• Simple and easy removal of the water bottle
• Seamless adjustments of water volume and spray air
• The on-off function of water coolant spray
• Capable of running independently with the incorporated water bottle or connected to the mains water supply

The NSK Presto Aqua II, Complete Pack - a cutting-edge water coolant system designed to provide optimal working conditions for a variety of materials and applications. The standout feature of the NSK Presto Aqua II is its water coolant capability, which can be seamlessly adjusted from water droplets to a fine water/air mist spray. This flexibility allows you to tailor the coolant to suit the specific requirements of your task. Whether you need minimal water spray to prevent micro-cracks or a higher volume of water spray to flush away debris during cutting, the Presto Aqua II enables precise control over both the water and spray air volume independently.

The handpiece included in the pack is designed for high-speed operations, with a speed of 320,000 min-1. It has a lightweight construction, weighing only 104g, which ensures comfortable handling during use. The handpiece dimensions are ø16.6 mm in diameter and 136.6 mm in height.

One of the key advantages of this coolant system is its ease of use and maintenance. The water bottle can be effortlessly removed, allowing for quick and simple refilling or replacement. Additionally, the Presto Aqua II can operate independently with the incorporated water bottle or be connected to a mains water supply, giving you the flexibility to choose the most convenient setup for your workspace.The Presto Aqua II incorporates a patented built-in dust-proof system in its handpiece. This mechanism prevents the infiltration of debris into the bearings, ensuring the longevity and optimal performance of the tool. This special dust-proof feature is particularly beneficial in environments where dust or debris is commonly encountered, providing added protection and reliability.

Furthermore, the swivel twist-free handpiece of the NSK Presto Aqua II enhances maneuverability and ease of use. It allows for smooth rotation without tangling or twisting of the cord, enabling you to work comfortably and efficiently.

• Speed: 320,000 min-1
• Proper Air Supply Pressure: 0.25~0.3 MPa
• Handpiece Dimensions: ø16.6 (D) X 136.6 (H) mm
• Handpiece Weight: 104g (including coupling joint)
• Control Unit Dimensions: W235 X D139 X H182 (mm)
• Control Unit Weight: 1.9kg

• 1 X PRESTO AQUA II unit
• 1 X PRESTO AQUA handpiece
• 1 X QD-J B3 coupling
• 1 X Hose for PRESTO AQUA II
• 1 X Foot control (AFC-40)
• 1 X Secondary hose for PRESTO

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.
• Check if the hose is securely installed by slightly tugging it after connection.
• Connect the other end of the plumbing hose to the air line.

Installation of Foot Pedal:

• Loosen and remove the hose stoppers from the foot pedal connectors on the back of the control unit.
• Insert the hose stoppers into the foot pedal hoses, making sure the screws come outside (control unit side).
• Insert the "1"-marked end of each hose according to the instructions on the label.
• Securely tighten the hose stoppers.

Installation of Handpiece:

• Install the handpiece hose to the handpiece connector on the front face of the unit.
• Install the handpiece hose to the coupling joint.
• Install the handpiece by pulling the ring of the coupling joint.

Installation and Removal of Water Supply Bottle: 

• Push in the bottle attaching/detaching switch on the back of the control unit until it is locked.
• Insert the water supply bottle from above and push it in until the bottle attaching/detaching switch returns properly.
• Check if the water supply bottle is securely installed by pulling it upward.

<Removal> - Holding the water supply bottle, push in the bottle attaching/detaching switch until it is locked. - While holding the control unit, pull out the water supply bottle upward.

Installation and Removal of the Water Supply Bottle Cap: 

• Check the packing inside the water supply bottle cap for misalignment or detachment.
• Close the water supply bottle cap.

<Removal> - Before opening the water supply bottle cap, press the bleeder button to release the pressure in the water supply bottle. - Check that the pressure is completely released, then open the water supply bottle cap.

Installation and Removal of Water Filter Set (Use of City Water):

• Push the hose of the water filter set into the tap water connector on the back of the control unit until it is securely set.
• Check if the hose is securely installed by slightly tugging it after connection.
• Connect the other end of the hose to the tap water line.

Adjustment of chip air (when water supply is used):

• Check the spraying condition and adjust the amount of chip air with the chip air adjustment knob.
• Increasing the chip air results in a mist state, while decreasing it results in a straight-line state.

Replacement Procedures of Cartridge:

• Loosen the cartridge retainer by turning it in the specified direction.
• Hold the bur and pull out the cartridge toward the front.
• Make sure to remove the O-ring placed on the rear bearing.
• Clean the head interior before inserting a new cartridge.
• Align the position of the pipe for water and chips and the positioning pin with the hole of the nose hood of the cartridge.
• Push the cartridge in straight and tighten the cartridge retainer securely.

Maintenance of Unit:

• Draining the filter: Check the filter bowl, insert fingers from the bottom, and turn the drain cock to drain water from the filter. Securely tighten the drain cock after draining.
• Changing O-ring: Remove the old O-rings and mount new ones into the grooves.
• Changing Water Filter: Close the water valve of the dental unit, use spanner wrenches to separate the water filter case, remove the old water filter, replace it with a new one, and reassemble the filter.

• Manufacturer/Importer warranty of 1 Year against manufacturing defect

Question) Can I adjust the air volume independently from the water volume?

Answer: Yes, the NSK Presto Aqua II allows independent adjustment of both the air and water volume to customize the spray output.