Bohler GUARDIAN 50 Manual De Instrucciones página 7

1. Ensure that the helmet is always fitted with Böhler Welding approved outer and inner
protection lens.
2. The protection lenses must be replaced when broken, damaged or covered with welding
spatter to the extent that vision is impaired.
3. Outer and Inner protection lenses are wear parts and must be replaced regularly with
genuine certified spare parts.
4. The outer protection lens is mounted from the back, see above illustration.
5. The inner lens is mounted from the back into the locaters on the auto darkening filter.
Protection marked in accordance with this standard is only provided when all lens and
retention components are installed according to the list of manufactures instructions.
6. Change dark shade from 9 to 13 and grind mode as desired by using the variable ad-
justment knob.
7. Adjust the Sensitivity Time as desired by using the variable adjustment knob.
8. When the helmet is not used for 15 minutes the power will automatically shut-off.
There is no OFF switch.
REPLACING THE OUTER LENS
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