Possible Problems And Remedies; Technical Specifications; Assembly Drawing; Recommended Shade Numbers - Helvi SKY 4.0 Manual De Instrucciones

TECHNICAL SPECIFICATIONS

Optical Class
Filter size
Viewing area
Sensors
Light Shade
Darkness Shade
Protection Adjustment
UV/IR Protection
Switching time from Light to
Dark
Switching time from Dark to
Light
Sensitivity/Delay
Power Supply
ON/OFF
Low Battery alarm
Min Amp/TIG Rating
Grinding
Operating Temperature
Storage Temperature
1 Helmet
2 External Protection Lens
3 Filter
3-1 External Regulation
4 Filter Support
5 Headband kit
1/1/1/2
110x90x10mm
100x53mm
4
4
9-13 Welding, 5-8 Cutting
External, variable shade
up to DIN16
1/25000 s
0.1-1.0s
adjustable by infinite knob
Solar cells and 1
CR2450 battery
Automatic
Yes, red pilot lamp
≥ 5A AC - DC
Yes
-5°C - 55°C (23°F-131°F)
-20°C - 70°C (-4°F-158°F)

ASSEMBLY DRAWING

RECOMMENDED SHADE NUMBERS

POSSIBLE PROBLEMS AND REMEDIES

Irregular Darkening Dimming
• Headband not properly set and uneven distance from
eyes and filter. Adjust again the headband.
Auto-darkening Filter does not darker or flickers
• External Protection Lens are soiled or damaged, re-
place them.
• Sensors are soiled. Clean them carefully.
• Welding current is too low. Increase the sensitivity. .
• Check the batteries, ensure they are in good condi-
tion and properly installed. Check the contact surfaces
and clean them if necessary.
Slow response
• Operating temperature is too low. Do not use the
mask under -5° C or 23° F.
Poor vision
• External or internal Protection Lens or Filter are soi-
led or damaged, replace them.
• Insufficient ambient light.
• Protection shade not properly adjusted, readjust it
Welding helmet is not firm on your head
• The headband is not properly adjusted, readjust it.
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