KaVo K-POWERgrip User manual

Instructions for use
K-POWERgrip Handstück 4941
Always be on the safe side.

Sales:
KaVo Dental GmbH
Bismarckring 39
D-88400 Biberach
Tel. [phone]
Fax [phone]
Manufacturer:
Kaltenbach & Voigt GmbH
Bismarckring 39
D-88400 Biberach
www.kavo.com

Contents
1 User instructions ........................................................................................................................................ 2
1.1 Service ............................................................................................................................................ 2
1.2 User guide ....................................................................................................................................... 2
1.2.1 Abbreviations ...................................................................................................................... 2
1.2.2 Symbols .............................................................................................................................. 2
1.2.3 Target group ....................................................................................................................... 3
1.3 Warranty terms and conditions ........................................................................................................ 3
1.4 Transportation and storage ............................................................................................................. 3
1.4.1 Currently valid packaging regulations ................................................................................ 3
1.4.2 Damage in transit ............................................................................................................... 4
1.4.3 Information on the packaging: Storage and transportation ................................................ 5
2 Safety ........................................................................................................................................................ 6
2.1 Description of safety instructions ..................................................................................................... 6
2.1.1 Warning symbol .................................................................................................................. 6
2.1.2 Structure ............................................................................................................................. 6
2.1.3 Description of hazard levels ............................................................................................... 6
2.2 Purpose – Proper use ...................................................................................................................... 6
2.2.1 General information ............................................................................................................ 6
2.2.2 Product-specific .................................................................................................................. 7
2.2.3 Disposal of electronic and electrical devices ...................................................................... 7
2.3 Safety instructions ........................................................................................................................... 8
2.3.1 General information ............................................................................................................ 8
2.3.2 Product-specific ................................................................................................................ 10
3 Product description .................................................................................................................................. 11
3.1 K-POWERgrip 4941 handpiece ..................................................................................................... 11
3.2 Scope of delivery ........................................................................................................................... 11
3.3 Technical data ............................................................................................................................... 12
4 First use ................................................................................................................................................... 14
5 Operation ................................................................................................................................................. 15
5.1 Using/Changing the tool ................................................................................................................ 15
5.2 Operation ....................................................................................................................................... 15
6 Service and Care ..................................................................................................................................... 17
6.1 Cleaning ........................................................................................................................................ 17
6.1.1 Weekly cleaning of chuck and handpiece section ............................................................ 17
6.2 Servicing ........................................................................................................................................ 19
6.2.1 Replacing ball bearings .................................................................................................... 19
6.2.2 Replacing the cable .......................................................................................................... 22
7 Troubleshooting ....................................................................................................................................... 24
8 Accessories ............................................................................................................................................. 25
9 Ersatzteile ................................................................................................................................................ 26
10 Statement of conformance ...................................................................................................................... 28
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1 User instructions
1.1 Service
Service hotline:
[phone]
[email protected]
Please indicate the product serial number in all requests.
Additional information can be obtained at: www.kavo.com
1.2 User guide
Requirement
Read these instructions prior to first use to avoid misuse and prevent damage.
1.2.1 Abbreviations
Abbre‐
viation
Explanation
IfU Instructions for Use
CI Care instructions
AI Assembly instructions
TI Technician's instructions
SC Safety checks
IEC International Electrotechnical Commission
RI Repair instructions
EMC Electromagnetic compatibility
1.2.2 Symbols
Important information for users and technicians
CE mark (Communauté Européenne). A product with this mark meets
the requirements of the applicable EC directives.
Action request
Follow instructions for use!
Refer to chapter Safety/Warning
Open, remove, loosen, etc.
Close, screw in, fasten, etc.
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1.2.3 Target group
This document is for dental technicians and laboratory personnel.
1.3 Warranty terms and conditions
Within the scope of the applicable KaVo delivery and payment conditions, KaVo
guarantees proper function, absence of defects in material and workmanship for a
period of 12 months from the date of purchase as confirmed by the salesperson.
In case of justified complaints, KaVo will honour its warranty with a free replace‐
ment or repair.
The warranty does not cover defects and their consequences that arose or may
have arisen due to natural wear, improper handling, cleaning or maintenance,
non-compliance with operating, maintenance or connection instructions, corro‐
sion, contaminated media supply or chemical or electrical influences deemed ab‐
normal or impermissible in accordance with factory specifications.
The warranty does not usually cover lamps, light conductors made of glass and
glass fibres, glassware, rubber parts and the colourfastness of plastic parts.
The warranty expires if defects or their consequences could possibly have arisen
because the product has been modified or changed. Warranty claims can only be
asserted when they are immediately reported to KaVo in writing.
This notification must be accompanied by a copy of the invoice or delivery note on
which the manufacturing number is clearly visible. In addition to the guaranty, the
statutory warranty claims of the purchaser also apply with a warranty period of 12
months.
1.4 Transportation and storage
1.4.1 Currently valid packaging regulations
Note
Only valid for the Federal Republic of Germany.
Properly dispose of and recycle the sales packaging according the applicable
packaging ordinance through waste management businesses or recycling compa‐
nies within a comprehensive return system. KaVo has licensed its sales packag‐
ing in accordance with this directive. Please follow the regional public waste dis‐
posal system.
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1.4.2 Damage in transit
In Germany
If the packaging is visibly damaged on delivery, please proceed as follows:
1. The recipient of the package must record the loss or damage on the delivery
receipt. The recipient and the representative of the shipping company must
sign this delivery receipt.
2. Leave the product and packaging in the condition in which you received it.
3. Do not use the product.
4. Report the damage to the shipping company.
5. Report the damage to KaVo.
6. You must contact KaVo before returning a damaged product.
7. Send the signed delivery receipt to KaVo.
If the product is damaged but there was no discernable damage to the packaging
upon delivery, proceed as follows:
1. Report the damage to the shipping company immediately and no later than 7
days after delivery.
2. Report the damage to KaVo.
3. Leave the product and packaging in the condition in which you received it.
4. Do not use a damaged product.
Note
Failure on the part of the recipient to comply with any of the above obligations
will mean that the damage will be considered to have arisen following delivery (in
accordance with ADSp. Art. 28).
Outside Germany
Note
KaVo is not liable for damage arising from transportation.
Immediately inspect the delivery after receipt!
If the packaging is visibly damaged on delivery, please proceed as follows:
1. The recipient of the package must record the loss or damage on the delivery
receipt. The recipient and the representative of the shipping company must
sign this delivery receipt.
Without this evidence, the recipient will not be able to assert a claim for dam‐
ages against the shipping company.
2. Leave the product and packaging in the condition in which you received it.
3. Do not use the product.
If the product is damaged but there was no discernable damage to the packaging
upon delivery, proceed as follows:
1. Report any damage to the shipping company either immediately or no later
than 7 days after delivery.
2. Leave the product and packaging in the condition in which you received it.
3. Do not use a damaged product.
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Note
Failure on the part of the recipient to comply with any of the above obligations
will mean that the damage will be considered to have arisen following delivery (in
accordance with CMR law, Chapter 5, Art. 30).
1.4.3 Information on the packaging: Storage and transportation
Note
Please keep the packaging should you need to return the product for servicing or
repair.
The symbols printed on the outside are for transportation and storage, and have
the following meaning:
Transport upright with the arrows pointing upwards!
Fragile - protect against impact!
Protect from moisture!
Permissible stacking load
Temperature range
Humidity
Air pressure
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2 Safety
2.1 Description of safety instructions
2.1.1 Warning symbol
Warning symbol
2.1.2 Structure
DANGER
The introduction describes the type and source of the hazard.
This section describes the potential consequences of non-observance.
▶The optional step includes necessary measures for hazard prevention.
2.1.3 Description of hazard levels
Safety instructions with three hazard levels are used in this document to prevent
personal and property damage.
CAUTION
CAUTION
indicates a hazardous situation that can cause damage to property or mild to
moderate injuries.
WARNING
WARNING
indicates a hazardous situation that can cause death or serious injury.
DANGER
DANGER
indicates a hazardous situation that can directly cause death or serious injury.
2.2 Purpose – Proper use
2.2.1 General information
Note
Only competent and trained personnel may use the product!
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This KaVo product has been designed solely for dental technology, industrial and
trade applications. Any other type of use is not allowed.
"Proper use" includes following all the instructions for use and ensuring that all in‐
spections and service tasks are performed.
This product has only been approved for use indoors.
The overarching guidelines and/or national laws, national regulations and the
rules of technology applicable to the startup and use of the KaVo product for the
intended purpose are to be applied and complied with.
During use, national legal regulations must be observed, in particular:
▪ the applicable health and safety regulations.
▪ the applicable accident prevention regulations.
2.2.2 Product-specific
The K-POWERgrip handpiece 4941 is for working on crowns, bridges, and plastic
and cast model prostheses.
2.2.3 Disposal of electronic and electrical devices
Note
According to EC directive 2002/96 concerning used electrical and electronic de‐
vices, this product is subject to the cited directive and must be disposed of ac‐
cordingly within Europe.
Before disassembly / disposal, the product must be completely reprocessed (dis‐
infected, sterilised) according to the chapter on "Reprocessing methods".
For more information, please contact KaVo (www.kavo.com) or your dental sup‐
plier.
For final disposal, contact:
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Germany
To return an electrical device, proceed as follows:
1. At the homepage www.enretec.de of enretec GmbH, you can download a form
for a disposal request under the menu item eom, or you can use it as an online
request.
2. Fill out the request with the corresponding information, and send it as an on‐
line request or by fax [phone]) to enretec GmbH.
The following avenues are also available for questions and for initiating a dis‐
posal request:
Telephone: [phone]
E-Mail: [email protected] and
Post: enretec GmbH, eomRECYCLING Department
Kanalstraße 17
16727 Velten
3. Yourpermanently installeddevice will be picked up in your practice, and
yourmovableunit will be picked up at the curb at your address on the agreed
deadline.
The owner or user of the device will bear the costs for disassembly, transpor‐
tation and packaging.
International (EU)
For country-specific information on disposal, contact your dental supplier.
2.3 Safety instructions
2.3.1 General information
Note
Only competent and trained personnel may use the product!
The user must ensure that the unit works properly and is in satisfactory condition
before each use.
Users have a duty to:
▪ Only use equipment that is operating correctly
▪ to protect himself, the patient and third parties from danger.
Authorized to repair and service the KaVo product:
▪ Technicians from KaVo branches with appropriate product training.
▪ the technicians of the KaVo franchised dealers specifically trained by KaVo.
KaVo does not accept responsibility for damage caused by:
▪ External influences, poor media quality or faulty installation.
▪ The use of incorrect information.
▪ Repair work carried out incorrectly.
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Note
Any waste which is generated must be recycled or disposed of in a manner
which is safe both for people and for the environment. This must be done in strict
compliance with all applicable national regulations.
Questions on proper disposal of the KaVo product can be answered by the KaVo
branch.
CAUTION
Improper product maintenance or repair.
Damage to product.
▶Repair and servicing work on the electronic part of the unit may be done only
by skilled staff or by technicians trained by KaVo.
▶Only use original KaVo spare parts!
WARNING
Injury or damage from damaged functional parts.
If functional parts are damaged, it can cause additional damage or personal in‐
jury.
▶If functional parts are damaged: discontinue your work and repair the
damage nor notify service technician!
▶Check the electrode lines and accessories for damage to the insulation.
CAUTION
Damage due to liquids
Faults on electric components.
▶Protect product openings from penetration of liquids.
▶Remove liquids from the inside of the device.
CAUTION
Premature wear and malfunctions from improper servicing and care.
Reduced product life.
▶Perform regular proper care and maintenance!
CAUTION
Injury or damage caused by unsuitable drills or grinders.
Drill or grinder falling out of chuck.
▶Only use drills or grinders meeting the requirements of BS EN ISO 1797-1!
▶Never use drills or grinders with worn shafts!
▶Follow the instructions for use supplied by the drill or grinder manufacturer!
CAUTION
Injury or damage due to wear.
Irregular running noise, significant vibration, overheating, imbalance or insuffi‐
cient grip.
▶Stop work and seek service support.
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2.3.2 Product-specific
CAUTION
Risk due to incorrectly stored handpiece.
Injury caused by chucked drill or grinder.
Damage to clamping system caused by handpiece falling down.
▶Store the handpiece properly in a tray or tool carrier.
CAUTION
Risk of injury due to rotating tools.
Eye injury.
▶Wear safety glasses.
▶Use protective shield.
CAUTION
Unsuitable speed.
Damage to the product.
Problems processing selected material
▶Check the speed setting each time you turn on the unit!
CAUTION
Hazard from dust and chips.
Damage to health from inhalation or injury.
▶Use protective shield.
▶Use vacuum.
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3 Product description
3.1 K-POWERgrip 4941 handpiece
K-POWERgrip 4941 handpiece
AChuck key
BClamp
CCleaning brush
① Cover
② Straight pin
③ Grip tip
④ Handpiece part
⑤ Motor part
⑥ Cable
⑦ Chuck
3.2 Scope of delivery
Figure Name Material number
K-POWERgrip hand piece
4941
Mat. no. 1.002.2916
Servicing set Mat. no. 0.411.3180
Instructions for Use
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3.3 Technical data
Speed
Area 1,000 to 50,000 rpm
Dimensions
Length 165 mm
Diameter of handpiece 29 mm
Diamter of motor part 28 mm
Weight
Handpiece approx. 250 g
Cable ca. 105 g
Voltage and power
Output 150 W
Torque 7 Ncm
Environmental conditions
Permissible ambient temperature range +5 °C to +40 °C
Permissible to maximum relative hu‐
midity
80 %
Exposure mode
Operating time 2 minutes/ON
Pause time 8 minutes/OFF
Requirements, classification
Degree of soiling 2
Overvoltage category II
Transportation and storage conditions
Temperature range: -20°C to +70°C
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Relative humidity: 5% to 95% (non-condensing)
Air pressure: 700 hPa to 1060 hPa
Note
Prior to start-up, very cold products must be heated to a temperature of
Heat to 20°C to 25°C. Avoid condensation.
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4 First use
Requirement
The handpiece must only be operated and stored with the tool or test probe
chucked.
Note
Opening the chuck will lock the handpiece; in the event of unintentional opera‐
tion, the control will switch to error mode.
The combination of the control unit and handpiece must be approved by KaVo.
Note
When it is new, you can hear a soft, irregular clicking or buzzing at high speeds
of the micromotor. This bearing noise is completely normal, and disappears as
soon as the lubricant is evenly distributed.
The handpiece can be used on the
▪ K-Control
– Knee control 4960
– Table-top control 4965
– Foot control 4970
▪ K-Control, TLC
– Knee control 4955
– Foot control 4956
– Table-top control 4957
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5 Operation
Note
Note the safety instructions before each use.
5.1 Using/Changing the tool
▶ Grip the handpiece part ②, and turn it and the motor ③ in opposite directions
as indicated by the arrows until the chuck opens completely.
▶ Take the tool or test probe ① out of the chuck.
▶ Insert a new tool or test probe ① into the chuck as far as it will go.
▶ Grip the handpiece part 2, and turn the motor 3 in the direction indicated by
the arrow until the chuck closes completely.
Note
Once you have inserted the tool (insert the tool as far as it will go, tool shaft
length: minimum 16 mm) you need to check the functionality of the chuck. KaVo
recommends a grip test at 50 N.
Note
Only use tools that work properly. Follow the instructions of the tool manufactur‐
er.
5.2 Operation
Note
Unsuitable lighting in the workplace can give rise to what is known as the strobo‐
scope effect.
This simulates tool standstill at certain speeds.
The problem can be solved by providing suitable lighting.
▶ Prior to every use, check the required speed on the control unit and modify it if
necessary.
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▶ Operate the handpiece as specified in the instructions for use of the upstream
control unit.
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6 Service and Care
KaVo recommends the sole use of original KaVo parts® for operation and repairs
as these have been tested extensively for safety, functioning and specific suitabili‐
ty.
WARNING
Repair and servicing the electrical part of the unit.
Electrical shock.
▶Only a qualified professional or trained individual may repair or service the
electrical part of the device.
▶Follow safety instructions.
▶Pull the power plug or completely disconnect the device from the power con‐
nection to de-energize the device.
CAUTION
Ingress of dust or liquids into the handpiece.
Damage to ball bearings and O-rings.
▶Never use compressed air or cleaning agents (such as spray cleaners, de‐
greasers, etc.)!
▶Use the cleaning brush from the care set.
▶Only use an original chuck.
6.1 Cleaning
6.1.1 Weekly cleaning of chuck and handpiece section
Removing the chuck
▶ Grip the handpiece part ②, and turn it and the motor ③ in opposite directions
as indicated by the arrows until the chuck opens completely.
▶ Take the tool or test probe ① out of the chuck.
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▶ Remove the chuck ①.
▶ Insert a new tool or test probe ① into the chuck as far as it will go.
▶ Grip the handpiece part 2, and turn the motor 3 in the direction indicated by
the arrow until the chuck closes completely.
▶ Slowly turn the shaft in the pin ① until the clamp B can be inserted with a
slight amount of resistance into the grip tip ②.
▶ Open the chuck.
Shove out the chuck with the original chuck key A while the pin or tool is inser‐
ted.
▶ Clean the front opening of the handpiece with a brushMat. no. 0.411.3180.
▶ Clean the chuck thread and surface as well as the rotor cone, and apply a
slight amount of lubricant.
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