NSK EX-5B Operation Manual

Caution
General Cautions:
• This handpiece is intended for use by dental professionals only.
• Do not use this for the treatment in dental surgery.
• NSK handpieces should not be rebuilt.
• Should the handpiece function abnormally, cease operation immediately
and return the handpiece to the dealer for repair.
Cautions on Operation:
• This handpiece is designed for (dental) treatment and precision technical
use. Longtime excavation with high torque with thick burs such as 4mm
or greater in diameter may cause a short life to the bur, hard-to-pull-off
bur or bur drop-off, which results in injury.
• Do not allow any impact on the shank. Do not drop the handpiece.
• Check the vibration, noise and overheating outside the patient's oral
cavity before use. If any abnormalities are found, stop using immediately
and contact your dealer.
• Make sure that the bur is securely locked in the chuck before each use.
Improper mounting of the bur could cause the bur to spin out during
rotation and endanger anyone in the vicinity.
• Be sure to check on the device and the components periodically.
• Make sure that the product is normal by rotating it with attention to
backlash, vibration, noise, heat generation, when you use it again after a
long time.
1. Specifications
EX-5B
EX-5BM
EX-6B
EX-6BM
EX-6D
EX-6DM
2. Connecting & disconnecting the motor and the handpiece
To connect the motor and the handpiece, align the positioning marks of
the motor and the handpiece, and insert straightly. To disconnect, hold the
front part of the motor and the back part of the handpiece, and pull out
straightly.
Caution
Do not connect or disconnect the handpiece until the motor has
completely stopped.
3. Insertion & Removal of the Bur
3-1 To Insert the Bur
1) Turn the Bur Lock Ring in the direction of the "
clicks. (Fig.2)
2) Insert the bur fully into the chuck then turn the Bur Lock Ring in the
direction of the mark "
3) Test that the bur is secure by gently pulling and pushing the bur.
3-2 To Remove the Bur
Turn the Bur Lock Ring in the direction of the "
then remove the bur.
EX-5BM/EX-6BM/EX-6DM
Bur Lock Ring
Nose Cone
Allowable Max.Speed ··· 40,000min
Burs ··· ISO 1797-1 Type2 ø2.35mm HP Bur
Chucking Length ···30mm
Max. Bur Length···44.5mm
Max. Working Part Diameter···ø4mm
Gear Ratio ··· 4:1
Accept ISO 14457 2012 Prophy Handpiece
Bur Lock Ring
Nose Cone
Allowable Max.Speed ··· 40,000min
Burs ··· ISO 1797-1 Type2 ø2.35mm HP Bur
Chucking Length ···30mm
Max. Bur Length···44.5mm
Max. Working Part Diameter···ø4mm
Gear Ratio ··· 1:1
Accept ISO 14457 2012 Prophy Handpiece
Bur Lock Ring
Nose Cone
Allowable Max.Speed ··· 40,000min
Burs ··· ISO 1797-1 Type2 ø2.35mm HP Bur
Chucking Length ···30mm
Max. Bur Length···44.5mm
Max. Working Part Diameter···ø4mm
Gear Ratio ··· 1:1
" until it clicks.
E-TYPE STRAIGHT NOSECONE
EX-5B/EX-6B/EX-6D
OM-H0146E 003
99.5
-1
Sheath
85.1
-1
Sheath
85.1
-1
" mark until it clicks
Sheath
(rpm)
(rpm)
(rpm)
Fig.1
" mark until it