8
Operation of the HB boom
➀ Remove the transport safety wire (
*
) and unfold the intermediate
part. Fold arm down to tighten wire.
➁ Lift spring-loaded lock.
➂ Turn the lock 90°.
√ Lock the intermediate and central parts.
➄ Unfold outer section. Fold arm down to
tighten wire.
≈ For 16 and 18 metre unfold
breakaway ensuring the locks
click into place.
CAUTION: The breakaways must be correctly tensioned and lubri-
cated. (see section on Re-adjustment of the boom)
To fold the order is A - B - C - D - E - F. Remember to reattach safety
wire at transport bracket around boom.
*
HB
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