Elettronica Todescato L/160 Instrucciones de uso

INDEX

SECTION 1: Description and main features of the welder

1.1 Presentation 4

1.2 Warranty 4

1.2.1 Exclusion from warranty 5

1.3 Machine identification 6

1.4 Equipment 7

1.5 Machine description and use limitation 7

1.5.1 Description 7

1.5.2 Use limitation 7

1.6 Noise 8

1.7 Technical features 9

SECTION 2: Safety and prevention

2.1 Safety 10

2.1.1 General safety regulations 10

2.2 Safety signs (Symbols) 11

2.3 Safe use and maintenance 12

SECTION 3: Transport and installation

3.1 Packaging 12

3.2 Shipping 12

3.3 Un-packaging 13

3.4 Positioning 13

3.5 Storing 13

SECTION 4: Use

4.1 Connection to the electric circuit 14

4.2 Preparing the electrolyte 14

4.3 Tank filling 15

4.4 Booster tank filling 15

4.5 Preparing deoxidizer liquid 15

4.6 Hazardous operations 16

4.7 Starting the machine 16

4.8 Stopping the machine 17

4.9 Backfire 17

4.10 Safety device 18

4.11 Refilling deoxidizer liquid 18

4.12 Refilling distilled or demineralized water 18

SECTION 5: Maintenance

5.1 Generalities 19

5.2 Every six months 19

5.3 Once per year 19

5.4 Every four years 20

5.5 Putting the machine out of service 20

5.6 Scrapping 20

5.7 Disposing of the electrolyte 20

5.8 Disposing of the liquid deoxidizer 20

5.9 Trouble shooting 21

5.10 Interventions 25

5.10.1 What to do in order to see if the tank is short- circuit 25

5.10.2 Controlling pressure, adjustment valve 25

5.10.3 Checking valve tightness 26

5.10.4 Replacing the valve 26

5.10.5 Replacing the electrolyte 27

SECTION 6: Spare parts

6.1 Spare parts 27

FIGURE LIST

Fig.1 Welding and components 6

Fig.2 Machine layout 9

Fig.3 Safety signs 11

Fig.4 Valve replacement 27

Fig.5 Spare parts 29

Fig.6 Wiring diagram 31

Fig.7 Gas circuit 32

SECTION 1

Description and main features of the welder

1.1 PRESENTATION

This manual gives information regarded as necessary to know, use correctly and carry out normal

maintenance operations on this welder « L/160 » (hereinafter referred to as machine) fabricated by

«Elettronica Todescato S.r.l.» in Arcugnano (Vicenza) Italy (hereinafter referred to as Manufacturer).

The material in this manual is not intended to be a complete description of the parts nor a detailed

explanation of their option. The user, however, will find the kind of Information normally required to

operate the machine correctly and safely and also to keep in good working condition.

Compliance with and observance of what is described in the manual is an essential condition for the

trouble-free operation, long life and cost effective performance of the machine.

ATTENTION

Failure to observe the instructions in this manual, negligence, incorrect or improper use of the

machine can be cause of machine warranty coverage cancellation by manufacturer.

Manufacturer therefore declines any and all liability for injury to persons or damage to

property caused by failure to follow the instructions given in this Manual.

Service work or overhauls involving complex operations must be entrusted to an authorized Technical

Service Center which have the necessary specialized personnel. Or directly to the Manufacturer who

is at your complete disposal to ensure fast and complete technical assistance and anything else that

can promote improved operation and optimum performance by the machine.

DANGER

This Manual must be kept in a safe place at the disposal of the operator and service engineer,

for consultation at any time during the machine’s entire working life. It should be delivered with

the machine if this latter is sold.

The manual must be kept in a safe place that is familiar to the assigned personnel. It is the

responsibility of the personnel to keep the manual complete to allow for a consultation for the

entire life of the machine. If the manual is damaged or lost, a copy must be immediately

requested from the Manufacturer.

1.2 WARRANTY

Elettronica Todescato S.r.l. ensures that the machine referred to in this manual has been tested in

its own premises. The machine is guaranteed for 1 year (12 months) from the date of purchase. Should

the machine be tampered with or improperly used, particularly concerning the safety devices, the

warranty will be voided and the manufacturer will be discharged from any liability whatsoever. Upon

delivery, make sure that the machine has not suffered damage during transportation and that it is

complete with all standard accessories and any optional equipment specifically ordered. Complaints

must be made in writing and be submitted to your reseller within and not later than 8 (eight) days.

1.2.1 EXCLUSIONS FROM WARRANTY

This warranty shall be null and void (apart from the causes given in the Purchase Contract):

- If the machine is used with incorrect voltage.

- If the damage is due to insufficient maintenance or lack of proper service.

- If, following repairs carried out by the owner without manufacturers consent due to installation

of non-original spare parts, the machine has been changed and the damage was caused by

this changes.

- If the instructions given in this manual were not followed correctly. - Exceptional events.

Damage caused by negligence, lack of care, improper and bad use of the machine or incorrect

maneuvering by the operator shall also cause this warranty coverage to be null and void.

ATTENTION

Removal of safety devices installed on the machine will automatically make this warranty null

and void of the Manufacturer.

1.3 MACHINE IDENTIFICATION

Each machine is equipped of identification plate (fig.1 # 21), giving the following Information:

- Name and address of Manufacturer;

- «CE» Mark;

- A) Machine type;

- B) Year of fabrication;

- C) Serial number;

- D) Voltage;

- E) Ampere;

- F) Watt;

- G) Frequency;

- H) Pressure.

The data given on the identification plate should be written in the spaces provided on the back cover

of this manual and should always be specified when ordering spare parts or requesting Technical

Assistance.

FIG. 1- WELDER AND COMPONENTS

Legend Fig.1

1. Three-position switch

2. Safety cap

3. Filling neck

4. Power control knob

5. Minimum level indicator light (yellow)

6. Maximum level indicator light (red)

7. Booster tank

8. Handle knob

9. Booster holder

10. Torch

11. Burner tip/nozzle

12. ON indicator light (green)

13. Check valve cap

14. Torch holder (optional)

15. Torch hose

16. Torch hose fitting

17. Booster holder hose fitting

18. Flame arrester cap

21. Identification plate

1.4 EQUIPMENT

Standard equipment

- Burner tip (Fig. 1 # 11).

- User Manuals and DVD. -

- Spare fuse (Fig. 5 # 37).

- Plastic funnel.

- Torch (es).

- Fire proof rubber hose.

- Power cord.

Optionals:

- Container with distilled / demineralized water.

- Container with liquid flux (deoxidizer).

- Torch holder (14 Fig. 1). -

- 2.5 Bar pressure gauge.

- Electrolyte solution.

- One year maintenance kit.

- Igniter.

1.5 MACHINE DESCRIPTION AND USE LIMITATION

The «ET Hydrogen Welder L/160» is a machine marked with «CE» symbol in compliance with

European Union regulations pursuant to EEC

Directiv

e 2014/35/UE and 2014/30/CE

as detailed

in the UE

Declaration

Conformity annexed to

each

machine.

1.5.1 DESCRIPTION

The «ET Hydrogen Welder L/160» can be used in craftwork or industrial workshop with a minimum

volume of 30 m³ and provided with natural ventilation by means of suitable openings to the outside in

compliance with the regulations in force in the user’s country. This machine is mainly used for soft

and hard brazing applications in the fields of jewelry, goldsmith, costume jewelry, dental mechanics,

micromechanics, and for welding materials such as platinum, beryl, nickel, thermocouples, enamel

copper, glass, quartz.

1.5.2 USE LIMITATIONS

The hydrogen and oxygen mixture produced by this welder must be solely used to produce one flame

for braze welding or thermal treatments of metal parts in general, or for working quartz glass.

DANGER

Any use whatsoever different from those quoted here within and not included or not directly

inferred from this instructions’ manual, will be regarded as «NOT ALLOWED».

It is not permitted to operate the machine when the flame is out. This would result in,

accumulation of explosive mixture in the surrounding environment and pollution caused by

the methyl alcohol.

The machine has been designed for professional use. The operator must be of proven ability

and capable of reading and understanding the instructions given in this manual.

The operator must also use the machine in accordance with the ruling accident prevention

standards, operating conditions and characteristics of the machine.

DANGER

THE USE OF THE MACHINE FOR ANY OTHER PURPOSE THAN THAT DESCRIBED IN THIS

MANUAL RELIEVES THE MANUFACTURER ANY RESPONSIBILITY FOR DAMAGES TO

PERSONS, ANIMALS OR THINGS RESULTING FROM INAPPROPRIATE USE.

1.6 NOISE

The noise level (acoustic pressure) was determined with the machine running under no load

conditions with the readings of the 70 dB(A) inferior.

1.7 TECHNICAL FEATURES

FIG. 2–MACHINE LAYOUT

H2/O2Gas production

It/h

160

Water consumption

cc/h

Alcohol consumption

cc/h

Booster tank capacity

282

Maximum power

Watt

100

Electrolyte

Weight

SECTION 2

Safety and Prevention

2.1 SAFETY

The owner of the machine must instruct personnel about the risk of industrial accident, the safety

device installed for operator safety and on general industrial accident prevention regulations applied

by law in the country where the machine is to be operated.

Operator safety is a matter of considerable importance for machine design and fabrication. When

designing a new machine, every effort is made to foresee every possible dangerous situation and,

naturally, adopt suitable safety devices to counter them. Therefore, a careful reading of this manual

and special care and attention whenever any intrinsically dangerous operations have to be carried

out, they are obligatory.

DANGER

Manufacturer declines any and all liability for injury to persons or damage to things caused by failure

to follow this safety regulation and accident prevention recommendations detailed here.

Pay special attention when you see this symbol in the manual.

2.1.1 GENERAL SAFETY REGULATIONS

ATTENTION

The failure to comply with the information described in «Section 2 –Safety and Prevention»

and the mishandling of the safety devices relieves the Manufacturer from any responsibility in

the event of accidents, damage or machine malfunctions.

General rules:

- The user undertakes to entrust the machine to a qualified and trained personnel only.

- The user is bound to take all the necessary measures for preventing unauthorized personnel

from accessing the machine.

- The user undertakes to provide its personnel with adequate information regarding the

application and observance of the safety regulations. To this end, the user undertakes to

ensure that all the personnel understand the machine operating instructions and the safety

regulations relative to their particular responsibility.

- The user must inform the Manufacturer of any defects or malfunctions in the accident

prevention system and any situations of potential danger.

- The personnel must use the personal protection items provided for by law and respect

instructions given in this manual.

- The personnel must respect the danger and caution symbols on the machine.

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