ATD ArboTeamDevice
21
Figure 12
Caution:
It is forbidden to use the stopper as a brake
During the lowering the stopper must be open
No one, including the ground operator, may remain in the lowering and rope manoeuvres
zone
!
Advice for use
If the piece needs to be lifted again (stuck
piece, wrong descent corridor between the
branches, etc) proceed blocking the stopper (lever down) and repeat the procedure from
step D.
If an overlap occurs on the rope on the aluminium cylinder brake :
•
lock the stopper, untangle the rope, rearrange the rope turns around the aluminium
cylinder brake
and only then, holding the rope firmly, proceed
again with the lowering
by opening again the stopper .
5.3. Using the
aluminium cylinder brake
The aluminium cylinder brake can be used with or without the aid of the stopper.