Fly jib ups and downs and telescopic operations:
1. Follow the fly jib installation steps to select the fly jib to the
working state (W) and fix it firmly.
2. Turn up the fly jib work switch of the operation console to fly
jib up-and-down mode. Push forward or pull back to operate the No. 3
handle, the fly jib realize of the operation console to the middle fly jib
telescopic mode. Push forward or pull back to operate the No. 3 handle,
the fly jib can be extended and retracted.
Fly jib storage operation:
1. Fully retract the fly jib.
2. Follow the fly jib removal steps to rotate the fly jibto the
stowed state (S) and fix it firmly.
Note: The fly jib and main boom work modes are interlocked.
When one mode works, the other mode does not work.
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