SAFETY Welding and cutting equipment can be dangerous to both the operator and people in or near the surrounding working area, if the equipment is not correctly operated. Equipment must only be used under the strict and comprehensive observance of all relevant safety regulations. Read and understand this instruction manual carefully before the installation and operation of this equipment.
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SAFETY Fire hazard. Welding/cutting on closed containers, such as tanks,drums, or pipes, can cause them to explode. Flying sparks from the welding/cutting arc, hot work piece, and hot equipment can cause fires and burns. Accidental contact of electrode to metal objects can cause sparks, explosion, overheating, or fire.
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• If this lens does not darken when striking arc, stop welding immediately and check the helmet is in Weld Mode and not Grind Mode. If the issue persists, contact your local UNIMIG Service Department. • Do not immerse this lens in water.
• DO NOT use U21014K with the blower unit switched off. • DO NOT use U21014K in an atmosphere that is immediately hazardous to user hygiene or health and or has oxygen content of less than 19.5% or contains unknown substances.
Check that the apparatus is complete, undamaged and correctly assembled. Any damaged or defective parts must be replaced before use. FIGURE 1 1. Open U21014K unit and check the spark arrestor, pre-filter and filter, FIGURE 2 (A). 2. Replace the filter back into the casing if it’s in good condition. FIGURE 2(B).
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PAPR WELDING HELMET 3. Install the U21014K blower on the belt. Remove the release buckle out of the belt. FIGURE 3(A). ii. Draw the fasten belt out from the waist connector. FIGURE 3(B) iii. Slide the fasten belt into the blower unit through the two blower slots. FIGURE 3(C).
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PAPR WELDING HELMET 4. Connect the breathing hose between the welding helmet and the U21014K blower, FIGURE 4. Check that the breathing tube is securely fastened. NOTE: If the breathing tube is broken, please replace it. FIGURE 4 Carefully observe the instructions that explain how the equipment is to be used, before taking it into service.
If the U21014K unit starts, switch it off while charging. The battery icon on the U21014K unit is used for battery capacity instead of the charging state indicating (FIGURE 8). Always refer to charging light to tell the charging state.
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PAPR WELDING HELMET FIGURE 8 (NOT FOR CHARGING STATE INDICATING) If the charger indicator light will not light up when connecting the charger to the battery, please check the battery’s charge connector and the charger’s cords and connectors. 4. After charging is completed, disconnect the battery charger from the mains supply. 5.
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FITTING • Adjust the waist belt and dual shoulder strap size, so that the U21014K unit sits easily and is accessible and comfortable on your hips. • Pull down the face seal ring and put on the head top. Adjust the headgear to suitable tightness so that it will be stable on the head. The tightness of headgear can be adjusted by pushing and turning of the adjusting knob.
PAPR WELDING HELMET LCD AND OPERATION There is a LCD display on U21014K unit to show the U21014K working condition (FIGURE 12). FIGURE 12 • Part 1 shows the data of current air flow. • Part 2 shows the level of the airflow.
5. If necessary, clean or change the part arrestor (metal net) on the base of the filter cover. 6. Put back the filter cover, with the filter installed, by hooking the cover on the left side of the U21014K unit, and pressing the cover down so that the latch engages correctly.
PAPR WELDING HELMET TROUBLESHOOTING PROBLEM PROBABLE CAUSE ACTION Motor is stuck Motor damage Check and remove physical failure and restart the LCD defective code E01 and red light flashes system. Return to dealer if LCD still shows E01 Blower structure failure caused by outer force Circuit failure Motor damage Check and remove physical failure and restart the...
PAPR WELDING HELMET SPECIFICATION Size 9-2/5 x 6-1/2 x 2-3/4 in. (240 x 165 x 70 mm) (Blower Assembly) Weight 2.4KG Air Filter 1*P2 Level 1: >=165L/min Air Flow Level 2: 200L/min Level 3: 230L/min Noise Level Max 73dB Operating Temperature 23ºC to 131ºC (-5ºC~55ºC) Storage temperature 14ºC to 131ºC (-10ºC~55ºC)
• The U21014K unit has not been subject to misuse, accident, modification or repair. N.B. In the event of a claim, contact the retailer from which the U21014K unit was purchased. The guarantee does not cover normal wear and tear this guarantee does not affect your legal rights.