Lincoln Electric weldline WELDRY MW2 Instrucciones De Seguridad página 2

ISUM WELDRY MW2-MW4-MW6_GB__ 01/06/2018 09:23 Page2
3. ASSEMBLING INSTRUCTIONS
The oven is packaged in heavy duty cardboard packaging for shipment. The oven is equipped with
eyebolts so that it can be handled by a lifting device.
Connect the oven electrical cable to the power supply in accordance with all local and national
electrical and safety standards; The working voltage and power rating are listed on a label located on
the oven.
The oven is now ready for use.
4. OPERATING INSTRUCTIONS
After checking the power supply connections to the oven, act on the general switch and check that
power is on (white pilot light).
After a self-control phase of about 5 seconds, the thermo regulators are on and start doing the
ON/OFF symmetrical adjustement with 5 °C hysteresis according to the temperatures and times set
up in advance.
Oven-environment 120 °C with safety control on the heating elements at 470 °C.
Should a different program be required, act in the following way:
1) Thermo regulator for the heating elements control and safety (°C heating element):
Press and release the key L1 : the L1 led starts lightening, 1SP is displayed for one second, then the
value linked to the setpoint appears; press  or  to change the value ; by pressing
value and the return to normal mode can be saved; the same happens after 10 seconds the keyboard
is inactive; press 1/0 to return to normal mode without saving any value.
2) Thermo regulator for air (°C oven-environment): adjustment as above.
5. MAINTENANCE
5.1. Routine Maintenance
Plan the routine maintenance when the oven is not in use.
Warning: Switch off the Electrical power to the oven before performing maintenance.
Check the oven is always in efficient condition.
Check the wiring cable and, if damaged, replace it immediately.
5.2. Oven - Heating element replacement
To replace heating element, proceed as follows:
Warning: switch the main supply off.
Make sure that the heating elements are cool prior to performing maintenance.
• Remove the protection cover located on the rear of the oven.
• After removing the electrode tray, disconnect the faulty heating element pulling it out from the oven
front.
• Fit the new heating element having the same properties and sizes and restore the right connections
• Reassemble the bottom cover on the rear of the oven.
• Place the electrode trays in the oven chamber.
• Switch on the oven main power switch for few minutes to eliminate any possible humidity residual
on the new heating element. Switch it off and wait about 15 minutes before switching it on again
and making the oven on operation. This allows the heating element to get stable and have a better
long-life.
5.3. Extraordinary maintenance
Check periodically the electrical wires, the components and the connections and replace them when
damaged.
In case of any other further problem, please contact your usual dealer or directly LINCOLN ELECTRIC,
who will help you with right indications for a good use.
Please inform us of any problem you may have. Plus, please let us know any suggestion you believe
useful to improve the equipment. It is welcome.
6. SAFETY
6.1. Accident prevention rules
In order to observe and to prevent the safety of the employees using this oven, users should follow
these standard safety procedures:
1. The users must use the wear safety goggles, shoes, dressing or something else suitable for
the place and the ambient when they are operating.
2. Read carefully the instructions reported on this manual.
3. Check the electrical connections before switching the oven on.
4. Switch the power supply off before disconnecting the pin.
5. Attend to all cautions mentioned time by time on this manual.
ALL THE OPERATIONS MUST BE DONE AT THE BEST SAFETY CONDITIONS.
LINCOLN ELECTRIC EUROPE S.L.
c/o Balmes, 89 - 8 o 2 a - 08008 Barcelona - SPAIN
7.1. Foreseen use conditions
The oven has been designed for welding electrode keeping treatments.
Any other use, different from what indicated by the producer, could be hazardous for the operator.
The supply power cables must be disconnected during the oven displacement.
Handle the oven using the relevant eyebolts and a suitable lifting device.
The oven has to be placed in a safe area, protected against mud, water and sheltered from rain and
humidity. The unit cannot be used in the open air.
The oven door can be locked (lock not supplied) to avoid opening the door during the drying process.
We suggest the assignment of an electrode treatment manager to insure the proper treatment of
electrodes.
The operator should wear the appropriate attire with all safety devices when opening the oven.
Never access the oven during the drying process because of the very high temperature.
The keeping oven is only designed and manufactured for specific function. Be sure to use all of the
safety devices supplied or suggested by the manufacturer.
Any modification to the oven and relevant accessories is forbidden.
Always remember that electricity is applied to the oven even if the thermostat is OFF.
7.2. Not allowed use

the new
Do not store or heat liquids.
Do not tamper with electrical circuitry of the oven.
Do not leave the air snorkels closed during the drying cycle (their opening improves air circulation).
Do not use the oven at the open air and exposed to weather inclemencies.
Do not use the oven without the appropriate safety devices and without grounding.
When the oven has to be controlled, please switch the main power switch off, before operating.
In case of fire, do not use liquid or foam fire extinguisher.
8. DISASSEMBLY AFTER USE
When the utilisation is completed, switch the main power supply off and remove the remaining
electrodes putting them in a keeping oven. Then switch the main power switch off for disconnecting
power, putting it on "0" position. Disconnect the main power tension.
If the electrodes have soaked up humidity, provide for a new dryer treatment before using them again.
9. DISMOUNTING INDICATIONS
9.1. General indications
Do not waste the oven in the ambient.
Make a separation of the components selecting by category for a possible reuse or separate waste.
In any case please refer also the local regulations about waste.
9.2. Separation of the components
The materials composing the drying ovens are:
Steel ................................. main body
Stainless Steel (inox) ........ inner structure
Copper ............................. wires, transformer winding
Plastic .............................. switches, thermoregulator body and contactor
Glass fiber ........................ door gasket
Rock Wool ........................ inner Insulation
Other materials ................. electronic components
10. WARRANTY
10.1. General conditions
LINCOLN ELECTRIC guarantees the product mentioned in this manual for a period of 24 (twenty-four)
months from the date of delivery.
The warranty is valid for the above mentioned period and only for the parts that will have defect of
design or defective material.
Complaints have to be sent directly to LINCOLN ELECTRIC mentioning the reason of the defect.
LINCOLN ELECTRIC will give you further instructions for repairing or replacing the complained parts,
free of charge.
Any transport expenses will be covered by the customer.
10.2. Limitations
LINCOLN ELECTRIC is not and will not be responsible for:
• Improper use of the oven.
• A use against the national and/or International regulations in force.
• Improper or wrong connection.
• Bad fault on maintenance.
• Unauthorized modifications and/or services.
• Use of non-original spare parts or non-specific components.
• Inobservance of the instructions, also only partially.
• Unusual events as natural disasters, wars, strikes or similars.
7. USE CONDITIONS
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