①
PRESTO
ϩ
Control Unit
⑦
Foot Pedal
⑬
Plumbing Connector
⑲
Handpiece Stand
②
Pressure Gauge
⑧
Plumbing Hose
⑭
Unit Mounting Screws
⑳
Air Supply Connector
③
Regulator Knob
⑨
PRESTO Handpiece
⑮
Handpiese Tubing Clamps
㉑
Cartridge
④
Filter Inspection Window
⑩
Handpiece Tubing
⑯
Bur Push-in Tool
㉒
Wrench Flats
⑤
Handpiece Connector
⑪
Foot Pedal Connector
⑰
Cartridge Wrench
㉓
Chuck Release Ring
⑥
Tube Stopper
⑫
Hose Stopper
⑱
Rotor Shaft Nut Wrench
2. COMPONENT NAMES
3. SPECIFICATIONS
Speed
320,000min
-1
Recommended Air Pressure
0.2
〜
.25MPa
Handpiece Dimensions
ȭ
16.6 (D) X130 (H) mm
Handpiece Weight
71g
Control Unit Dimensions
W120 X D102 X H165 (mm)
Control Unit Weight
720g
Proper Air Pressure
40N
ℓ
/ min
Inside Diameter
ȭ
1.6mm Bur Only
4. SYSTEM ASSEMBLY PROCEDURES
4 - 1 Mounting of the Control Unit
The Control Unit can be secured on a wall, on a work-bench, or under a work-bench.
When securing on a wall surface, etc., fix the Control Unit with unit fixing screws in the two screw holes on its back.
4 - 2 Installation of Plumbing Hose
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.
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.
Plumbing connector
Plumbing Hose
White Ring
Plumbing connector
Plumbing Hose
White Ring
Fig. 1
4 - 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.
Foot Pedal Connector
Hose Stopper
When using by Wall-hanging
way, this hole can also be used.
Foot Pedal Connector
Hose Stopper
When using by Wall-hanging
way, this hole can also be used.
Fig. 2
4 - 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.
Handpiece Tubing
Handpiece Connector
Tube Stopper
Handpiece Tubing
Handpiece Connector
Tube Stopper
Fig. 3
Fig. 5
Tube Clamp Ring
Handpiece Connector
Tube Clamp Ring
Handpiece Connector
Fig. 4
4 - 5 Installation of Handpiesce Tubing Clamps
Locate a Handpiece Tubing Clamp (two pieces supplied) at a proper location to conveniently position the handpiece tubing.
5. OPERATION OF CONTROL UNIT
5 - 1 Set the Drive Air Pressure
Supply air, and adjust to 0.25MPa by pulling the Regulator Knob upward and turning.
When adjustment is made, push the knob down to lock. (Fig.6)
5 - 2 Operation
Stepping on the Foot Pedal starts rotation.
5 - 3 For Finishing Work
Close the main air valve.
Regulator Knob
Fig. 6
6. OPERATION OF HANDPIECE
①
As the chuck of the PRESTO handpiece is a push-in type, set the
ȭ
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.
Fig. 7
Chuck Release Ring
Fig. 9
Fig. 8
7. REPLACEMENT OF CARTRIDGE
①
Fit the cartridge wrench supplied with the handpiece to the flats on the handpiece
nose. Turn the cartridge wrench as shown in (Fig.10) after it is loosened, unscrew
the nose with fingers and remove from the handpiece.
②
Before inserting a new cartridge, clean the head interior.
③
Finally, securely tighten the cartridge by turning it in the reverse direction to
removal.
Fig. 10
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⑨
⑩
⑪
⑫
⑬
23
21
22
⑭
⑮
⑯
⑰
⑱
⑲
⑳
