Nakanishi PRESTO II Operation Manual page 2

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COMPONENT NAMES AND BASIC PACKAGE

① ② ③ ④ ⑤ ⑥

⑦

⑧

⑨

⑩

① PRESTO

Control Unit

⑧ Plumbing Hose

② Pressure Gauge

⑨ PRESTO Handpiece

③ Regulator Knob

⑩ Handpiece Tubing

④ Filter Inspection Window

⑪ Foot Pedal Connector

⑤ Handpiece Connector

⑫ Hose Stopper

⑥ Tube Stopper

⑬ Plumbing Connector

⑦ Foot Pedal

⑭ Unit Mounting Screws

WARRANTY

We provide a limited warranty for our products. We will repair or replace the products if the cause of failure is due to the following

manufactures defects. Please contact us or your local distributor for details.

① Defect in manufacturing.

② Any shortage of components in the package.

③ Where damaged components are found when initially opening the package.

(This shall not apply if the damage was caused by the negligence of a customer.)

For your safety and convenience when purchasing our products, we welcome your questions.

If you have any questions about operation, maintenance and repair of the product, please contact us.

For U.S. Market

Company Name

Industrial Div.

Business Hours

: 8:30am to 17:00pm (CST)

(closed Saturday, Sunday and Public Holidays)

U.S. Toll Free No.

: 800-585-4675

Telephone No.

: 847-843-7664

: 847-843-7622

Fax No.

Web Address

: www.nskamericacorp.com

For Other Markets

Company Name

Business Hours

: 8:00am to 17:00pm

(closed Saturday, Sunday and Public Holidays)

Telephone No.

: +81 (0) 289-64-3520

e-mail Address

: webmaster-ie@nsk-nakanishi.co.jp

SPECIFICATIONS

-1

speed

320,000min

(rpm)

Recommended Air Pressure

0.2 - 0.25MPa (29 - 36.3psi)

Handpiece Dimensions

16.6 (D) x 130 (H) mm

Handpiece Weight

71g

Noise Level at 1m distance

Less than 70dB (A)

⑭

⑪

⑬

⑮

⑯

⑫

⑰

⑮ Handpiese Tubing Clamps

㉒ Wrench Flats

⑯ Bur Push-in Tool

㉓ Chuck Release Ring

⑰ Cartridge Wrench

㉔ Tube Clamp Ring

⑱ Rotor Shaft Nut Wrench

㉕ Operation Manual

⑲ Handpiece Stand

⑳ Air Supply Connector

㉑ Cartridge

Control Unit Dimensions W120 x D102 x H165 (mm)

Control Unit Weight

720g

Proper Air Pressure

40Nℓ / min

Inside Diameter

1.6mm Bur Only

Operation Environment

⑱

Transportation and Storage Environment

⑲

SYSTEM ASSEMBLY PROCEDURES

6 - 1 Mounting of the Control Unit

The Control Unit can be secured on a wall, on a work-bench, or under a work-bench.

⑳

When securing on a wall surface, etc., ¿x the Control Unit with unit ¿xing screws in the two screw holes on its back.

6 - 2 Installation of Plumbing Hose

CAUTION

・ Push the plumbing hose into the plumbing connector until it is securely set.

Otherwise, air may leak.

・ Pushing the white ring, on the plumbing connector, gently remove the tube.

Push the plumbing hose into the plumbing connector located at the regulator on the left-

hand side of the Control Unit until it is securely set to make connection as shown in Fig. 1.

Check if the hose is securely installed by tugging it after connection.

Connect the other end of the plumbing hose to the air line. At this time, use the attached

connector if necessary.

6 - 3 Installation of foot Pedal

Loosen and remove the hose stoppers (two) from the foot pedal connectors on the back

of the Control Unit, and insert them into the foot pedal hoses. At this time, insert the hose

stoppers so that their screws come outside (Control Unit side) (Fig. 2). For wall-hanging

use, pass the hoses through the hole shown in Fig. 2.

Insert the "1" - marked end of each hose according to the instructions on the label. After

insertion of both hoses, securely tighten the hose stoppers.

6 - 4 Installation of Handpiece

Loosen and remove the tube stopper from the handpiece

connector on the right-hand side of the Control Unit, and insert

it into the handpiece tubing. At this time, insert the tube stopper

so that its screw comes outside (Control Unit side) (Fig. 3).

Insert the handpiece tubing into the handpiece connector, and

securely tighten the tube stopper.

Insert the tube clamp ring into the other end of the handpiece

tubing as shown in Fig. 4, and insert it into the handpiece

tubing socket as shown in Fig. 5.

6 - 5 Installation of Handpiesce Tubing Clamps

Locate a Handpiece Tubing Clamp (two pieces supplied) at a proper location to conveniently position the handpiece tubing.

OPERATION OF CONTROL UNIT

7 - 1 Set the Drive Air Pressure

Supply air, and adjust to 0.25MPa (36.3psi) by pulling the Regulator Knob upward and turning.

When adjustment is made, push the knob down to lock (Fig.6).

7 - 2 Operation

Stepping on the Foot Pedal starts rotation.

7 - 3 For Finishing Work

Close the main air valve.

OPERATION OF HANDPIECE

① As the chuck of the PRESTO handpiece is a push-in type, set the

1.6mm burs and push in as shown in Fig.7.

If the end of the bur is tapered push in using the provided bur-

inserting wrench as shown in Fig.8.

② When removing the bur, turn the chuck release ring in the direction

of the arrow in Fig.9.

Temperature

Humidity

MAX.75%

0 - 40°C

(No condensation)

-10 - + 50°C

10 - 85%

White Ring

Plumbing Hose

Hose Stopper

When using by Wall-hanging

way, this hole can also be used.

Handpiece Connector

Tube Stopper

Handpiece Tubing

Fig. 3

Fig. 7

Atmospheric Pressure

700 - 1,060hPa

500 - 1,060hPa

Plumbing connector

Fig. 1

Foot Pedal Connector

Fig. 2

Tube Clamp Ring

Fig. 4

Fig. 5

Regulator Knob

Fig. 6

Fig. 8

Chuck Release Ring

Fig. 9

Nakanishi PRESTO II Operation Manual page 2

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