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The wire ropes (ordered separately) are supplied
on a reel with safety hook at one end (item A,
fig.16) or with a sleeved and thimbled end (item
B, fig. 16) on request.
• The dimensions (in mm) of the Blocstop™ BSA
fall arrest devices are as follows:
Series
BSA 15
Fig.
no 11
a.
161
b.
91
c.
34
d.
14
e.
19
f.
100 ± 3
g.
173
h.
146
i.
20
j.
106,5
k.
287
o.
75
o'.
-
p.
40
q.
27
Ør
64
Øs
12,2
t
42,5
Table 2
5. Installation
5.1) Installation of fall arrest devices
IMPORTANT: The anchoring point of the
safety wire rope and the fittings used to secure
the fall arrest device must ensure a tensile
strength at least 4 times that of the nominal
capacity of the Blocstop™ BSA fall arrest device.
This is indispensable to ensure the mechanical
strength of the installation should a fall occur.
Before you begin to install the fall arrest device,
check that the unit is in good visible condition
and, in particular that:
– there are no signs of impact or deformation on
the fall arrest device,
BSA 20
BSA 35
no 12
no 13
203
290
121
140
37
53
25
28
29
22
100 ± 3
200 ± 5
222
313
179
270
19,5
22
157,5
222
345
395
75
90
-
75
40
40
27
27
64
64
12,2
22,2
55
60
– the lever (item 2, fig. 1) swivels freely on its
swivel pin (item 8, fig. 1),
– when locked, the lever is positioned as shown
in fig. 6,
– the marking on the device is legible and
compliant with the information in the "markings"
section for the unit,
– holes A and B (fig. 1) are not soiled or
obstructed,
– the roller (item 4) turns freely on its pin and
does not show any signs of damage which
could deteriorate the lifting wire rope.
Proceed as follows to install the fall arrest device:
– the unit must be oriented vertically as shown in
fig. 1 with roller (item 4) upward and mounting
holes (item 7) downward,
– secure the fall arrest device to the suspended
platform using the two anchor holes (item 7,
fig. 1) to obtain a distance (f) between the
safety wire rope (item 5, fig. 1) and the lifting
wire rope (item 6, fig. 1) as indicated in table
5 of §4.
IMPORTANT: For correct operation of the
fall arrest device, the distance (f) between the
safety wire rope and the lifting wire rope must be
strictly observed. This dimension is essential to
correct operation of the fall arrest device.
DANGER: The construction on which the
fall arrest device is mounted must have a rigid
link with the suspended platform (fig. 14).
DANGER: It is prohibited to install the fall
arrest device on a mobile stirrup (fig. 15).
– For attachment, use the screws supplied with
the fall arrest device. If these are not suitable
for the installation configuration, use the
following screws:
• BSA 15 and BSA 20: 2 screws M12x...
class 8.8 min. with locknuts.
• BSA 35: 2 screws M22x... class 8.8 min.,
with locknuts.
– tighten the two mounting screws in accordance
with the trade practices for bolted assemblies.
5.2) Preparation of wire ropes
IMPORTANT: Before installing the lifting
wire rope in the fall arrest device on the
detection roller (item 4, fig. 1), check that
the wire rope is installed in compliance with
EN
7
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