
D4™ Rope adjustment device.
General
Responsibility
Compatibility
Always ensure that all components within
a safety system are compatible and allow
the system to function safely.
Use Inspection
Use Requirements
Testing
All testing for this device at ISC and the
EN1891 approved ropes Ø10.5mm -
11.5mm rope. Suitable for rescue loads
up to 240kg.
Modifications, repair
Figure 1 –Installation
Figure 3 –Operational check
Use
To control the device in descent, your left
hand is used to position the handle, and
your right hand is used on the trailing
length of rope to give you extra security
and fine adjustments of speed control. If
in the situation that you pull the handle
too far the device will STOP. To RESET
the device rotate the handle clockwise, in
the direction of the arrows. This will
allow you to continue to DESCEND. All
rope adjustment devices create heat
when travelling along rope at speed,
which can cause damage to the rope.
Always check the rope for damage as well
as the device.
Storage & Transportation
The product should be stored in a clean,
dry environment away from exposure to
UV, corrosive or chemical substances or
extreme heat sources. Care should be
taken to protect the product against
damage during transportation.
Product Inspection & Maintenance
In addition to the visual inspections (see
Inspection) a thorough examination
should be carried out by a competent
person in line with applicable legislation
withdrawn from use and not used again
until confirmed in writing by a competent
person that it is safe to do so, should any
doubt arise about its condition for safe
use or, if it has been used to arrest a fall.
The
potential lifetime of ISC products is up to 10
years for plastic or textile products, and indefi-
nite for metal products. The actual lifetime of a
product depends on a variety of factors such
as, the intensity of use, the frequency of use,
the environment in which it has been used, the
competency of the user, and how well it has
been maintained and stored etc.
Cleaning
The product must be cleaned regularly
(or after every use in a marine
environment) with a mild detergent.
Afterwards the product should be rinsed
in clean water and allowed to dry
naturally. Alternatively an air gun can be
used to clear debris from device. Moving
parts may be oiled regularly with a light
oil such as 3-in-1.
Manufacturers’ responsibility
Approvals –Declaration of Conformity
The D4™ rope adjustment device is man-
ufactured by ISC Llandygai Ind Est., Ban-
gor, Gwynedd. LL57 4YH and has been
tested and approved by SATRA Tech-
nology Centre, Wyndham Way, Telford
Way, Kettering. NN16 8SD., notified
body number 0321, in accordance
with EN12841:2006 with a maximum rat-
ed load of 240kg and is subject to the
procedures set out in Article 11b of Di-
rective 89/686/EEC under the supervi-
sion of SGS UK Ltd., Unit 202b, Worle
Parkway, Weston-super-mare. BS22
6WA., notified body number 0120.
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RP880 series RP880UIM :Issue D: Sept 2015