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Picture 10 HW980 protective glass split diagram
■ Disassembly and assembly of the upper protective glass and focusing
lens:
（1）As shown in Figure 11, pinch both sides of the drawer-type lens
holder and slowly pull out the focusing lens drawer;
（2）Remove focusing lens: Carefully remove the 20.55 sealing ring; take
out the focusing lens D20-F150.
（3）Carefully remove the D20.55 sealing ring, and take out the protective
glass D20X3.
（4）Install the cleaned (or replaced) lens into the focus lens drawer;
（5）Reinstall the focusing lens cover and D20.55 sealing ring.
（6）Reinsert the focusing lens drawer back into the welding head.
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