Harken R27LS, Instruction Manual, Page: 15 / 86

26/01/22 ENGLISH 15
PREREQUISITES AND LIMITATIONS
The R27LS rail has been designed to support any accidental operator fall. In order to guarantee its correct
operation, and maintain the mechanical integrity in case of fall, each user must wear the Personal Protective
Equipment (PPE) recommended by workplace safety regulations.
All PPE must be certified and marked according to the relevant national regulations. By using the personal
protective equipment, in case of a fall, the force transmitted to the operator (and consequently to the trolley
sliding on the rail) will be maximum 6 kN .
Personal Fall-arrest systems used with this equipment must meet controlling regulations for the country of use.
Fall clearance - There must be sufficient clearance below the user to arrest a fall before the user strikes the
ground or other obstruction and it consists of the stopping distance plus the free space of 1m under the feet of
the user. See appropriate documentation published by regulatory authority.
WARNING!
The use of non-compliant PPE can result in severe injuries, including death.
Fall clearance
Stopping distance
1 m
WRONG CORRECT
WARNING!
It is essential for safety to verify the fall clearance required beneath the user at the workplace before
each occasion of use, so that in the case of a fall there will be no collision with the ground or other
obstacle in the fall path.
WARNING!
To avoid personal injury, the Harken trolleys must be used with a full body safety harness (EN361
certified) equipped with a front attachment point for fall arrest and the full body harness is the only
acceptable body holding device that can be used in a fall arrest system. For applications from 0°
to 74° an energy absorber (EN355 certified) and possibly a lanyard (EN354 certified) must also
be used, and the absorber-lanyard system must have a maximum length of 2 meters. The energy
absorber and lanyard must also meet the fall protection standards as required by the local regulato-
ry authority of the country of use. Connectors (hooks, carabiners and D-rings EN362 certified) must
be capable of supporting at least 22kN (5000 lb). For applications from 75° to 90° with respect to
the horizontal, connect the INCAR-360 trolley directly to the front attachment point of the operator's
fall arrest harness using only the connector on the trolley.