

Normal

is

found

blocks,

barb

the

no

further

required.

the

no

further

required.

the

no

further

required.

proceed

the

no

further

required.

are

install

a

and

test

is

properly

proceed

step.

seems

proceed

step.

is

not

proceed

step.

Action

If

Test

is

Abnormal

|

If

tightening

fasteners

the

leakage,

with

the

If

leakage
check
sealing
Replace
parts.

If

tightening
fasteners
the

leakage,

with

the

If

leakage

check
sealing
Replace

parts.

to

Refill

If

there
water,

next

step.

Replace
parts.
test

the

If

it

is

to

the

cap
correctly.
the

unit.

to

If

it

sticks,

stem
debris
Replace
parts.
test

the

Replace

to

parts.
test

the

Replace

block.

test

the

the

fails

to

proceed

next

step.

continues,

for

flaws

in

surfaces.

any

defective

the

fails

to

proceed

next

step.

continues,

for

flaws

in

surfaces.

the

defective

the

water

bottle.

is

still

air

proceed

Re-assemble

wrong,

and

and

Reassemble

Reassemble

Reassemble

any

defective

unit.

remove

and

install

Retest

remove

inspect

defects.

any

defective

valve.

any

defective

valve.

the

control

unit.

to

stop

the

stop

the

in

the

the

and

it

the:

it

for

and

and

and

85.0681.00

Rev H 2004-05(04052)

Page

23

Symptom

Air

or

water

leaks

froma | diaphragm

handpiece

is

notin
only
another
handpiece

being

Coolant
sometimes
sprays
momentarily
from
handpieces
the
valve

that | defective

use,

when

is

used

the

as

selector

is

turned

Possible

|The

|improperly
installed

Defect

surface

block

The
valve
exhaust
released

Cause

holdback

or

in

the

of

the

foot

control

fails

to

when

Century

Disconnect

is

front
leaking
diaphragm.

front

|Visually
block

¡Refer
Valve

it

is | procedures.

II

Control

Test

the

cover

from

handpiece.

inspect

in

the

area

to

the

instructions

for

the

test

Procedure

air

supply,

the

control

Check

the

front

of

the

Block

then

block

for

defects

surface

air

passages.

in

Foot

Troubleshooting

If

Test

remove

for

the | not

in

of

the

Control

the

the

Ш

|Ifthe

diaphragmis

defective,

to

the

next

If

no

defects
visible,
reassemble
control
the

unit.

Corrective

Is

Normal

proceed | defective,

step.

are

carefully

the

block

and

test | Reassemble

Action

If

Test

is

Abnormal

_If

the

diaphragm

install a new

one.

Reassemble

test

the

unit.

If

the

surface
defective,
control

the
Take

as
control
instructions
page

install a new

block.

unit.

corrective

indicated

valve

26.

and

in

on

is

and

is

test

action

the

foot

Restricted

of

air

No
or

water

either

handpiece

No

from
handpiece

(coolant

works

properly)

or

water

coolant

coolant

from

coolant

either

water

flow

|Debris

blocking | Check

internal

air

Defective
relay
control

air

The

flow
closed

Obstructed
passage
control

passages

signal

on

the

coolant

control

in

block

foot

air

is

air

the

restrictions
block

Refer
conduct
signal

Turn

counterclockwise

handpiece.

Select
foot
handpiece,
air
control

|
|

first

system.

to

the
the

relay

the

coolant

one

control

comes

block.

for

pinched

outside

signal
tests

valve.”

of

the

disc.

the

control

out,

there

tubing

the

Century

relay

instructions

for”

No

signal

air

flow

control

while

running

handpieces,

If

air

comes

blocks

is

an

obstruction

or

other

IT

from

a

then

from

are

control

and

the

step

on

the

okay.

If

in

the | tubing.

Ifthe

signal

relay

is | Clean

okay,

look

for

a
pinched
tube
signal
handpiece

system.

If

okay,

pinched

tube
signal

handpiece

system.
If

flowing,
desired

|If
the

no | okay,

between

relay

the

signal

look

between

relay

the

coolant

the

test

control

look

or

plugged

the

and

the

control

relay

is

for

a

or

plugged

the

and

the

control

air

starts

adjust

for

spray.

indicates

blocks

for

pinched | control

the | the

are

all

the

barbs and
passages.
no

tubes

or

pinched.

If

this

does

coolant
flowing,
next

|If
|obstruction

disconnect
air
bolt.
probe
and

debris.

test

proceed

step.

the

test

block,

and

remove

Use a wire

the

dislodge

Reassemble

the

unit.

debris

from

Make

sure

are

crimped

not

start

air

，

to

indicates

in

the

the

supply

the

to

passages

any

©

the

an

tie

and

Page

24

85.0681.00

Rev H 2004-05

(04052)

Symptom

[No

from
handpiece

water

coolant

one

No

coolant

from

handpiece

Possible

air

|Clogged

the

handpiece

Clogged

in

the

block

Closed

one | water

Improperly
installed
valve

Leaking
valve

Century

Cause

tube

in

|Switch

one,
problem

control

passage | Disconnect

control

coolant

flow

control | counterclockwise,

water

cap

water

diaphragm

front

control

outlet

Turn

piece.

Look

dec

viewed

Remove

diaphragm

the

to

determine

is

block.

cover

block.

barb.

the

at

the

name

from

the

Il

Control

Test

handpieces

in

the

handpiece

the

supply

and

diaphragm

Remove

coolant

water

top

of

should

the

left-hand

water

for

leaks.

be

Block

Procedure

around

whether

air,

then

the

coolant

flow

while

running

the

control

right

side

valve

cap

Troubleshooting

and

test

each

the

or

the

remove

from

control

block.

up

side

of

and

the

the

air

the

hand- | begins

The

A-

when

the

unit.

inspect

the

If

Test

Is

|If

the

problem

the

handpiece,

or

replace

air

tube.

|If

no

obstructions

found,

check

handpiece

connector.

If

coolant

to

the

valve

desired

If
installed,
the

If
not
for

the

cap

next

the

diaphragm

defective,

clogged

or

barbs

control

flow

step.

in

block.

Corrective

Normal

isin

clean | control

the

coolant | to

the

tube

and

water

flow,

adjust | when

for

the

rate.

is

properly

proceed

is

check

passages

the

Action

If

Test

|Ifthe

problem

the

are

|If

there

control

__|

passages,

|

Check

reassemble

the

unit.

If

there

turned

counterclockwise,

proceed

next

step.

If

the

to

properly
remove
correctly.
unit.

If

the

defective,

one.

Reassemble

test

the

is

Abnormal

is

block,

proceed

next

step.

is

debris

block

clean

the

filter,

and

is

no

flow

the

knob

fully

to

the

cap

is

not

installed,

it

and

install

Retest

©

diaphragm

install a new

unit.

in

in

it

out.

then

test

is

the

is

and

the

the

it

85.0681.00

Rev H 2004-05

(04052)

Page

25

Foot

The

A-dec
pressure
assembly
poppet
pressure
inlet

at

side

of

middle

The

signal

on

page

Control

Foot

Control

on

the

disc,

in

the

valve

allowing

is

released,

the

poppet.

the

valve

of

the

piston.

relay

valve

27.

Ill

air

Any

is

then

Valve

[HI

which

bore.

to

flow

the

piston
pressure
exhausted

is

covered

Valve

is

actuated

depresses

This

displaces

to

the

outlet.

returns,

from

up

in a section,

the

When

sealing

the

through

by

foot

piston

the

foot

the

outlet

the

found

Control

field

repair

Signal

relay

valve

Coolant

air

signal

air

Regulated
optional

Figure

lll

Service

kit.

Coolant

(not

water

visible)

©

air

(used

blower

Foot

with”

or

control

chip

54.

Kit

(90.0593.00),

signal

air

*

scaler)

valve

which

Foot

Drive

outlet

Regulated

air

is

in

control

air

inlet

your

valve

When

>

servicing

Before

nect

removing

the © supply

the

the

air

foot

foot:

and

control,

first

control

bleed d all

Foot

Symptom

Audible
leakage
the

foot

control

is

being

used

|

Inadequate

flow

from

foot

control

T

Possible
|
Loose mounting

while

(Screw
|

not

‘Loose

|

|

i

|
Defective

lor

|

|

o

he

ai

air

Inadequate

the

flow
[control

sealing

|

|

connection

to

the

_

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going

|

the

Obstructon a at

‘inlet

|

に

Page

26

to

foot

or

tubing

control

outlet

—T

Cause

|
|

“Tum

[tighten

"Tote

O-rings

surface

A

air i Refer

foot

İş

or

from

the

+

center

control
necessary,
leakage.
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covering

Disconnect
|

pressure,
‘control.
'relay

land

(regulator.
|

}

!

|

|

Inspect

|

¡restrictions.

Note

|

removed,

adequate

locate

the

Foot

covel

pres

Signal
relay
valve

Figure

Control и Valve

Test

Procedure

the

foot

control

face

the

two

socket-head

of

the

foot

control

the

amin”

disc

and

to

For

relay

valve,

the

the

then

Inspect

stem

and

debris.

to

the

the

foot

the’Wamning”

depress
air

Remove

use a soap

locate

the

source

leakage

signal

instructions

coming

refer

to

relay

supply

air,

disassemble

the

O-rings

sealing

surfaces

control

With

the

piston

flow.

Troubleshooting

down

screws

baseplate.

the

solution

of

from

the

instructions

on

page

bleed

the

foot

on

the
for

a

—

for

the

tubing

for

the

cover

and

O-rings
(030.001.00)

O-rings

55.

Control

and

at

the

if

air

~

©

| n the

Lu

_xand

-

or

“IF

for

foot.

the

the

27.

the

signal

defects

air/filter

crimps

check

030.

012.02)

|
M

Test

é

the

leakage

100

further

|

required.

air

|

f

¡around

connection,

1

ithe

barb

ithe

valve.

|

iIf

no

defects

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lubricate

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Reassemble

¡test

the

lif

these

¡there

is

lin

the

to

the

ira

no

problem

found,

next

step.

no

defects

i

noted,
and

lubricate

i

parts.

Reassemble

test

the

block

front

|

‘Corrective

Is

Normal

stops,

action

is

is

leaking

the

barb

tighten

and

re-test

are

carefully clean

the

and

valve.

tests

indicate

adequate

system,

next

proceed

proceed

step.

is

to

air

the

are

carefully

valve.

clean

the

and

85.0681.00

Stem

with

Outlet

cover

Action

lf

Test

is

Abnormal

If

the

leakage

(stop,

proceed

next

step.

IE

the

air

is

leaking

¡From

the

exhaust

or

around

¡Of

the

|

proceed

step.

Replace
parts.
and

Reassemble
the

©

If

any
indicate a problem
the

foot

|

corrective

recommended.

the

valve

body,

to

the

any

defective

Carefully

lubricate

and

valve.

of

the

tests

air

supply

control,

action

all

take

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crimped,
one and

Replace

|

parts.
and

Reassemble

¡the

install a new

test

the

any

defective

Carefully

lubricate

valve.

Rev H 2004-05

all

and

u-cup

does

not

to

the

vent

bottom

next

clean

parts.

test

in

to

the

the

。

unit.

clean

parts.

test

i

|

|
|
|

|

|

i

(04052)

Symptom

Foot

sluggish

control

Possible

is

|The

sticking

stem

Cause

is

Stem

with

(22.0778.00)

Signal

relay

valve

Foot

Note

the”Warning”

Remove

control

O-rings

parts.

O-rings

Control

Test

the

valve

body

baseplate.

and

Exhaust

O-ring

Remove

piston

sealing

Ill

Valve

Procedure

on

the

previous

from

and

for

debris

.

7

Troubleshooting

If

Test

the

foot

inspect

or

defective

page.

the

(o

__|If

it

works

smoothly,

|weak

(installed

Foot

Corrective

Is

Normal

easily

and

check

for a jor

or

improperly o stem,

spring.

control

valve

Action

If

Test

is

If

there

is

binding,

and
Replace
parts.
and
Reassemble

the

any

Carefully

lubricate

valve.

Abnormal

any

sticking

remove

O-rings.

defective

clean

all

parts.

and

test

the

Signal

The

three-way

valve

handpiece
ed by
This
close
flow

[552kPa]),

the outlet.

diaphragm
tions,
pressure

(Continued

Relay

signal

relay

valve

body

to

water

air

pressure

deflects

the

exhaust

of

air,

at

passes

When

and

closing

at

the

Valve

valve

that

provide

coolant

from

the

diaphragm

seal

regulated

through

the

stem

the

inlet

outlet.

on

page

Inlet

sealing

O-ring

Outlet

(both

is a pilot

mounts

handpiece

and

foot

return

seal

28.)

on

signal.

the foot

and

open

supply

the

control

to

and

sides)

Figure

56.

operated

the

foot

coolant

The

valve

control

moves

the

pressure

signal

their

exhausting

valve

inlet

relay

is

released,

original

Diaphragm

(38.0054.00)

Foot

control

UPPIy

signal

|

control
air

and

is

actuat-

outlet.

the

stem

seal.

A

(80

psi

valve

the

posi-

any

to

|

_,

the

to

m

:

inlet

relay

valve

Before
disconnect

removing

the

WARNING

the

foot

supply

air

>

Outlet

=

Inlet

이

control

and

bleed

cover,

all

pressure

85.0681.00

Rey H 2004-05

(04052)

Page

27

Symptom

No

signal

the

signal

valve

Air

signal

the

signal

relay

does

not

off

Audible
leak

while

unit

is

not

use

air

[Possible

from

|The

relay | valve

upside

Defective
improperly
installed

diaphragm

from

|The

spring

shut

The

stuck

position

Improper

the | of
in

the

Cause

signal

relay |Visually

is

installed

down

or

.

stem

return

is

missing | signal

valve

stem

is | Disassemble

in

the

open

seating | Note

diaphragm | solution,

|

!

| | |

|
(Signal

relay

inlet

¡seal

does

not

fully | disconnect

|

close

|

| |

Audible
leakage
the

unit

use

| |

air | Improper

while

(of

is

in

|
| |
|

| |

| | |

the

diaphragm

seating

|

Signal

relay
¡exhaust
jnot
|
|
|

|

|

1

seal

fully

does

close

Signal

[be

positioned

inlet

the

foot

Remove
control
improper
diaphragm
passages

|Remove

is

in

|

[inspect
improper

the

leakage.

!

i

πε

the

¡signal
¡the

stem,

defects.

‘Depress

actuated.

‘depress

|

¡Note
‘foot
(from
relay

|

Relay

Test

|

check

the

as

shown

passage

place.

control

lines

control

valve

the

signal

and

check

installation.

must

be

in

the

valve

the

hex

plug

relay

valve

and

the

signal

all

parts

for

installation.

the’Warning”

if

necessary;

leakage i is

relay

the“Waming”on

the

body.

the

from

O-rings,

the

foot

While

the

foot

is

depressed,

exhaust

from

supply

the

control

listening

control

signal

for

holes

Valve

Procedure

up

relay

aligned

defects,

on

foot

and

Troubleshooting

relay valve,

in

figure

with

the

body.

from
defects,
The

holes

with

body.

from

the

verify

that

relay

valve

debris,

page

27.

to

locate

the

exhaust

air,

then

control.

seats

tor

.

until

to

the leak,

all

the

page

27.

check

in

the

It

must

54,

so

the

passage

the
debris,

end

the

remove

Ἶ,

the

way.

signal

on

foot

or

in

the

the the

of

the | |lf

the

spring

and

or

Use a soap

source

holes,

the

Inspect

debris

or

οι.

relay

is

While

the

for

leakage

If

Test

Is

Normal

(If

the

signal

relay
|properly
|proceed
step.

If
noted,
Reassemble

proceed
step.

If
found,
all

stem

then

test

[If

of | the

the

relay,
¡the
|

|

|

‘TE

noted,

[and
|parts.

¡test

Hf
lin
leak,
step.
|

|

If
from
ithe
‘tubing.
¡barb

necessary

¡leak.

|

|

installed,

to

do

defects

clean

valve.

the

spring

to

no

defects

carefully

parts.

Lubricate

and

O-rings, . |

reassemble

the

valve.

the

leakage
exhaust
sides

of

proceed

κ...

next

step.

no

defects

carefully

lubricate

Reassemble

the

valve.

there

is

no

the

sound

proceed

there

is

no

the

holes,

outlet

barb

Tighten

or

the

to

the

all

and

is

the

holes
the

sleeve

Corrective

If

is

(o

(If
installed

next | Remove

properly.
the

are

there,
next _ or

are

Replace

parts. | parts.

test | valve,

parts
installed.

[If

and

Replace

clean | parts.

the

¡stem

then

and

¡test

|

|

is

from

if

on

diaphragm

signal

‘tighten

with

are

the

change
of

to

Mounting
leaking
(replace

|

|

Replace

clean | parts.

lubricate

and

|then

¡test

|lf

the

(o

(with

next

[foot
tighten
imounting

leakage

|persists,

phragm

leakage

check

and

the

stop

If
|exhaust

|the

|for

as | Replace

the

|parts.

cate

reassemble

the

Action

Test

is

Abnormal

the

signal

wrong.

it

and

Retest

unit.

any

Reassemble

making

are

properly

the

spring

defective,

retest

the

any

Lubricate

and

O-rings,

reassemble

the

valve.

the

leakage

line,

the

screws
persists,
the

any

Clean and

the

reassemble

the

valve.

the

leaking

pressure

control,

the

screws.

replace

air

comes

holes,

exhaust

debris

or

any

Clean

all

parts,

valve.

relay

is

install

it

defective

the

sure

all

is

missing;

replace

defective

signal

diaphragm.

defective

valve.

the

and

is

at

the | |

relay

If

parts,

and

it

|

increases

on

the

signal

relay

If

the

from

the

inspect

seal

area

defects.
defective
and

lubri-

then

and

test

|

|

|

7
|

|

!

|

|
|

i

|
|
|

|

|

!

i
|

|

|

{

|
|
|
|
|

|

|

|

Page

28

85.0681.00

Rev H 2004-05

(04052)

Servicing

defective

A

e

water
valve

e

water

To

service

PAC 1 service

repair
exploded
replacement

How

1.

Disconnect
bottle.

2.

Remove
the
the

3.

Remove

57).

kit.

to

the

flush

leakage

togele

dripping

the

Included

drawing

parts.

Service

the
control
tubing.

the

Flush

can

valve

from

from

flush

valve,

kit

(90.0043.00),

in

the

of

the

the

Flush

the

supply

hex

nut

and

head.

It

is

pin,

then

Vaive

cause

around

the

handpieces.

first

locate

which

service

assembly

Valve:

air,

then

pull

the

not

necessary

remove

two

the

kit

and

loosen

valve

the

stem

problems:

flush

the

Century

is

in

you

are

an

the

water

assembly

to

disconnect

(see

Figure

II,

field

into

Servicing
Selector

If

you

run,

the

selector
To

service

1

service
repair
ed

drawing

1.

Disconnect

sure

2.

Remove
the
the

3.

Remove

(see

4.

Check

Valve

step

on

problem

valve.

this

kit

(90.0043.00),

kit.

Included

of

by

operating

the
control
tubing.

the

Figure

the

the

Handpiece

the

foot

could

valve,

in

the

assembly

the

supply

the

hex

nut

head.

It

pin,

then

58).

O-rings

control

be a defective

first

the

syringe.

and

is

not

remove

(030.001.02)

and

locate

which

service

and

air,

then

pull

necessary

the

is

replacement

bleed

the

the

both

handpiece

Century

in

your

kit

are

system

valve

to

stem

for

defects

Stem

handpieces

II,

PAC

field.

an

explod-

parts.

pres-

|

assembly

disconnect

and

with

O-rings

into

Figure

57.

Flush

33.0009.01)

4.

Check

the

if

necessary.

e

O-rings

e

Stem

5.

Reassemble

6.

If

this

does

from

the

Block

Troubleshooting

O-rings
(030.001.02)

Valve

Assembly

O-rings

w/O-rings

not

handpieces,

and

(030.001.02)

the

valve

correct

Stem

O-rings

Do

(A-dec

stem

for

defects

(29.0830.00)

and

check

for

leakage.

the

problem

refer

to

section

of

Century

on

page

with

part

and

water

II

Control

23.

no.

replace

dripping

Figure

58.

(A-dec

replace

Reassemble

6. If

diaphragm
section
if

7. If
handpiece

Selector

part

no.

if

both

handpieces

on

necessary.

this

does

valve

33.0104.01)

necessary.

the

valve

(refer

page

22)

not

correct

selector

still

to

the
and

valve

(030.001.02)

assembly

and

test

run,

check

Century

replace

the

problem,

assembly

the

unit.

the

holdback

II

Control

(33.0104.01).

Blocks

replace

the

air

85.0681.00

Rev H 2004-05

(04052)

Page

29

Autoclavable

Syringe

Service

The
field
to

wear

designated

Replacement

Autoclavable

repair

kit,

contains

during

normal

by an

asterisk*,

Syringe

musti

nent

Parts

Service

all

the

use.

Service

are

E

parts + Rave

Kit,

located

syringe

kit

parts,

shown

in

been

parts

Figure

in

the

subject

59.

E

OR

E

ON

signed

T

WHEN

EC

SYRINGE.

αι

PARTS

AN

A-DEC

for

Ref.

4
*2
*3

4

*5

*8

10

11
*12
*13
*14
*15

the

No.

9

WHEN

SYRINGE.

A-dec

Description
Syringe

Nut
Conical

Valve

Screw

Syringe
Terminal
O-ring,

Terminal
Terminal
Terminal
Pin,

Stem

Spring

Terminal
Nut,
service

(Includes

PERFORMING

PERFORMING

syriny

Tip,

Autoclavable

Assembly,

Spring

Assembly

Head

Assembly

Special

Barb
Barb, 3 Barb,
Assembly

Straight

Assembly

(2),

Heavy

Barb

Autoclavable

Kit

all

“a

36

Syringe,

(2),

Light

with

O-rings

w/stem, 2 Barb,

(2)

w/stem, 3 Barb,

with

O-rings

Assembly

items

designated

(2)

Smooth

Non-QD

with

(2)

QD

QD

(2)

O-rings

by

an

23.0872.00

23.1112.00

013.064.00

23.1098.00

23.1193.00

23.1067.00

035.025.00

23.1110.00

23.1185.00

23.1066.00

011.038.00

23.1064.00

013.003.00

23.1068.00

asterisk

*

Part

No.

23.1015.00

23.109900

|)

Figure

59.

Autoclavable

Page

30

syringe

85.0681.00

Rev H 2004-05

(04052)

A-dec

Repair

Your

operatory.
normal
located

If

Leakage

a

button

Leakage
syringe

Momentary
water
tip
pressed

Leakage
handle

ㄴ

Relieve

1.

2.

Replace

You

1.

2.

Instructions

syringe

The

use

in

the

Symotom

from

from

tip

spray

from

the

when

the

from

System

Disconnect

the

system

Disconnect

dle,

counterclockwise

rates

from

Valve

will

need a .050

Using a .050
screw

(see

Carefully

screw,

and

3.

Lightly

the

new

050

hex

is

designed

syringe

are

provided

the

field

repair

is...

under

the

syringe | pushed

air

syringe

Replace

assemblies.
Replace

of | Make

is

Air

and

the

air

of

air

and

the

syringe

the

handle

Assemblies

hex

key,

Figure

pull

the

the

springs

lubricate

valve

assemblies

key

to

be

parts

subject

in

your

kit.

You

should...

the

the

assemblies.

sure

the

all

the

the

syringe.
problem
the
retainer
replace
assembly.

|Replace
the

60).

valve

persists,

O-ring

assembly

the

the

connector

Water

supply.

water

by

until

and

hex

key.

loosen

assemblies,

out

the

outside

inside

tip

Use

pressure.

turning

the

tubing.

of

(see

easily

serviced

to

syringe

valve

|

valve

tip

is

way

into

If

the

replace

the

or

retainer

O-rings

Pressure

the

tubes.

the

syringe

the

syringe

valve

the

syringe

of

Figure

Springs

on

the

the

in

wear

under

service

Refer

Pg.

31

Pg.

31

Pg. 32

tip

|Pg.

|

to

bleed

syringe

head

sepa-

retaining

retaining

head.

O-rings

61)

with

Button

valve

assembly

the

kit,

to...

32

han-

on

the

valve

sure

(see

Springs

(light)

Figure

4.
until
syringe

5.
screw
between
button
assemblies

Button

Note:
with

syringe.

silicone

assemblies

the

Figure

61.

Press

the

Using

with

and

valve

brass

spool

lubricant

small

end

61).

Install

valve

the

valve

top

of

head

(see

the

hex

the

threaded

the

bottom

the

(see

assembly

is

flush

and

springs

of

the

assemblies.

assembly

the

brass

Figure

key,

of

top

of

the

Figure

62).

supplied.

spring

spool

62).

align

hole

the

brass

Install

the

new

in

the

syringe

is

toward

into

the

is

flush

the

new

in

the

syringe

spool

head.

the

syringe

with

the

valve

retaining

head,

|

of

the

valve

.050

Hex

Valve

retaining

screw

Threaded
hole

Be

valve

head

key

Figure

60.

85.0681.00

Rey H 2004-05

retaining

screw

Remove

the

button

(04052)

valves.

Figure

62.

Install

the

button

valves.

Page

31

6.

While

©

keyin
screwdriver
spools
longer

7.

Tighten
head.

8.

Connect
the
water,

holding
place,

of

flush

Do

air

supply.

and

use

and

the

valve

with

the

valve

not

overtighten

the

syringe

Check

spray

the

new

valve

the

tip

gently

press

assemblies

the

syringe

retaining

to

the

the

functions.

retaining

of a small

down

until

(see

screw

into

the

screw.

dental

syringe

for

screw

flat-blade

on

the

they

Figure

the

unit.

proper

Small

flat-blade

screwdriver

and

brass

are

no

63).
syringe

Reconnect

air,

.050

Hex

key

hex

5.

Connect
A-dec
for

proper

Replace

1.

Relieve

(refer

Be

sure

the
diameter
installed

the

syringe

air,

the

system

to

page

larger

O-rings

in

the

nut

syringe

tip.

Connect

water,

to

and

Terminal

air

and

31).

一

5/32"

are

the

dental
the

spray

Barb

water

Hex

Smooth

unit.

air

supply

functions.

O-rings

pressure

key

nut

O-rings

Spacer

,

<

Install

an

and

check

O-ring

Figure

63.

Replace

You

will

1.

Relieve

(refer

Remove

Using a 5/32"

retainer

4.

Install
Figure
is

installed
cavity
spacer
key

provided.

Tighten

the

need a 5/32"

system

to

page

assembly.

the

64).

and

are

Syringe

31).

ngs

saba

the

syringe

hex

new

Be

sure

in

the

the

two

in

the

the

air

and

(ge

Ti,

“Petroleu

yy

key,

smooth

spacer

nut.

valve

Tip

hex

key.

water

e

poy

om,

tip.

remove

syringe

that

the

larger

Tighten

retaining

screw.

Retainer

pressure

PP 1 0%

im

Di

c“ E es

128

serie

2S

vt

inge

the

tip

nut

smaller

diameter

O-rings

firmly

Valve

retaining
screw

O-rings

УЛ

ill

resu

“eg

assembly
diameter

and

with

the

(see

O-ring

hex

Figure
assembly

Do

Remove

O-rings
syringe

3.

Connect
A-dec
for

Figure

Be
diameter

in

64.

Replace

O-ring.

service

syringe

proper

O-rings

65.

Replace

sure

this

and
(see

the

air,

the

smaller

O-ring

cavity

the

smooth

replace

Figure

syringe

65)

kit.

tip.

Connect

water,

the

terminal

is

installed

the

terminal

using

to

the

and

spray

syringe

barb

the

two

dental

unit.

the

air
functions.

barb

nut

O-rings

Install

supply

O-rings.

and

in

the

an
check

Page

32

85.0681.00

Rev H 2004-05

(04052)

Steril-Vac

Button

If

Evacuator

Your

(10.0601.00)
the
removing
installing

AVS

The

inside

If

ops a leak,

You

(order

1.

2.

air

leakage

AVS

new

button

Supply

supply

the

the

supply

will

need

A-dec

Separate
disconnect.

Separate
Evacuator

waste

Unscrew

CD

Evacuator
supply

Service

Replacement

develops

button,

Non-Locking

the

the

air

flexible

install a new

container

air

install a new

is

in

the

with

old

spring,

new

button.

Air

Tubing

tubing

drain

air

tubing

an

AVS

part

no.

the

Steril-Vac

the

flexible

handpiece

lid.

the

terminal
handpiece
tubing

from

Field

O-rings, a spring, a tool

for

Tubing

10.0645.00).

around

Button

the

button

Service

Repair

and

instructions

Replacement

the

AVS

tube

(see

becomes

one

from

drain

and

nut

and

the

crimped

as

follows:

Kit

the

tube

from

from

the

from

the

disconnect

handpiece.

AVS

Oral

assembly.

Kit

Kit.

It

Oral

Evacuator

Figure

Pac I at

the

elbow

AVS

the

contains

for

for

66).

or

devel-

the

quick

AVS

Oral

on

the

Oral

is

Remove
the
the

5.

Discard

the

6

Connect

|

Evacuator

7

Push

|

Evacuator

8

Lay
or

e

e

y

Slide
ing.
container
connection
tubing

10.

Push

Reconnect

11.
connect,

tions.

the

sleeve

elbow

on

supply

sleeve

compressing

Mark
the

Cut
the

air

the

and

the

handpiece,

the

flexible

handpiece.

the

tubing

the

flexible

the

supply

mark.

the

sleeve,

Push

the

lid.

and

the

flexible

the

and

flexible

new

supply

by
barb.

check

securing

the

waste

container

tubing

tubing
Secure

form

drain

the

terminal

supply

drain

in a straight

the

drain

from

sliding

drain

Steril-Vac

air

and

tube

flexible

air

tubing

tube

air

tubing

the

onto

the

the

tube

to

for

leaks

the

supply

the

elbow.

tube,

the

nut.

tubing

tighten

onto

line,

drain

at

ends.

1"

kit,

on

the

elbow

sleeve

onto

the

Pac I at

at

the

air

lid

and

supply

to

the

the

terminal

the

AVS

without

tube.

the

point

(25mm)

the

supply
on

the

over

the

the

elbow.

the

tubing

tubing

disconnect

air

AVS

Oral

stretching

connec-

tubing,

Oral
nut.

where

short

air

tub-

waste

guick

to

of

dis-

Supply

air

tubing quick
disconnect

Steril-Vac

disconnect

quick

(QD)

一 一 一

一

\

\

85.0681.00

Rey H 2004-05

Ne

(04052)

|

一

è

OX,

J

一

一

Figure

N

66.

TT

.

AVS

Supply

>

ἵ

m

—

Flexible

tube

Waste

ATT

τες | T

Air

o

Barbed

drain

container

Tubing

(internal

——

connector

threads)

Supoly

tubing

air

Actuation
button

—_

AVS
evacuator

handpiece

|

Retaining

screw

>

1

oral

Page

33

ma

Field

AVS

Autoclavable

Repair

Non-Locking

10.0109.00

10.0440.00

85.0040.00

98.0030.00

008:003.00

008.006.00

008.010.00

011.038.00

013.003.00

013.064.00

030.002,00
030,004.00

035.025.00

23.0872.00

23.1064.00

23.1068.00

23.1098.00

Kit

Non-Locking

Compression

Install
Spring

Syringe

Hex
Hex

Hex

Pin,

spring,

Spring,

O-ring
O-ring

O-ring,

Syringe

Stem
Terminal
Valve

P/N

45.0439.00:

Button

Key,
Key,

Key,

Straight

Assembly,

Assembly

Service

On-Off

Spring

AVS

Button

Removal

Service

.050
3/32

Kit,

5/32

00

Compression

Conical

(4)

Special

Tip

|

(2)

Barb

(2)

(2)

w/O-ring

Tool

w/O-ring

w/O-ring

PAC 1 TOOL

Kit,

P/N

10.0601.00

Button

Assembly

Kit

P/N

23.1099.00

(2)

|

(2)

Assembly

(2)

(2)

AND

REPAIR

Century

002.097.00

003.078.00

004.005.00

011.038.00

013.025.00

022.029.00

023.001.00

023.004.00

025.007.01

025.015.01

030.001.00

030.004.00

29.0830.00

29.0831.00

33.0036.01

33.0106.00

38.0054.00

38.0179.00

38.0186.00

KITS

Il

Service

Button

Socket

Flat
Straight

Helical

Nut

Barb
Barb,

1/8

Sleeve

O-ring

O-ring

Stem
Stem

Lever,

Stem

Diaphragm
Diaphragm

Gasket

Kit,

Pac

I,

P/N

90.0043.00

Head

Screw

Head

Screw

Nylon

w/Sleeve,

Uni-Clamp

Washer

Pin

(2)

Comp.

14

18

(3)

(5)

Spring

14

ID

(pkg

Clamp,

(4)

(4)

w/O-rings
with

Toggle

with

(3)

14

ID

(3)

O-ring

O-ring

(1)

Valve,

Micro

(2)
(2)

(4)

(2)

(10)

(3)

of

10)

(pkg

of

Momentary,

Selector

10)

Gray

Valve

23.1112.80

23.1193.00

85.0435.00

85.0938.00

85.0974.00

98.0090.00

Air

Filter/Regulator

85.0136.00

37.0402.00

97.0404.00

97.0401.00

Foot

Control

013.011.00
030,012.00

10.0440.00

22.0060.00

22.0580.00

22.0778.00

38.0054.00

38.0760.00

85.2832.00

98.0090.00

Smooth

Screw,

Install,

Card,

Card,

Lubricant,

Install,

Diaphragm/poppet,

Spring,

Filter

fil

Helical

O-ring

Compression

Poppet,

Spr,

Stem

Diaphragm

Piston,

Install,
Lubricant,

syringe

2-56,

Syringe

Autoclave

Lubrication

Service

Air

PAC1

Element

Service

Kit,

Comp.

Plastic,

Comp,

w/O-rings,

FC3,

FC3

Nut

Assembly

Syringe

service

O-ring

Silicone

Kit,

P/N

and

Water

fltr-reg

PACI

P/N | 90.0593.00

Spring

|

Spring

Foot

.312

OD x .25

Signal

Assy

Repair

Silicone

|

90.1066.00
Filter/Reg.

fltr-reg

Control

Relay

Valve

85.0096.00

85.0353.00

98.0090.01

Miscellaneous

023.019.00

049.004.00

11.0230.00

|

23.0872.01

98.0090.01

Tool

Kit

98.0072.00

009.018.00

009.028.00

009.029.00

054.030.01

Install, 2 & 3 way

Install,

Silicone

1/8"

Inline

Bottle

White,

Syringe

Silicone

PAC

|,

P/N

45.0438.00:

Sleeve
Hex

Wrench

Phillips
Adjustable

Plastic,

Cent.

Il,

Lubricant

Barb

Brush,

Tool

34"

Disposable

Tip

(pkg

Lubricant

(Plastic)

Set

Screw

Driver,

Wrench,

Molded

Control

PAC

(pkg

Dia

Tip

of

(pkg

Case,

Valves

1,

Service

of

6)

5)

of

6)

3/16 x 3"

6"

White

Shaft

Page

34

85.0681.00

Rev H 2004-05

(04052)

Agency

Identification

"UL2601-1

C22.2,N0.

UL

2601-1

C22.2,No.

Classification

601.1

601.1

Symbols

Recognized
electric
with
mechanical

CAN/CSA

UL

listed

No.

125)

Classified
shock,
2601-1.
other

No.

601.1

of

Equipment

of

Symbols

by

shock,

UL

2601-1.

and

C22.2,

to

US

safety

by

fire

and

Classified

specified

Underwriters

fire

and

mechanical

Recognized

other

specified

No.

601.1

(UL

544)

with

(EN

and

respect

only

60601-1)

standards

Underwriters

mechanical

hazards

Laboratories

hazards

with

respect

hazards

Canadian

Laboratories
hazards

only

to

electric

in

accordance

Inc.©

only

to

electric

only

in

accordance

(CAN/CSA

Inc.

with

in

accordance

shock,

with

with

respect

in

accordance

shock,

C22.2,

respect

with

fire,

mechanical

CAN/CSA

to

fire,

with

to

electric
UL

and

C22.2,

Environmental

Conforms

(refer

Protective

Functional

Attention,

documents

Type B applied

Class

to

to

Declaration

earth

earth

consult

II

equipment

European

Statement)

(ground)

(ground)

accompanying

part

Directives

|

Types

of

shock

Class I Equipment
(Dental

Class

(Chair,

Degree
Type B Applied

(Delivery

Degree

Ordinary

(AIl

Mode

Continuous

(All

Continuous
(Dental

Chairs,

Dental

Il

Equipment

Wall, & Cart-Mounted

of

shock

Part

Systems

of

protection

Equipment

products)

of

operation:

Operation

models

except

Operation

Chairs

-5%

protection:

Lights, & Power

protection:

Only)

against

Dental

Chairs)

with

duty

cycle)

Supplies)

Delivery

Intermittent

water

Systems)

ingress:

Loading

For

Storage:

Temperature:

Relative

For

Temperature:

Relative

Electromagnetic

This
the

are
interference
Contact

Flammable

Not

anesthetic

such

Humidity:

Operation:

Humidity:

equipment

limits

for

medical

designed

suitable

gasses

to

in a typical

A-dec

Gasses

for

mixture

may

provide

Customer

|

Compatibility

has

been

tested

devices

reasonable
medical

Service,

use

in

the

presence

with

air,

oxygen

accumulate

All

equipment

(except

dental

furniture)

-40°C

to

70°C

-40°F

to

158°F

95%

maximum

10°C

to

40°C

50°F

to

104°F

95%

maximum

and

found

in

EN60601-1-2.

protection

installation.

if

you

have

of a flammable

or

nitrous

in

concentration

to

comply

These

against

any

oxide,

(closed

with

limits

harmful

questions.

where

space).

85.0681.00

Rev H 2004-05

(04052)

Page

35

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