2. Attach the extension apron and extension cover.

Procedure
  1. Insert the insulating material for the extension apron into the back side of the extension apron.

    AP-640_InstallDannetsuzai1

  2. Place the extension apron on the inner side of the arm.
    1. With the insulating material facing the machine side, insert the extension apron into the inner side of arm B from the bottom.
    2. Place the extension apron on top of the topmost bend in the arm (of the three bends in the arm) (A).


  3. While pushing the extension apron upward , temporarily tighten the two bolts on the bottom .


  4. While pushing the extension apron upward, fully tighten the top two bolts and the bottom two bolts , in this order.


  5. Insert the insulating materials for arms (right and left) into the space between the arm and the extension apron.

    Push the insulating materials all the way to the back.


    AP-640_InstallDannetsuzai2

  6. Temporarily attach the extension cover.
    1. Temporarily tighten two bolts to the lowermost screw holes in arm B.
      AP-640_InstallEXcoverBolts
    2. Hang the extension cover on the bolts to temporarily hold it in place.
      Do not fully tighten the bolts at this time.

      AP-640_InstallEXcover