Cartridge And Lens Replacement - Lincoln Electric VIKING 1840 Series Operator's Manual

CARTRIDGE AND LENS REPLACEMENT

Replacing Front Clear Cover Lens: Replace the front cover lens if it is dam-
aged. Remove ADF holder assembly per Figure 1. Remove front cover lens from
helmet assembly. Carefully remove gasket from cover lens. Install new cover
lens into gasket and assemble to helmet shell. Make sure to assemble cover
lens and gasket into helmet shell the same way as it was removed.
Replacing Inside Clear Lens: Replace the inside clear lens if it is damaged.
Remove ADF holder assembly per Figure 1. Remove shade cartridge from ADF
holder. Place your fingernail in recess above cartridge view window and flex lens
upwards until it releases from edges of cartridge view window.
Change the Shade Cartridge: Remove ADF holder assembly from helmet shell.
See figure 1 for removal. Flex top end of the ADF holder to allow for ADF car-
tridge to be removed from frame. Install new ADF cartridge into frame per figure
2 below. Make sure that the ADF cartridge is inserted in ADF holder correctly as
shown. Install ADF holder assembly into helmet shell.
Position the shade potentiometer inside of the helmet with the shaft protrud-
ing through the hole. From outside of the helmet, position dial panel onto the
potentiometer shaft and secure potentiometer to shell, rotate shaft counter-
clockwise until an audible click is heard and install shade control knob with
pointer positioned at Grind location on dial panel.
INSTALLING AN AFTERMARKET MAGNIFYING LENS:
Simply slide the magnifying lens into the short rail located on the sides of ADF
holder per Figure 3. Shade cartridge must be removed from ADF holder to install
magnifying lens.
Figure 1 Figure 2 Figure 3
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