NSK BB Series Operation Manual

This operation manual for :
NAC - EC / ER4 / ER10 / ER16 / ER64 / ECM / ER4M / ER10M / ER16M / ER64M
BB - EC / ER4 / ER10 / ER16 / ER64 / ECM / ER4M / ER10M / ER16M / ER64M
NM - EC / ER4 / ER10 / ER16 / ER64 / ECM / ER4M / ER10M / ER16M / ER64M
NBBW - EC / ER4 / ER10 / ER16 / ER64 / ECM / ER4M / ER10M / ER16M / ER64M
Indications for Use
The handpiece is designed only for clinical dental use by qualified personnel.
Caution
・ When operating the handpiece always consider the safety of the patient.
・ Check for vibration, noise and overheating outside the patient's oral
cavity before use. If any abnormalities are found, stop using the Product
immediately and contact your authorized dealer.
・ Do not disassemble or alter the handpiece except as recommended by
NSK in this Operation Manual.
・ Do not allow any impact on to the Product. Do not drop the handpiece.
・ Do not exceed the allowable max speed recommended on the Specification.
・ Be sure to connect or disconnect the handpiece only after the motor
completely stops rotation.
・ Prior to clinical use, inspect the handpiece. Check for vibration, noise
and overheating. If any abnormalities are found, stop using the
handpiece immediately and contact your Authorized NSK Dealer.
(Refer to "5. Checking the Handpiece Before Each Use")
・ Operators and all others in the area must wear eye protection and a
mask when operating this handpiece.
・ Perform periodical maintenance checks.
(Refer to "9. Periodical Maintenance Checks")
・ If the handpiece has not been used for a long period, check for noise,
vibration, and overheating before use.
1. Specifications
Model
Allowable Max. Speed
(motor)
Bur Type
Chuck Length
Max. Bur Length
Max. Working
Part Diameter
Sheath
EC/ECM
Gear Ratio

2. Connecting and Disconnecting the Handpiece from the Motor

(1) Connecting
Insert the handpiece direct into the motor.
(2) Disconnecting
Hold the motor and the handpiece, then pull apart.
Caution
・ Do not connect or disconnect the handpiece until the motor has
completely stopped.
・ Connect ONLY to E type motors (ISO 3964 (EN ISO 3964)).
Do not exceed the Max. Rotation Speed (Motor) shown in
"1. Specifications".

3. Inserting and Removing the Bur

Caution
・ Do not insert or remove the bur until the rotation has completely
stopped.
( 1 ) Inserting
1) Swing the Latch Plate to open the chuck.
2) Insert the bur into the chuck until the bur "notch" mechanism
engages.
3) Swing the Latch Plate back to closed position.
(2) Removing
Swing the Latch Plate to open position and pull the bur out.
Caution for bur
・ Do not use burs with problems listed below as the bur may break,
seize up or disengage from the chuck.
- Bent, deformed, worn, rusted, broken, deficient bur.
- Bur which is cracked on the edge or axis.
- Non-ISO(EN ISO) standard, or tampered bur.
・ Make sure that the bur is safely inserted before use. Incorrect
installation may cause the bur to come out during rotation and is
very dangerous.
・ Do not exceed the bur speed recommended by the bur manufacturer.

4. Connecting the Irrigation Tube

NBBW
Cut the Irrigation Tube (Option) to the desired length. Connect the Irrigation
Tube to the irrigation nozzle. (Fig.1)
* Tube (RSM) : Order Code Z166101
Irrigation Nozzle
NAC / BB / NM
Attach the Spray Nozzle (Option) to the handpiece head.Cut the Irrigation Tube to
the desired length then connect to the Spray Tube Nozzle on the motor. (Fig. 2)
* Spray Nozzle NAC,BB : Order Code C032701
NM
Spray Nozzle

5. Checking the Handpiece Before Each Use

Follow the check procedure below before use. If any abnormalities are found,
stop using the handpiece immediately and contact your Authorized NSK Dealer.
1) Check the union nut (Fig.5) on the head is firmly tightened. If loosened,
tighten the union nut.
2) Check the end cap (Fig.6) is firmly tightened. If loosened, take the following actions.
NAC / BB / NBBW：Tighten the end cap with the provided cap wrench.
NM：Contact your dealer. (The cap wrench is not provided due to not being
able to change the cartridge.)
3) Insert the bur.
4) Rotate the handpiece for about one
minute at the Max. rotation speed stated
in "1. Specifications". During rotation,
check for abnormalities such as
abnormal rotation, vibration, noise.
5) After the handpiece rotation has completely stopped, touch the
handpiece head to confirm the head is NOT heating abnormally (Fig. 3).
Contra Angle Handpiece
NAC/BB/NM/NBBW
NAC-Y
30,000 min -1
ISO 1797-1 ( EN ISO 1797-1 ) Type1 Ø2.35mm CA Bur
13.2mm
22.5mm
φ 4.0mm
ER4/ER4M
1 ： 1 4 1 ：
: Order Code C039701
BB-Y NM-Y
40,000 min -1 30,000 min
13.7mm 10.6mm
22.5mm
22.5mm
φ 4.0mm
φ 4.0mm
ER10/ER10M ER16/ER16M
10 1 ：
Irrigation Tube
Irrigation Tube
Latch Bur
OM-C0363E 003
NBBW-Y
-1 40,000 min
12.7mm
22.5mm
φ 4.0mm
ER64/ER64M
16 ： 1 64 1
：
Fig.1
Fig.2
Fig.3
-1