Operating Instructions - Lincoln Electric VIKING 2450 Series Operator's Manual

Headgear Adjustment
Crown
Adjustment
Fore-Aft
Adjustment
HEAD SIZE ADJUSTMENT: HEADGEAR TIGHTNESS is adjusted by push-
ing in the Ratchet Knob and turning to adjust for the desired head size. This
knob is located at the back of the helmet. HEADGEAR CROWN ADJUST-
MENT is made by adjusting for comfort and snapping the pins into the holes
to lock securely in place.
TILT: Tilt adjustment is located on the right side of the helmet. Loosen the
right headgear tension knob and push the top end of the adjustment lever
outward until the lever's Stop Tab clears the notches. Then rotate the lever
forward or back to the desired tilt position. The Stop will automatically
engage again when released locking the helmet into position.
FORE / AFT ADJUSTMENT: Adjusts the distance between the user's face
and lens. To adjust, loosen the outside tension knobs and slide forward or
back to desired position and retighten. NOTE: Make sure both sides are
equally positioned for proper operation.

OPERATING INSTRUCTIONS

Tilt
Adjustment
Ratchet
Knob
4