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NSK AS2000 M4 User Manual

NSK AS2000 M4
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OM-T0150E
003
Connect air scaler to the handpiece hose.
In case the supply air pressure at the connection (where the scaler is
connected to the handpiece hose) is set at the recommended
0.28MPa(2.9kgf/cm
2
), the air scaler is readily usable.
ŘRead these cautions carefully to correctly follow the intended use.
ŘSafety instructions are intended to avoid potential hazards that could result in personal injuries or damages to the device. Safety instructions
are classified as follows in accordance with the seriousness of the risk.
CAUTIONS IN HANDLING
ŘDo not exceed the recommended air pressure at the back end of the scaler. Excessive air pressure might cause the scaler tip to
accidentally break while in use.
ŘThe oscillation of the tip could exceed 200 Pm amplitude at the recommended air pressure. Caution is requested not to harm the patient.
ŘDo not use a tip on which rust is found. It may break while in use at where rust grew.
WARNING
ŘPlace the most priority of the patient’s safety.
ŘFor professional use only. Do not make incorrect use of the handpiece.
ŘDo not exceed 0.28 MPa (2.9kgf/cm
2
) when setting the air pressure at the dental unit.
ŘIf any abnormalities are found in use, stop using immediately and contact your dealer.
ŘDo not disassemble, nor alter the air scaler.
ŘDo not drop, hit, or subject to excessive shock.
ŘCheck the vibration, noise and overheating outside of the patient’s mouth before initial use. If any abnormalities are found in use, stop using
immediately and contact your dealer.
ŘBe sure to stop the air supply, and replace the tip or the coupling joint.
ŘWatch out the sharp point of the tip.
ŘDo not use a spray lubricant. Limited air discharge orifice size of the scaler forces the propellant pressure to build up inside, and the scaler
may fly off.
ŘDo not clean or wipe the scaler with highly oxidized or acid water or sterilizing solution.
CAUTION
1. Specifications
2. Installation and Supply Air Pressure
Moisture and debris in drive air may cause the air scaler to malfunction. It is important to drain the air compressor on a regular basis, even
though an air filter or air drying device is provided in the air line.
3. Use Dry, Clean Air
Three types of scaler tips as shown in Fig.2 are supplied as accessory items to the scaler.
Typical applications are explained below:
Type S1
Universal Type (Reorder number: Z252411)
Curved surfaces, exposed anterior root surfaces, posterior teeth with excessive
lingual tipping, etc.
Type S2
Sickle Type (Reorder number: Z252413)
Mandibular anterior teeth, lingual surfaces, hard thick-walled calculus firmly
adhered to a tooth, etc.
Type S3
Perio Type (Reorder number: Z252412)
Subgingival and supragingival calculus, tar-like deposit, etc.
To avoid rusting, dry it by air syringe, after removing from the scaler body, immediately after use.
The irrigant port and the threads need to be kept dry.
4. Scaler Tips
Air Scaler
WARNING
ŘSet the supply air pressure at 0.28MPa (2.9kgf/cm
2
) at the connection where the scaler is connected to the handpiece hose, as
shown by the arrow in Fig.1.
ŘHigher air pressure may cause higher tip oscillation, which could damage the tooth surface and may cause pain to the patient. It also
may shoten the tip life and premature failure or breakage of the tip.
ŘThe amplitude may exceed 200Pm, even at the recommended air pressure, care should be exercised not to harm the patient.
CAUTION
The proper air pressure for the air scaler is approximately 0.03MPa higher than the proper air pressure for an air turbine handpiece
because of difference internal structure.
CAUTION
Tips may rust. Poor drying could cause the tips to rust, which may result in premature failure and injury.
AS2000
M4
B2/3
WARNING
CAUTION
Existence of a hazard that could result in bodily injury or damage of the device, if the safety instructions are not followed.
Possibility of a hazard that could result in light or middle degree of bodily injury or damage of device, if the safety
instructions are not followed.
Class Degree of Risk
Model
AS2000
Max. Recommended Air Pressure
0.28 MPa (2.9 kgf/cm
2
)
Air Consumption
25 - 35 L/min
Frequency
5,600 - 6,000 Hz
Weight
M4
67g
B2/3
64g
Fig. 1
S 1
S 2
S 3
Fig. 2
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NSK AS2000 M4 Specifications

General IconGeneral
AutoclavableYes
Connection4-hole
Chuck TypePush Button
Motor Speed380, 000~450, 000 min-1
TypeAir Turbine Handpiece
Light SourceWithout Light

Summary

Handling Cautions and Safety Warnings

General Safety Warnings

Potential hazards requiring strict adherence to safety instructions to avoid injury or damage.

General Usage Cautions

Precautions for professional use, patient safety, and equipment handling to prevent minor injury or damage.

Product Specifications

Technical Specifications Overview

Details the model, recommended air pressure, air consumption, frequency, and weight.

Installation and Air Pressure Setup

Supply Air Pressure Warning

Set supply air pressure correctly (0.28MPa) to avoid tooth damage, pain, or tip failure.

Air Pressure Adjustment Caution

Proper air pressure is about 0.03MPa higher than for standard air turbine handpieces.

Air Quality Requirements

Dry and Clean Air Usage

Ensure dry, clean air to prevent malfunction; drain air compressor regularly.

Scaler Tips and Maintenance

Scaler Tip Types and Applications

Describes three tip types (S1, S2, S3) and their typical applications for dental scaling.

Tip Drying and Rust Prevention

Properly dry tips after use to prevent rusting, premature failure, and potential injury.

Tip Changing and Lubrication

Tip Installation and Removal Procedure

Instructions for securely installing and removing scaler tips using the provided wrench.

Tip Integrity and Safety

Use wrench to tighten; do not use worn, rusted, or deformed tips to prevent accidents.

Scaler Lubrication Schedule

Lubricate the scaler every three days with NSK Turbine Oil at the drive air port.

Lubricant Type Warning

Avoid spray lubricants, as they can cause the scaler to fly off due to pressure buildup.

Scaler Sterilization

Recommended Sterilization Procedure

Recommended Autoclave sterilization procedure and precautions for maintaining hygiene.

Sterilization Handling Precautions

Place scaler correctly in the sterilizer and avoid chemical contamination to prevent damage.

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