Most S777 - Troubleshooting and Maintenance; Common Problems and Remedies; Lens and Helmet Maintenance; Technical Specifications

COMMOM PROBLEMS AND REMIDIES
Place the new cover lens into the correct position.
Step 2: Check and make sure that the frame is
securely installed.·
Irregular Darkening Dimming
Headband has been set unevenly and there
Replacing the inside cover lens if it is damaged
is an uneven distance from the eyes to the
(cracked,scratched, soiled or pitted).
filter's lens (Reset headband to reduce the
difference to filter).
Cleaning The Filter's Lens with aclean lint-free
Auto-Darkening Filter Does Not Darken
tissue or cotton cloth.
Or Flickers
Don't immerse the lens in water or any other
Front cover lens is soiled or damaged
liquid. Never use abrasives, solvents or oil based
(change lens cover)
cleaners.
Sensors are soiled (clean the sensors'
Don't remove the auto-darkening filter from the
surface)
helmet. Never try to open the filter.
Welding current is too low (turns the switch
to the "Long" position).
Slow response
Operating temperature is too low (do not use
at temperatures below - 5 ° C or 23 °F).
Poor Vision
Front /inside cover lens and/or filter lens are
soiled (change lens)
There is insufficient ambient light
Shade number is incorrectly set (reset the
shade number)
Welding Helmet Slips
Headband is not adjusted properly (readjust
headband)
TECHNICAL SPECIFICATIONS
WARNING !
Viewing Area: 98 × 43 mm ( 3.86" × 1.69")
Operator must stop using the auto
Size of Cartridge:110 × 90 × 9 mm (4.33" ×
darkening filter welding helmet
3.54" × 0.35")
immediately if the above-mentioned
UV/IR Protection: Up To Shade DIN16 at all
problems cannot be corrected. Contact
time
the dealer.
Light State: Shade DIN 3 ( S777 ), Shade DIN 4
(S777a)
Variable Shade: From DIN 9 to DIN 12 (S777)
From DIN 9 to DIN 13 (S777a).
LENS & HELMET MAINTENANCE
Power Supply: Solar cells, No battery change
required.
Replacing the front cover lens if it is
Power On/Off: Fully Automatic
damaged (cracked, scratched, soiled or
Sensitivity: Outside Can be continued
pitted)
adjustable.
Step 1: Remove the front cover lens by
Function: “WELDING”/“GRINDING” can be
pulling up the central part of the lens (figure).
selective.
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COMMOM PROBLEMS AND REMIDIES
LENS & HELMET MAINTENANCE
TECHNICAL SPECIFICATIONS
GB
Auto-darkening filter welding
helmet S777
User's manual, v. 3.0,
01.08.2012