Lares Research 557 User manual

Distributed by:
Lares Research
295 Lockheed Ave
Chico, CA 95973 USA
Tel [phone]
Fax [phone]
Manufacturer:
Lares Research
295 Lockheed Ave
Chico, CA 95973 USA
www.laresdental.com
1-888-333-8440 © Copyright by Lares Research 2019
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Swivel Highspeed
Handpiece
Instructions For Use

Technical Specifications
ii

Table of Contents
i Technical Specifications.............................................................................................. .. ii
1 Product Description..................................................................................................... 1
2 Introduction................................................................................................................. 4
3 Safety.......................................................................................................................... 7
4 First Use...................................................................................................................... 15
5 Operation.................................................................................................................. 21
6 Reprocessing (Maintenance).....................................................................................32
7 Troubleshooting...................................................................................................... ... 47
8 Warranty Terms and Conditions............................................................................... .. 57
9 Replacement Parts.................................................................................................... 60
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1 Product Description
Highspeed Handpiece, Swivel, Push Button
1.1 Purpose – Proper use
Purpose:
This highspeed handpiece is
• Only intended for dental treatment. Any other type of use or alteration to the product
is impermissible and can be hazardous. The handpiece is intended for the following
uses: Removal of carious material, cavities and crown preparations, removal
of fillings, processing of tooth and restoration surfaces.
• A medical device according to relevant national statutory regulations.

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Indications for Use:
The Lares Research 557 and 757 handpieces are intended to be used by a licensed
dental professional to reduce hard tooth structure, carry out cavity preparations and
perform restorative dentistry.

Proper use:
According to these regulations, this handpiece may only be used for the described
application by a licensed dental professional. The following must be observed:
• The applicable health and safety regulations,
• The applicable accident prevention regulations,
• These instructions for use.
According to these regulations, it is the responsibility of the user to:
• Only use equipment that is operating correctly,
• Use the equipment for the proper purpose,
• Protect him or herself, the patient and third parties from danger, and
• Avoid contamination from the product.
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2 Introduction
Dear User,
Congratulations on purchasing this Lares Research quality handpiece. You are now the
owner of the most advanced highspeed handpiece available. By following these
instructions you will be able to work smoothly, economically and safely.
WARNING
For professional use only.
This product is intended for use only by licensed dental professionals.
Before operating handpiece, carefully read and follow these instructions.
Observe all cautions and warnings during use.

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SYMBOLS
Refer to the Chapter on Safety/Warning symbol
Important information for users and service technicians
Action request
Can be sterilized with steam up to 135 °C (275 °F)
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134 °C

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This document is intended for dentists and their assistants. The section on starting up is
also intended for service technicians.
WARNING
For professional use only.
This product is intended for use only by licensed dental professionals.
Before operating handpiece, carefully read and follow these instructions.
Observe all cautions and warnings during use.
CAUTION
Caution: United States federal law restricts this device to sale by or on the
order of a dentist. (21 CFR 801.109)

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WARNING SYMBOL
3 Safety
3.1 Description of safety instructions
Description of hazard levels
The safety instructions listed here, together with the three levels of danger, will help avert
damage and injury.
Structure
DANGER
The introduction describes the type and source of the hazard.
This section describes the potential consequences of non-observance.
The optional step includes necessary measures for hazard prevention.