Maeda MC815C, Operation Manual, Page: 380 / 426

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14. Loosen the lever block (23) attached to the No.1 fly jib (2)
and the fly jib base (4) to remove the linchpins of the
position pins (C1, C2) attached to the hole on the right
section of the fly jib mounting bracket (26), and pull out the
position pins (C1, C2).
After pulling out the position pins (C1, C2), remove the lever
block (23).
NOTES
Stow the position pins (C1, C2) you have just pulled out later.
15. Slide the fly jib horizontally while holding the handle (H4)
of the fly jib base (4) to separate it from the right section of
the fly jib mounting bracket (26).
16. Insert the position pins (C1, C2) to the right section of the
fly jib mounting bracket (26). When doing so, be sure to
turn the ring of the linchpin back to lock it securely.
17. Hold the handle (H3) of the fly jib (5) and pull it to the tip
side.