W & H assistina 301 plus User manual

Instructions for use
301 plus

2
Contents
W&H symbols............................................................................................................................................................................................... 3
1. Introduction .................................................................................................................................................................................4 – 5
2. Unpacking .......................................................................................................................................................................................... 6
3. Package contents ............................................................................................................................................................................. 7
4. Safety precautions............................................................................................................................................................................ 8
5. Description of the front side ............................................................................................................................................................ 9
6. Description of the rear side............................................................................................................................................................10
7. Commencing operation – First use ...............................................................................................................................................11
Commencing operation – Filling with W&H service oil / cleaning fluid ......................................................................................12
Commencing operation – Connecting the compressed air .........................................................................................................13
Commencing operation – Initial filling of the system .................................................................................................................14
8. Test...................................................................................................................................................................................................15
9. Function check – Function display, function check of the mechanical drive ...........................................................................16
10. Maintenance....................................................................................................................................................................................17
Maintenance of transmission instruments with ISO coupling ....................................................................................................18
Maintenance of turbines .......................................................................................................................................................19 – 20
Maintenance of air motors and air-driven dental scalers ...........................................................................................................21
Maintenance of transmission instruments T1 TITAN, T1 Turbines and SIRONA Motor SL .........................................................21
Maintenance of the FG chucking system of FG contra-angle handpieces.................................................................................22
11. Cleaning and disinfection ................................................................................................................................................................. 23
12. W&H accessories ...................................................................................................................................................................24 – 25
13. Service.....................................................................................................................................................................................26 – 30
14. Technical data .................................................................................................................................................................................31
Letter of indemnity....................................................................................................................................................................................32
W&H contacts ............................................................................................................................................................................................33

3
W&H symbols
Data Matrix Code
for product identification,
e.g. in hygienic maintenance process
WARNING!
(Risk of injury)
ATTENTION!
(To prevent
damage occurring)
General explanations
with no danger to persons or property
Highly flammable!
Avoid sources of ignition;
do not smoke
W&H Service

4
1. Introduction
For your safety and the safety of your patients
This User Manual explains how to handle your W&H product. We must, however, warn of possible dangerous situations.
Your safety, the safety of your team and of course the safety of your patients is of paramount importance to us.
For this reason, it is essential to comply with the safety precautions on Page 8.
Intended use
Unit for cleaning the spray channels and lubricating the moving parts of dental transmission instruments, turbines, air motors
and air-driven dental scalers.
Misuse can damage the Assistina and involves risk and danger to user and third parties.
Care and maintenance of the articles specified with W&H Assistina
does not provide disinfection or sterilization.
User qualifications
The W&H Assistina unit shall be used only by those personnel who have received professional and practical training. In the
developmentand designof theW&HAssistina,wehave assumedthetargetgroupof usersto bedentalsurgeonsandtheir assistants.

5
Introduction
Production according to EU Directive
This medical product has been designed and manufactured according to EU Directive 93/42/EEC and applies to the unit
> W&H Assistina
inthecondition assupplied byus.This declarationdoes notapplyto unforeseeninternal orexternalattachmentsor thelike.
Responsibility of the manufacturer
W&H Dentalwerk Bürmoos accepts responsibility for consequences affecting the safety, reliability and performance of
the Assistina only when the following directions have been observed:
> The Assistina must be used in compliance with this User Manual.
> The Assistina has no parts which are repairable by the user.
Assembly, modifications or repairs may be carried out only by skilled persons authorized by W&H.

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2. Unpacking
The W&H packaging is environmentally friendly and can be
disposed of through specialist recycling organizations.
However, we recommend that you keep the original
packaging.
Have the User Manual at hand.
Take out the white and green
funnels.
Remove the turbine adaptor.
Liftout theAssistina inthe fibre-
board box.
Open the box at the tucked-in
closure and remove the air hose
from the cover. Remove the
initial accessories.
Takeout theserviceoil,cleaning
fluid, suction filter and the
optional accessories from the
side compartments.

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3. Package contents
> W&H Assistina cleaning and maintenance unit (REF 00030125, 00030140)
> Suction filter, complete
> 4-hole turbine adaptor REF 02685000
> Funnel, white, REF 02689300
> Funnel, green, REF 02689400
> Air connection hose 2 m, REF 02697000, complete
> Initial provision of 5 layers of fleece REF 02690300
> 2 spare seals REF 02680600 and
2 spare O-rings REF 02695700
> User Manual with warranty card

8
It is essential that you comply with the following instructions
> Place the unit only in adequately ventilated premises!
> Keep your hands out of the inside of the unit during maintenance operations!
> Fit the transmission instrument, turbine, turbine adaptor, air motor or dental scaler only when parts are no longer
moving! (Damage to the drive, driver assembly, transmission instruments).
> Always close the cover and waste disposal tray before starting up the unit.
> Keep cleaning fluid/service oil away from the eyes!
> Do not swallow cleaning fluid!
> Keep service oil away from the skin!
Cleaning solution and its residues are flammable. Flash point 25° C.
Avoid sources of ignition! Do not smoke!
Use only suitable tools
Comply with the manufacturer's instructions for the maintenance of dental transmission instruments, turbines, air motors
and air-driven dental scalers!
Improper use
Improper use, in addition to incorrect assembly, installation, modification or repairs of the Assistina or non-compliance with
our instructions invalidates all claims under warranty and any other claims.
4. Safety precautions

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5. Description of the front side
Fill level of cleaning
fluid
Indicator window
for cleaning fluid
Indicator window
for service oil
Fill level of
service oil
Waste disposal
tray
Recess for
adaptor
Cover
Filler hole /
storage container
for cleaning fluid
Filler hole /
storage container
for service oil
W&H service oil
Button to cleaning /
maintenance process
press
2 sec./
cycle
W&H cleaning fluid

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6. Description of the rear side
Suction filter
Quick release
coupling for
compressed air

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7. Commencing operation – First use
> Service oil must be at room temperature when it is poured in.
> Never reverse funnels (white to white, green to green) and store them in a dust-free environment!
> Check the filling level indicator!
> Use only clean, filtered compressed air!
The W&H cleaning fluid is aldehyde-free and nontoxic. It is biodegradable in waste water. W&H service oil represents
absolutely no danger to health; correct disposal of residues is required.
Unscrew the two caps and remove the two
transport seals (malfunction!)!

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Commencing operation – Filling with W&H service oil / cleaning fluid
Unscrew the cap from the
white storage container.
Insert the white funnel.
Add 250 ml of service oil.
Unscrew the cap from the
green storage container.
Insert the green funnel.
Add 250 ml of cleaning fluid.
Close the storage containers
for the service oil and
cleaning fluid.

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Commencing operation – Connecting the compressed air
The built-in air filter in the connecting hose is only a fine filter.
It cannot clean unfiltered and possibly contaminated compressor air.
Dirty fine filters must be replaced.
Fit the suction filter so that it
is leak-tight.
Push the quick release coupling of
the connecting hose into the
coupling socket on the Assistina.
Connect the compressed air line
using the 1/8« screw connection.
02697000

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Commencing operation – Initial filling of the system
If no oil can be seen on the cloth or tissue and no cleaning fluid can be detected by its smell (alcohol), the supply lines
are not yet completely full.
Pull the drip guard off the
maintenance attachment and
store it safely.
Hold a cloth or tissue in
front of the maintenance
attachment.
Press the program button
about 15 times for 2 seconds
with a pause of 2 seconds
between each actuation.
Press the program button
10 times for 2 seconds.
15 x
2 secs.
10 x
2 secs.

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8. Test
>Do not connect any transmission instrument, turbine, air motor or dental scaler during the test!
> If the adaptor is fitted on the maintenance attachment, remove it.
Check that the fleece inlay is damp to ensure correct function.
If it is not damp, repeat the process 2 to 3 times.
Dispose of saturated fleece inlays as with cloths for surface disinfection.
Place a fleece inlay in the
waste disposal tray.
Close the cover and waste
disposal tray.
Press the program button once
for 2 seconds.
1 x
2 secs.

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9. Function check
Function display
Continuously monitor the function display!
> Press the program button for 2 seconds.
A green ball for the cleaning fluid appears in the right-hand window.
> Release the program button.
A green ball for the service oil appears in the left-hand window.
After a few seconds, both balls will drop down again.
Correct operation of the maintenance process is indicated by these two function displays.
If ever the balls disappear during a program cycle, this indicates a malfunction.
Function check of the mechanical drive
> Fit a transmission instrument with a rotary instrument inserted onto the Assistina
maintenance attachment.
> Press the program button for 2 seconds.
The maintenance cycle begins and the rotary instrument turns.
If the rotary instrument does not turn, there is a malfunction.

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10. Maintenance
>First carry out the external disinfection and cleaning.
>Carry out daily maintenance midday and evening prior to sterilization.
>Use the adaptor REF 02679000 for maintenance of transmission instruments in those cases where the manufacturer
has allowed for removal of the treatment heads.
With sterilization after every patient
>Press the program button once
With maintenance twice a day
>Press the program button twice on each occasion
An accurate dosage of W&H cleaning fluid and W&H service oil is provided for these maintenance processes.
Additional pressing of the program button can cause too much cleaning fluid to enter the spray air and coolant channels!

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Maintenance
of transmission instruments with ISO coupling
The maintenance program will be completed in about 35 seconds.
> Pull the cover down.
Test run the transmission instrument.
When the transmission instrument has been wiped over, it is ready to be sterilized.
Press the green release
button and pull off
the turbine adaptor.
Keep the adaptor in
the recess.
With its spray exit nozzle
directed downwards, push
the transmission instrument
onto the maintenance
attachment up to the limit
stop. Close the cover and
the waste disposal tray.
Press the program button once
for about 2 seconds. Open
the cover at the end of the
maintenance cycle.
Press the green release button
of the maintenance
attachment while at the
same time removing the
transmission instrument.
1 x
2 secs.

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Maintenance
for turbines
The maintenance program will be completed in about 30 seconds.
> Use the turbine adaptor REF 02685000 with standard 4-hole connection.
> Pull the cover down.
W&H turbines:
Screw together the turbine
adaptor and the adaptor.
Adapters not suitable for use
with turbine hose.
Other turbines:
Screw the turbine adaptor to
the relevant quick release
coupling (e.g. adapter
02692000, 04713200 ...).
Turbines with
> 2-hole or 3-hole Borden
connection and
> spray air to drive air
connection
Screw the turbine adaptor
to the turbine. Insert the
turbine adaptor onto the motor
attachment.
02685000
07014500
Turbines with standard 4-hole
connection:
Screw the turbine adapter onto
the respective turbine
02685000
02690400
02685000
04713200

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Test run the turbine.
When the turbine has been wiped over, it is ready to be sterilized.
Maintenance
With its spray exit nozzle
directed downwards, push
the turbine with quick release
coupling onto the adaptor until
it engages.
Close the cover and the
waste disposal tray.
Push the appropriate adaptor
onto the maintenance
attachment up to the
limit stop.
Press the program button once
for about 2 seconds. Open
the cover at the end of the
maintenance cycle.
Press the green release
button of the maintenance
attachment, while at the same
time removing the turbine from
the adaptor.
1 x
2 secs.