DentalEZ aXcs Basic-Duo User manual

Installation, Operation and Care Manual
DentalEZ Group
2500 Highway 31 South
Bay Minette, AL 36507
aXcs Basic-Duo
Chair Mounted Unit
®
Digitally signed 
by Rafael 
Munoz Hilbert
DN: cn=Rafael 
Munoz Hilbert, 
o=DentalEZ 
Group, 
ou=Marketing, 
c=US
Date: 
2002.04.15 
07:41:38 -04'00'
Reason: 
Document is 
released
Location: PA, 
USA
Signatu
re Not 
Verified

aXcs
®
Basic-Duo CMU 1
Table of Contents
Section I Introduction
Introduction ...................................................... 2
Specifications .................................................... 3
Basic Components .......................................... 4
Section II Pre-installation
Utility Service Center .................................... 5
Plumbing Contractor's Procedure........... 5-6
Electrical Contractor's Procedure............... 6
Section III Installation
Delivery Head & Arm Assembly ..................7
USC Base........................................................... 7
Umbilical Connection................................. 8-9
Foot Control .................................................... 9
High-Volume Evacuator .............................. 10
Saliva Ejector................................................... 10
Air/Water Syringe ........................................ 10
Handpiece ...................................................... 10
Fiber Optics (Optional) .............................. 11
Chipblower (Optional)................................ 12
Other Options .............................................. 12
Delivery Head Tray with Pad...................... 12
Section IV Testing
Delivery System ............................................ 13
Foot Control & Handpiece ........................ 13
Vacuum Accessories .................................... 14
Air/Water Syringe ........................................ 14
Options........................................................... 14
Section V Operation
Delivery System ............................................ 15
Handpiece ...................................................... 16
Foot Control ................................................. 16
Vacuum Accessories .................................... 17
Air/Water Syringe ........................................ 17
Options ........................................................... 17
Section VI Care
Cleaning .......................................................... 18
Disinfecting .................................................... 18
Section VII User Service Information
Delivery Head ............................................... 19
Arm System ................................................... 20
Water Heater ................................................ 20
Handpiece ................................................ 20-21
Service Instruction ....................................... 22
SectionVIII Parts List / Diagrams
Utility Service Center ................................. 23
Delivery Head ............................................... 24
Foot Control ................................................. 25
Air/Water Syringe ........................................ 26
HVE Nozzle ................................................... 26
Saliva Ejector Nozzle ................................... 26
Product Support Services ........................ 27
Tubing Diagram
Template

aXcs®Basic-Duo CMU
2 Installation, Operation and Care Manual
The aXcs® Basic-
Duo CMU basic
package includes
one Delivery
Head Assembly,
Tray wi h Pad,
Arm Assembly
and U ili y
Service Cen er
(USC).
Delivery Head Utility Service Center
Section I Introduction
This manual con ains ins alla ion, opera ion and care
ins ruc ions and user service informa ion for he
Den alEZ aXcs® Basic-Duo Chair Moun ed Uni (CMU).
The aXcs Basic-Duo CMU is designed o provide
rouble-free service when ins alled, opera ed and
main ained according o he procedures se for h in
his manual.
To ensure correc ins alla ion, carefully read all he
procedure ins ruc ions con ained in his manual pay-
ing close a en ion o all no es, cau ions and warnings.
Before proceeding, please review he illus ra ion
below o become familiar wi h he componen s of
he aXcs Basic-Duo CMU.
Af er he Basic-Duo CMU is ins alled, please review
he opera ion procedures and care guidelines wi h he
doc or's s aff. Then leave this manual in the
doctor's office for he doc or's and he s aff's fu ure
reference.
Tr ay
Pivot Link
Arm
Umbilical
Chair Mount
Utility Service
Center
Foot
Control
Delivery
Head
Clean Water
Bottle
(Optional)
Instrument
Hanger

aXcs
®
Basic-Duo CMU 3
13"
9"
13"
16"
2"
11"
9.5"
2"
18"
270º Pivot Point
180º Pivot Point 270º Pivot Point
180º Pivot Point
Specifications
Section I Introduction
Water Pressure - 40 PSI
Clean Water System
Reservoir Capacity - .75 to 1 liter
Shipping Weight - 38 lbs.
Power Supply
115VAC 50/60 Hz. as applicable
220VAC 50/60 Hz. as applicable
Air Pressure - 80 PSI
TOP VIEW
SIDE VIEW

aXcs®Basic-Duo CMU
4 Installation, Operation and Care Manual
Basic Components
Section I Introduction
The aXcs Basic-Duo CMU componen s are packaged
and shipped according o he car on diagram.
NOTE: Be aware that some cartons are shipped as
fillers and may be empty (even if optional components
are ordered).
Please verify he aXcs Basic-Duo CMU componen s
packaging con en s agains he packing lis .
All par s supplied are necessary for proper ins alla-
ion, so be sure no o discard any hardware or com-
ponen s un il ins alla ion is comple e.
Unpacking Carton:
Accessory/Op ions:
-Handpiece, Vacuum and Syringe Tubings
-Tray/Tray Pad
-Adjus men Tools
-Op ions - Fiber Op ic Con rol Module
- Wa er Hea er
-Clean Wa er Bo le Sys em
U ili y Service Cen er
Delivery Head & Arm Assembly
Chair Moun Bracke
-Umbilical Assembly
-Foo Con rol
Op ional Componen s:
-Ligh Pos and Adap or Bar
-Touch Pad
—NOTICE —
For any questions about an order, please
contact a DentalEZ Equipment customer
service representative at 1-866-DTE-INFO
(1-866-383- 636).
SHIPPING CONFIGURATION
Delivery
Head &
Arm
Assembly
Packing
Inserts
USC
Box
Supplies
Box

aXcs
®
Basic-Duo CMU 5
—NOTICE —
For reference, a color-coded tubing diagram
is located at the end of this manual.
Utility Service Center
Section II Pre-installation
USC Carton Contents:
Utility Service Center (USC)
USC Cover
USC Base (floorplate)
Bag of Supplies:
-#6 x 3/8" scre s (2)
-#10 scre s (4)
-Adaptors (2)
-Plastic anchors (4)
-1/4" tubing barb
-Plug cap
-1/8" tubing clamps (2)
-1/4" tubing clamps (5)
-Elbo assembly
-Elbo fitting
-Coupler fittings (2)
-Air fitting assembly
-Stop valves (2)
-Water actuator valve assembly
-Washer
NOTE: For wood or metal floors, drill 5/32"
holes. For concrete, drill 1/4" holes and install
plastic anchors.
NOTE: The US umbilical bracket is shipped from
the factory attached to the umbilical assembly and is
not included in the US package.
1. Remove the full-size USC template found in
the back of this manual.
2. Position the USC template according to the
exact layout indicated, making certain correct
distance from base to chair is maintained.
3. Using the USC template, drill four corner
mounting holes for the USC base. But, do
not secure the base to the floor at this time.
1. Find and open the USC bag of supplies.
2. Using the full-size USC template found in the
back of this manual, orient the utilities (as
shown in the picture below) and stub through
the floor.
USC Base Mounting Holes
Air Stop
Valve
Water
Stop
Valve Vacuum
Elbow
CHAIR SIDE
—NOTICE —
Set the USC cover aside until all
installation and testing is complete.
—WARNING —
Before proceeding with plumbing and elec-
trical installation, comply with and maintain
all applicable utility codes and regulations.
—IMPORTANT NOTICE —
DO NOT DISCARD the USC template
after use. Neatly refold it and replace it in
the bac of this manual
Plumbing Contractor's Procedure

aXcs® Basic-Duo CMU
6 Installation, Operation and Care Manual
Section II Pre-installation
NOTE: Pay close attention to the orientation of the
template to the chair.
3. S eat the valve adaptors to the air and ater
stubs.
4. Apply the appropriate thread sealant to the
valve adaptors and install the stop valves.
5. S eat the vacuum and gravity drain elbo s to
the stubs. The electrical contractor is to provide a covered 115
VAC receptacle hich meets all applicable utility
codes and regulations.
For the recommended location of the 115 VAC
receptacle, see the full-size USC template in the back
of this manual.
NOTE: If the recommended location is not met, the
US base or the optional power module may interfere
with the 115 VA receptacle.
Air Fitting
Assembly
Water Actuator
Valve
Assembly 115 VAC Receptacle
—NOTICE —
Electrical contractor's parts are not supplied.
Electrical Contractor's Procedure
6. S eat the hose connectors to the elbo s as
applicable and orient as sho n in the photo
above.
7. Flush the air and ater lines to remove trash
and debris from the lines.
8. Connect the ater actuator valve assembly to
the ater stop valve as sho n in the photo
above. Using a 5/8" open-end rench,
tighten the nut securely.
9. Connect the air fitting assembly to the air
stop valve as sho n in the photo above.
Using a 5/8" open-end rench, tighten the
nut securely.

aXcs
®
Basic-Duo CMU 7
Section III Installation
Bracket
Countersink
Bolts
Carton Contents:
Delivery Head, Arm & Mounting Bracket Assembly
High-Volume Evacuator Valve
Saliva Ejector Valve
Solids Collector Traps (4)
Air/Water Syringe
Hardware:
1/8" tubing clamps (4)
In-line connectors (2)
4' length high-volume evacuator tubing
4' length saliva ejector tubing
5/16" countersink, socket-head bolts (2)
T in 1/8" air/ ater syringe tubing
Tools Required:
Utility knife
Level
Liquid soap
Needle-nose pliers
Phillips-head scre driver
Small-slotted scre driver
Set of Allen renches
Chair Mount
1. Remove the existing brake handle cover from
the back of the chair.
NOTE: There are two types of brake handle
covers. One may be removed by just pulling straight
back, the other has two Phillips-head screws with
plastic snap covers that must be removed. If the
existing brake handle cover does not have a cutout
to accommodate the arm's mounting bracket, the
cover may need modification or a new brake handle
cover kit (PN: 3801-825) may be ordered from
ustomer Service (1-866-DTE-INFO).
2. Using an Allen rench and the t o 5/16"
countersink socket-head bolts, attach the
arm's mounting bracket to the chair.
Delivery Head & Arm Assembly
Leveling
Plate
Leveling
Set Screw
USC Base
—NOTICE —
If previous utilities interfere with the
USC base internal bracing, modifica-
tion may be necessary.
3. Install the brake handle cover.
4. Route the umbilical do n the outside of the
chair to the front of the USC.
5. Place a level on the arm and check the level.
1. Position the USC base over the four corner
holes that ere drilled during pre-installation.
2. Secure the base using the four #10 scre s
supplied ith the USC.
NOTE: If level-
ing is needed, tilt
the arm up to ex-
pose the set screw
in the leveling
plate and adjust
the leveling set
screw as necessary.
— WARNING —
Do not connect power to the chair until the
unit is ready for testing.

aXcs® Basic-Duo CMU
8 Installation, Operation and Care Manual
Section III Installation
1/8"
Yellow
from
Umbilical
1/4" Red Supply
line of Foot Control
USC to Chair
Ducting Hose
Water
Regulator
Assembly
Rigid 1/4"
Green
Incoming
Water
Pressure
Line
5/8" Vacuum
Line &
Elbow
1/8"
Black
1/8"
Blue
1/4" Green
from
Umbilical
Umbilical Connection
1/8"
Red
Air
Line
Poppet
Valve
Assembly
Rigid
1/4"
Red
Incoming
Air
Pressure
Line
1/8" Barb
Air Stop Valve
Assembly
1/8"Yellow
Signal Air Line
Umbilical
Air Regulator
Assembly
1. Using t o #10 scre s, attach the umbilical
bracket hich is already on the umbilical to
the USC base.
2. Attach the rigid 1/4" red, incoming air
pressure line already on the air regulator
assembly to the air fitting assembly on the air
stop valve assembly using the compression
fitting supplied ith the USC.
4. Connect the yello signal air line already on
the poppet valve assembly to the 1/8" barb
on the ater stop valve assembly. Then secure
the yello signal air line using a 1/8" tubing
clamp.
5. Connect the 1/8" red air line from the
umbilical to the 1/8" barb on the poppet
valve assembly (barb nearest the 1/4" red tube
already on the poppet valve assembly). Then
secure the red air line using a 1/8" tubing clamp.
Umbilical
Bracket
Air Fitting
Assembly
Water
Stop
Valve
Assembly 1/8"
Barb
6. Connect the 1/8" yello line from the
umbilical to the remaining 1/8" barb on the
poppet valve assembly (barb next to the 1/8"
yellow line already on the poppet valve assembly).
7. Attach the rigid 1/4" green, incoming ater
pressure line already on the ater regulator
assembly to the ater fitting assembly using
the compression fitting supplied ith the USC.
8. Attach the 1/4" green line from the umbilical
to the ater regulator assembly.
9. Trim the 5/8" vacuum line using a utility knife.
10. Install the 5/8" vacuum line on the vacuum
elbo .
11. Attach the 1/4" red supply line of the foot
control to the 1/4" barb of the poppet valve
assembly.
1/4"
Barb
1/8"
Barb
Water
Fitting
Assembly
3. Use soap to lubricate the 1/8" barb of the ater
stop valve assembly and the open end of the 1/
8" yello signal air line hich is already on the
poppet valve assembly.
1/4"
Red
Line

aXcs
®
Basic-Duo CMU 9
Section III Installation
12. Connec he 1/8" blue and 1/8" black lines
from he umbilical o he foo con rol. (See the
tubing diagram in the back of this manual.)
13. Open he air and wa er s op valves. Then
check for leaks.
Foot Control
To Unit Foot Control
8"
7/16"
4"
Position
#1
Clip
Base Pump Cover
Power Cord Slot
Recessed Area
Ducting
Hose
USC Base
L-Shaped
Bracket
#10 Screw
Holes
1. Feed bo h he air foo con rol ubing and
umbilical assembly in o he 16" leng h of
corruga ed duc ing hose un il con ac occurs
wi h he 6" leng h of smoo h ubing.
2. Remove he exis ing screw from he elec rical
res rain bracke on he lef side, Posi ion 1.
3. Ins all he 11/16" plas ic clamp over he 6"
leng h smoo h ubing of he air foo con rol.
4. Secure he 11/16" plas ic clamp using he
exis ing bracke hole and screw.
5. On he inside of he base pump cover, loca e
he recessed area around he power cord slo .
Then rou e ou a clearance slo in he cover a
he recessed loca ion.
6. Ins all a hairpin clip on o he corruga ed hose
covering he umbilical assembly, aking care o
posi ion he clip 7/16" in fron of he me al
base assembly.
7. Feed he umbilical assembly's corruga ed
duc ing hose hrough he clearance slo .
8. Posi ion he base (pump) cover aligning he
four moun ing holes o ensure he chair
power cord and umbilical assembly do no
in erfere wi h he cover's fi . Bu , do not
secure he base (pump) cover a his ime.
9. Remove and re ain he wo #10 screws ha
secure he L-shaped bracke o he USC base
pla e.
10. Thread he L-shaped bracke on o he duc ing
hose ha connec s he chair o he USC. (The
ducting hose is left-hand threaded.)
11. Secure he L-shaped bracke back on o he
USC base using he wo #10 screws
previously removed.
12. Remove he hospi al plug from he chair
power cord and ake no e of he wire color of
he cord o he corresponding screw color of
he plug.
13. Pass he power cord hrough he duc ing hose
and in o he USC.
14. Trim he power cord leng h if desired, hen
rea ach he hospi al plug o he cord.
15. Plug he power cord in o he USC recep acle.

aXcs® Basic-Duo CMU
10 Installation, Operation and Care Manual
Section III Installation
Saliva Ejector
Valve
HVE Valve
Open 1/2" Port
Open 1/2" Port
1/4" Port
1. Connect the
HVE valve to
the 1/2"
tubing.
High-Volume Evacuator (HVE)
2. Hang the HVE valve in the instrument holder.
3. Connect the tubing to an open 1/2" port under
the solids collector in the assistant's arm.
4. If an optional second high volume evacuator
valve is not used, install a 1/2" cap plug into
the unused 1/2" port.
Saliva Ejector
1. Connect the saliva
ejector valve to the
1/4" saliva ejector
tubing.
2. Hang the saliva ejector valve in the instrument
holder.
3. Connect the tubing to the 1/4" port under the
solids collector in the assistant's arm.
Air/Water Syringe
Clamp
Water Line
Air Line
1. Disengage the tubing
pinch clamp from the
air and water lines inside
the delivery head.
3. Connect the syringe air and water lines to the
appropriate male and female connectors on
the delivery head chassis.
4. Connect the syringe to the valve body and
install the nozzle tube assembly, following the
instructions in the owners manual supplied
with the syringe.
Standard (Non-Fiber Optic)
1. Align the female tube connectors to the male
tube connectors.
2. Press the tube connectors together ensuring
the alignment pin engages the hole in the
chassis of the delivery head.
Handpiece
3. Fit the tabs of the tubing cover to engage in
the chassis.
4. Firmly push up the tubing cover to seat the
connector. Then twist the tubing cover counter
clockwise to lock it securely into the chassis.
5. Hang the handpiece tubing coupler in holder.
NOTE: For fiber optic handpiece tubing connection,
see Fiber Optics, Page 11.
2. Hang the air/water syringe valve in the holder.
Alignment
Pin
Tabs
Tubing
Cover

aXcs
®
Basic-Duo CMU 11
Section III Installation
Fiber Optics (Optional)
Power Pack
Transformer
Standard
Receptacle
Fiber Optic
Control Assembly
Screws
Lock Washers
Clear
Tubings
Wire
Leads
Fiber Optic
Control Assembly
Air Switch
Barb
Electrical (Fiber Optic)
1. Lif he delivery head lid o reach he in ernal
componen s.
2. Slide he black and whi e elec rical wire leads
from he lamp con roller hrough he hole in
he underside of he delivery head.
3. Align he hree air swi ch barbs and inser he
barbs hrough he hree holes in he chassis of
he delivery head.
4. Using he four #6 screws and lock washers
provided, a ach he fiber op ic con rol
assembly o he chassis of he delivery head.
5. Wire he in ernal elec rical connec ions (black
o black, whi e o whi e).
6. Cu off he ubing plugs from he clear 1/8"
air signal ubings and connec corresponding
ubings o he air swi ch barbs marked wi h
numbers 1, 2 and 3 inside he delivery head.
7. In he USC, plug he black and whi e wire leads
from umbilical in o he power pack ransformer.
8. Plug he power pack ransformer in o he
basic elec rical box or ou le box.
Handpiece (Fiber Optic)
1. Slide he fiber op ic elec rical lead hrough he
hole in he chassis of he delivery head.
2. Plug he lead in o he appropria e elec rical
ou le of he fiber op ic con roller marked
wi h numbers 1, 2 or 3.
3. Align he female ube connec ors o he male
ube connec ors.
Alignment
Pin
Electrical
Lead
Tubing
Cover
4. Press he ube connec ors oge her, ensuring
he alignmen pin engages he hole in he
chassis of he delivery head.
5. Fi he wo abs of he ubing cover o engage
in he chassis.
6. Firmly push up he ubing cover o sea he
connec or. Then wis he ubing cover coun er-
clockwise o lock i securely in o he chassis.
7. Hang he handpiece ubing coupler in holder.

aXcs®Basic-Duo CMU
12 Installation, Operation and Care Manual
Section III Installation
Other Options
Chipblower (Optional)
— WARNING —
Before connecting the optional chipblower,
make sure the unit is OFF so that no air is
present at the foot control.
Phillips-Head
Screws
Chip-
blower
WET/DRY
Toggle Valve
3"
Tubing
Chip Air
Valve
Assembly
Shuttle
Valve
6" Tubing
Drive
Air Valve
6" Clear
Tubing
Te e
1. Remove he seven Phillips-
head screws from he foo
con rol base and disassem-
ble he foo con rol.
2. Remove he chip air line
on he foo con rol ubing
from he ee fi ing.
NOTE: Secure all connections
using the tubing clamps provided.
3. Connec a six-inch sec ion
of he clear 1/8" ubing
included in he ki o he ee
fi ing and ro a e i around he drive air valve.
4. A ach he clear 1/8" ubing o he A por of
he shu le valve.
7. A ach he chip air line on he foo con rol
ubing o he C por of he shu le valve.
8. Remove he hex plug from he drive air valve.
9. Place a plas ic washer on he hreaded end of
he barb fi ing.
10. Ins all he barb fi ing in o he drive air valve.
11. Rou e a six-inch sec ion of ubing from he
drive air valve o he remaining barb on he
chip air valve assembly.
12. Reassemble he foo con rol and replace he
seven Phillips-head screws
Touch Pad Controller
If ins alling he op ional ouch pad con roller on he
delivery head for he aXcs or J-Chair, refer o he
ins alla ion ins ruc ions included wi h he con roller.
Light Post
For comple e ligh ins alla ion ins ruc ions, refer o
he manual supplied wi h he ligh .
Water Heater
Refer o he ins ruc ions provided wi h he wa er hea er.
Clean Water Bottle System
Refer o he ins ruc ions provided wi h he clean
wa er bo le sys em.
Delivery Head Tray with Pad
Tr ay
Pad
5. Ins all he chip air valve assembly on he foo
con rol base and secure i using he hree fla -
head screws included in he ki .
6. Connec a hree-inch sec ion of ubing o he
B por of he shu le valve and chip air valve.
1. Place he pad on
op of he delivery
head and posi ion
i so he ray can
cen er properly.
2. Place he ray on
he pad.

aXcs
®
Basic-Duo CMU 13
6. Inspect for leaks in the delivery head.
Air and Water Filter/Regulators
Section IV Testing
If the regulators are not set at 80 PSI for air and 40
PSI for water, do the following adjustment process:
1. Pull the locking knob.
2. Turn the adjustment knob on each regulator
until the correct pressure reading is reached.
3. When finished, push the locking knob down.
Utility Service Center
1. Turn on all services supplying the SC.
2. Open the air and water manual stop valves by
turning the knobs counterclockwise.
3. Inspect all joints and connections for leaks.
4. Plug the power cord from the SC into an
electrical outlet.
5. Turn the master switch ON.
Delivery System
Master ON/OFF
Switch
—NOTICE —
The air regulator is factory preset to deliver 80 PSI.
The water regulator is preset to deliver 40 PSI.
WET/DRY
Toggle
Valve
Wet
—CAUTION —
Before connecting handpieces, all air must
be purged from the coolant water lines to
allow the system to function properly.
Coolant Water
Adjustment Knobs
2. Purge air from the coolant water lines on each
handpiece as follows:
b. Remove the handpiece tubing from holder.
c. While facing the deliver head, start with
the handpiece tubing on the far left; then
fully depress the foot control to allow
water to flow into a sink or other container.
d. As the water is flowing, continue to purge
the remaining tubings (moving from the left
tubing to the right tubing).
e. Allow water to flow freely from all tubings
for approximately two minutes to ensure
all air has escaped.
3. Attach the handpieces to the tubing as follows:
a. Slide the connector nut down along the
tubing to expose the handpiece adaptor.
b. Carefully align and insert the handpiece
base into the adaptor.
c. Replace and tighten the connector nut to
complete installation.
a. Turn the
coolant water
adjustment
knobs counter-
clockwi e to
open the
coolant valve.
Coolant Water
Lines
Foot Control & Handpiece
1. At the foot control,
flip the toggle valve
to WET.
Tubing
Adaptor
Handpiece
Nut
(Insert
Air Pressure
Gauge Here)

aXcs® Basic-Duo CMU
14 Installation, Operation and Care Manual
—NOTICE —
After all final testing is complete, install the
USC cover using four #10 screws.
Options
Section IV Testing
Air Pressure
1. Flip the toggle valve from WET to DRY at
the foot control.
2. To adjust the individual handpiece drive air
pressure to the manufacturer's specifications
do the following procedure:
a. Remove the handpiece from its holder.
b. Insert an air pressure gauge as indicated in
the illustration above.
c. Hold the handpiece, fully depress the foot
control and observe the amount of air
pressure delivered to the handpiece.
d. Locate the air pressure adjustment screws
on the bottom of the delivery head
chassis.
e. Using a slotted screwdriver, turn the air
pressure adjustment screw on the control
valve of the appropriate handpiece
(counterclockwise to increase pressure,
clockwise to decrease pressure) until the
handpiece manufacturer's correct
specification registers on the pressure
gauge.
Flush Valve
1. Remove the handpiece from its holder.
2. Activate the flush toggle valve.
3. Operate each handpiece for 30 seconds into a
sink or open vacuum line.
Air Pressure
Adjustment
Screws
3. Repeat a. through e. in Step 2 to set the
pressure for each handpiece.
NOTE: If a low-speed handpiece is required, slide the
coolant air and water restrictor o er the lines on the
appropriate control al e.
Vacuum Accessories
1. Make sure the shut off valve located on the
underside of the delivery head is in the
OPEN position.
2. Evacuate one cup of water (8 oz. each)
through the saliva ejector and the high
volume evacuator.
Air/Water Syringe
First depress the air button and then the water button
to test the flow.
Fiber Optics
Follow the test procedures outlined in the instructions
included in each fiber optic handpiece package.
Chipblower
If the foot control is equipped with an optional
chipblower, a burst of air should be delivered to the
handpiece when the chip air valve is depressed.

aXcs
®
Basic-Duo CMU 15
Section V Operation
An automatic CUT OFF, can be demonstrated
by placing tubing in the hanger and disabling
operation for that position.
The Basic-Duo CM offers the following design
features:
Operation of two handpieces and a syringe.
Drive air and coolant water may be adjusted
individually for each handpiece.
Foot control toggle valve allows wet or dry cutting.
Master switch turns entire unit ON and OFF.
Easy cleaning and disinfecting.
Master Switch Controls
The master toggle switch located in the rear of the
delivery unit controls the ON/OFF function of air,
water and electricity to the entire unit.
Flip the toggle switch to the right to turn ON the unit.
Delivery System
Master ON/OFF
Switch
Set
Screw
Handpiece
Holder
Instrument
Hanger
Rotate
IMPORTANT: At the end of each work day, and
anytime the unit is unattended, make sure the master
control switch is in the OFF position.
Swing-Away Instrument Hanger
This features design allows the following functions:
The entire instrument hanger bar can be moved
to the left or right to provide easy access to the
optional tray on top of the delivery head.
The handpiece
holder angle
can be adjusted
by using an
Allen wrench to
loosen two set
screws and
Oil Collector/
Filter
Grasp the
delivery head
with one hand;
with the other
hand, grasp the
instrument
hanger bar
handle and
rotating the holder to the desired angle; then
retightening the screws.
An oil collector/filter is designed to collect oil
from the handpiece exhaust air. Periodically
check the filter for cleaning or replacement by
lifting the delivery head cover and removing the
screws that secure the filter cover.
Delivery Head Positioning
The horizontal and vertical location of delivery head
can be varied by doing the following:
To vary the horizontal location, push or pull the
instrument hanger bar handle.
To raise or lower the delivery head, loosen the
thumb knob, adjust the delivery head to the
desired height, then retighten the thumb knob.
Thumb Knob
move it to the left or right.

aXcs®Basic-Duo CMU
16 Installation, Operation and Care Manual
Flush Toggle
Optional
Chipblower
WET/DRY
Toggle Valve
Disc
Section V Operation
Coolant Water Spray
Coolant water spray to all the handpieces can be
turned ON or OFF using the toggle switch located
on the foot control.
The coolant spray volume is individually adjustable
for each handpiece.
2. While facing the
front of unit,
move the
FLUSH toggle
located at the
— CAUTION —
To prevent damage to the manifold, do not
overtighten the water coolant valves.
1. Turn the coolant water adjustment knobs
under the cover to engage the coolant valve.
2. While operating the handpiece, turn the knob
counterclockwise to increase the volume of
coolant water spray. To decrease the volume,
turn the knob clockwise.
NOTE: The adjustment tool can be sterilized.
Air Pressure
Air pressure to each handpiece can be adjusted to the
manufacturer's specifications by following the air
pressure instructions in Section IV Testing under the
heading Air Pressure on Page 14.
NOTE: These procedures must be done while:
The master switch is in the ON position,
The handpiece is out of its holder and
The foot control is fully depressed.
rear of the delivery head to the left, and hold
it there for 20 seconds.
NOTE: Flushing the water line in the handpiece can
be done by operating the FLUSH valve while either
fully depressing or not depressing the foot control.
NOTE: When ma ing necessary air pressure adjust-
ments, refer to the air pressure gauge located at the front
of the delivery head to chec the approximate amount
of air pressure delivered to the handpiece.
Flush System
It is recommended that the tubing of each handpiece
used be flushed after each patient.
1. Hold the handpiece tubing over a sink or
open vacuum line.
Handpiece
Foot Control
The speed of the handpiece is controlled by depress-
ing the disc located on the foot control.
A light pressure on the foot control disc causes a
slow speed.
Full pressure on the disc causes the handpiece to
operate at full speed.
NOTE: The coolant water spray ON/OFF function
is also controlled by using the toggle valve located on the
foot control as described above.
Coolant Water
Adjustment Knobs

aXcs
®
Basic-Duo CMU 17
Section V Operation
The s andard ins rumen a ion for a Basic-Duo CMU
is one high-volume evacua or and one saliva ejec or.
High-
volume
Evacuator
Saliva
Ejector
Open Closed
Open Closed
LeverValve
Air/Water
Syringe
As he lever is moved oward he hose end of
he valve, he vacuum flow increases.
To close he valve, move he lever all he way
oward he ip of he valve.
Vacuum Accessories
High Volume Evacuator
The flow of vacuum hrough he high-volume evacu-
a or is con rolled by he lever valve.
As he lever is moved oward he hose end of
he valve, he vacuum flow increases.
To close he valve, move he lever all he way
oward he ip of he valve.
Saliva Ejector
The flow of vacuum hrough he saliva ejec or is
con rolled by he lever valve.
Pushing he
lever for-
ward,
oward he
ip, closes
he vacuum.
LeverValve
Options
Air/Water Syringe
Pushing he
lever for-
ward, oward
he ip, closes
he vacuum.
The syringe is designed o deliver air or wa er, or a
mix ure of air and wa er, as required.
To deliver wa er only, press he bu on on he
syringe marked wi h a wa er drop symbol.
For air only, press he bu on on he syringe wi h
no marking.
To ge a spray mix ure of air and wa er, press
bo h bu ons simul aneously.
NOTE: Air and water flows are factory preset.
Fiber Optics
The fiber op ics con rol is au oma ically ac iva ed by
opera ing he handpiece using he foo con rol.
NOTE: When the foot control is released, the fiber
optics light will stay on for approximately ten seconds to
allow inspection of the cutting site.
Chipblower
This fea ure is used o blow debris away from he
cu ing si e by crea ing an air blas hrough he hand-
piece wi hou causing he bur o ro a e. To opera e
he chip blower, depress and hold down he valve on
he upper righ of he foo con rol.
Clean Water Bottle System
Refer o he opera ing ins ruc ions provided wi h he
clean wa er bo le sys em.

aXcs®Basic-Duo CMU
18 Installation, Operation and Care Manual
Section VI Care
A he end of he day, urn he mas er ON/
OFF valve o he OFF posi ion and clean he
ins rumen a ion.
Each morning, urn he mas er valve ON and
check he air and wa er sys em for proper
opera ion using he hree-way syringe.
High-Volume Evacuator
Wi h he high-volume evacua or vacuum valve in he
OFF posi ion, disconnec he valve. Using a brush,
clean he in erior of he valve under a fauce , and
rinse horoughly.
Saliva Ejector
Disconnec he saliva ejec or valve from he ubing
and repea he procedure described for he high-
volume evacua or.
Solids Collector
To clean he solids collec or, loca ed inside he deliv-
ery head cover, do he following:
NOTE: It is recommended that puncture-resistant
nitrile gloves be worn for this procedure.
1. Close he vacuum ON/OFF valve which is
loca ed on he underside of he delivery head.
2. Push he lever on he saliva ejec or downward
o equalize pressure.
3. Raise he delivery head cover.
4. Remove he solids collec or lid by lif ing i
s raigh up.
Cleaning
— CAUTION —
Do not use abrasive cleaning agents.
Disinfecting
—NOTICE —
Cleaning brushes and Vac-U-Ez solution can
be ordered through DentalEZ dealers.
— CAUTION —
Avoid using disinfectants in spray contain-
ers because they may cause premature
staining, discoloration and/or damage to
the aXcs Basic-Duo CMU.
— CAUTION —
Do not use disinfectants that contain any
of the following:
Iodophors Glutaraldehydes
Phenols Sodium Hypochlorites
The Basic-Duo CMU should be cleaned as follows:
Wipe frequen ly wi h a damp, lin -free clo h.
Use a mild de ergen o clean s ains.
5. Grasp he s em on he baske and lif he
baske s raigh up.
6. Emp y debris and wash ou he baske wi h
warm wa er, hen replace he baske and lid.
7. Open he vacuum ON/OFF valve.
NOTE: After cleaning the saliva ejector, high-volume
evacuator and solids collector, evacuate two cups of
Vac-U-Ez cleaning solution (one cup each) through the high-
volume evacuator and saliva ejector to sanitize the system.
Liquid disinfec an s are recommended for use on all
aXcs Basic-Duo CMU ex ernal surfaces and should be
applied using a sof , clean clo h.
Use ex reme cau ion when selec ing he proper
chemical disinfec an for he aXcs Basic-Duo CMU.
NOTE: *Cavicide is the recommended disinfectant
for use on all external surfaces.
*Cavicide is a trademark of Micro Aseptic Products, Inc.

aXcs
®
Basic-Duo CMU 19
motpmyS)s(esuaCelbissoPnoituloS
tonlliwtinU
.nonrut
.hctiwsretsamotriaoN
.hctiwsretsamytluaF
.evlavtolipriaytluaF
.xobytilituroolfnievlavpotsnepO
.ISP08otrotalugerriatsudadnanepO
.smranignibut"8/1derdehcniprofkcehC
.wolfriayfirevdnanohctiwsnruT
.evlavfognittifpototylppusrianayfireV
toofotriayfirev,evlavfognittifpottatneserpsiriafI
.evitcefedsievlav,gnibuttariaonfI.gnibutlortnoc
onsahtinU
cirtcele
.rewop
.rewopgnidliuboN
.nideggulptonxobrewoP
.egatlovteltuoreporpnI
.ylppustiucricniamkcehC
.naicirtceletcatnoC
.CSUedisnixobrewopnigulP
.CSUniegatlovteltuoreporpyfireV
onsahtinU
.ria
.nodenruttonsitinU
.desolcsievlavpotsriA
.enilriadehcniP
.evlavtolipriaytluaF
nisihctiwselggotretsamerusnE NO .noitisop
.eguagrianoISP08yfirevdnanoevlavpotsnruT
roolfmorfgnibutder"4/1detcirtserrodehcniprofkcehC
.elosnocdetnuom-tsopotxobytilitu
.evlavecalper,enonfI.egakcolbrofsbrabkcehC
retawoN
eceip-dnah(
)egnirys&
nisielggotretaW FFO .noitisop
.elttobretawnaelcniretawoN
.detsudatonrotalugererusserP
.metsysretawelttobotriaoN
.enilgnipmalcsipmalcedilS
ehtecalP
d nielggotretsamdaehyrevile NO .noitisop
.elttoblliF
.ISP04sdaereguagmetsysretawnaelcerusnE
.enilriadetcirtserrodehcniprofkcehC
.enilhguorhtwolfretawwollaotpmalcevoM
tnaloocniriA
.retaw
.degrupneebtonsahtinU
.evlavlortnocretawytluaF
.senilretawegruP
.evlavlortnocretawecalper,degrupsawtinufI
hsulfretaW
otsliaf
.etarepo
nisielggotretaW FFO .noitisop
.elttobretawnaelcniretawoN
.evlavelggothsulfretawytluaF
nielggotecalP NO .noitisop
.elttobretawnaelclliF
.evlavecalper,gniwolftontub,evlavtatneserpsiretawfI
Delivery Head (continued)
Section VII User Service Information
For referencing, a full-color, fold-ou ubing diagram
of he aXcs Basic-Duo CMU delivery sys em is loca ed
a he end of his manual.
The following char s should be used when rouble-
shoo ing opera ional problems. If hese sugges ed
roubleshoo ing procedures do no resolve he
problem, see he service ins ruc ion on Page 22.
—WARNING —
Exercise ex reme cau ion when roubleshoo ing
he elec rical componen s of he aXcs Basic-Duo
CMU. When es ing, always disconnec he
ex ernal power. When elec rical power is required,
safe y precau ions mus be followed.
Delivery Head
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○