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Hersteller: Hobart Welding Products Dateigröße: 436.04 kb Dateiname: Unterrichtssprache:

3. Reinstalling auto.darkening lens assembly . Gently place auto. darkening lens in front of helmet. (Be careful not to drop lens.) Install front lens cover with gasket. Grasp front lens holder and slowly insert the six retaining pieces into front of helmet. (Make certain you gently squeeze the outside edges of the front lens holder while inserting tabs into helmet.) From the inside of helmet, gently push the retaining tabs in to secure the front lens holder in place. Page 7 SECTION 4 . BATTERY REPLACEMENT Model XTV: Remove the batteries by sliding the cover plate to the left. Replace with 2 AAA alkaline batteries. (Note: be sure the positive (+) side of the battery is aligned with positive (+) terminal.) Replace cover plate and then press On button. Model XTP: Remove the batteries by turning the battery cover counterclockwise 90 degrees. Replace with Lithium battery CR2450. (Note: be sure the battery positive (+) terminal is up.) Replace the cover and then press On button. NOTE: The XTF model has a non-replaceable Lithium battery. SECTION 5 . MAINTENANCE Cleaning The helmet requires little maintenance, however for best performance we recommend cleaning after use. Using a soft cloth dampened with a mild soap and water solution, wipe the cover lenses clean. Allow to air dry. Occasionally, the filter lens and sensors should be cleaned by gently wiping with a soft, dry cloth. (Never use solvents or abrasive cleaning detergents. Do not immerse the lens assembly in water). Page 8 SECTION 6 . TROUBLESHOOTING Symptom Solution Not ON – auto-lens will not darken Check batteries and make sure that they are in good momentarily when turned on. condition and installed properly. Also, check battery surfaces and contacts and clean if necessary. Check battery for proper contact and gently adjust contact points if necessary. This is particularly important if the helmet may have been dropped. Not switching – auto-lens stays light Stop welding immediately: Make sure the auto-lens and will not darken when welding. power is turned ON. If power is on, review the sensitivity recommendations and adjust sensitivity. Clean lens cover and sensors of any obstructions. Make sure the sensors are facing the arc, angles of 45 or more may not allow the arc light to reach the sensors. Not Switching – auto-lens stays dark Fine-tune the sensitivity setting by making small adjust- after the weld arc is extinguished, or ments to the control by turning it toward the “Low” set- the auto-lens stays dark when no arc ting. In extreme light conditions, it may be necessary to is present. reduce the surrounding light levels. Sections of the auto-lens are not going dark, distinct lines separate the light and dark areas. Stop welding immediately: The auto-lens may be cracked which can be caused by the impact of dropping the helmet. Weld spatter on the auto lens may also cause cracking. (The lens may need to be replaced, most cracked lenses are not covered by warranty). Switching or Flickering – the auto-Review the sensitivity setting recommendations and lens darkens then lightens while the increase the sensitivity if possible. Make sure that the welding arc is present. arc sensors are not being blocked from direct access to the arc light. Check the lens cover for dirt and spatter that may be blocking the arc sensors. Inconsistent or lighter auto-lens Referred to as an angle of view effect, auto-darkening shading in the dark-state, noticeable lenses have an optimum viewing angle, perpendicular, on the outside edges and corners. 90 to the surface of the auto-lens. When that angle of view varies in the dark-state, welders may notice slightly lighter areas at the outside edges and the corners of the lens. This is normal and does not represent any health or safety hazard. This effect may also be more noticeable in applications where magnifying lenses are used. Page 9 SECTION 7 . LIMITED WARRANTY Effective December 1, 2005 LIMITED WARRANTY – Subject to the terms and conditions below. Hobart Welding Retail, Appleton, Wisconsin, warrants to its original retail purchaser that the new Hobart equipment sold after the effective date of this limited warranty is free of defects in material and workmanship at the time it is purchased at the retailer. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OR MERCHANTABILITY AND FITNESS. Hobart auto-darkening lens helmets are warranted for two (2) years from the date of purchase. Proof of purchase is required for warranty transactions so it is imperative that a copy of the original invoice or sales receipt be retained. For warranty transactions, contact your original Hobart retailer. Page 10 SECTION 8 . REPLACEMENT PARTS Item No. Description Stock No. 1* Kit, Lens Cover Flat Black 770425 Kit, Lens Cover Gloss Black 770426 Kit, Lens Cover Patriot (Blue) 770452 Kit, Lens Cover Red Rivet 770453 Kit, Lens Cover Blaze Orange 770454 2 Replacement XTF Lens 770455 Replacement XTV...

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