29
A4.4 De-Rigging
A
4.4.1 Secondary wire rope
(1) Lower the platform until it almost reaches its safe and
stable support. Leave the primary wire rope tensioned
so that the release lever (e3) of BS/BSO secondary
brake is still upright.
(2) Remove the tensioning weight (s1).
(3) If
release lever
(e3) is not held in its
open
position
by the tensioned primary wire rope, hold it in its open
position by using brake release lever (c4) according
to Fig. 45 to ease operation.
(4) With gloved hands pull out the secondary wire
rope.
A4.4.2 Primary wire rope
(1) Lower the platform to a safe and stable support until
each tirak
™
hoist is unloaded.
(2) Remove the loop at the free wire rope end.
(3) Press DOWN button to let the wire rope run out.
As soon as the suspension wire rope is not under
load, hold
release lever
(e3) of BS/BSO secondary
brake in its open position by using brake release lever
(c4) according to Fig. 45 to ease operation.
(4) With gloved hands slowly pull the primary wire rope
through BS/BSO secondary brake.
A4.4.3 Wire Rope Storage
Clean the wire ropes,
reel
them (Fig. 48), and store them
in a clean and dry place.
Figure 48 Wire Rope Handling
A5.1 GENERAL
(1) BE FAMILIAR with the equipment and its proper
care.
DO NOT operate hoist, if adjustment or repairs are
necessary, if any warning, operating or capacity
instructions normally attached to the hoist are ob-
scured, damaged, or missing. (See labels’ list on
page 34).
REPORT same promptly to your supervisor and also
notify next operator, when changing shifts.
(2) WA R N I N G : S A F E T Y D E M A N D S
THAT YOU TEST OUT THE SYSTEM
BEFORE GOING ALOFT:
a) CHECK
PLATFORM
fully rigged and loaded by
cycling UP and DOWN several times near ground
level or safe surface.
b) CHECK
PRIMARY BRAKE
for mechanical func-
tion: When stopping the hoist the load must be
held immediately.
c) CHECK
BS/BSO SECONDARY BRAKE
:
I
At ground level push DOWN button to get slack
primary wire rope – release lever (e3) tilts to
Figure 49
BS/BSO Secondary Brake
Check I
the side to close BS/BSO secondary brake for
the secondary wire rope (Fig. 49).
With gloved hands try to pull the secondary
wire rope upwards: it
must be impossible
.
A5. Operating Instructions
Secondary
wire rope
Slack primary
wire rope
e3
