Description Of Equipment; Purpose; Function; Service Lift Models - Avanti SHARK L AECO Original Instructions Manual

5. Description of equipment

5.1 Purpose

The service lift purpose is to transport persons
plus their tools and equipment to the most con-
venient height for performing work in wind turbine
generators (WTG).
Its use is limited to authorized users.
The access to the WTG and consequently to the
service lift is controlled and forbidden to public
access.
The service lift is used primarily to transport
technicians, their tools and spare parts from the
bottom platform (or lowest accessible point) to the
top platform (or highest accessible point).
It is also used to access intermediate platforms
where inspection and service of WTG connecting
bolts and other equipment is made.

5.2 Function

The service lift uses a traction hoist to ascend and
descend a wire rope suspended from a beam
within the wind turbine along a defined travel path.
A fall arrest device is attached to the service lift and
ascends and descends with it on a second
suspended wire rope, called the safety wire rope.
Ascent and descent of the service lift is controlled
from within the service lift via a manual mode or
from outside the service lift in an automatic send
mode.
An overload limiter prevents ascent of the service
lift in the event of an overload of the traction hoist.
Two tensioned wire ropes act as guiding means
along the travel path of the service lift.
10 AVANTI Service Lift for Wind Turbines
AT00016288 Shark L AECO EN update.indd 10

5.3 Service lift models

This User's Manual and Installation Manual
describe the following models:
• SHARK L AECO sliding door with 533 Lbs
(240kg) lifting capacity, AECO control box,
traveling cable (optional) and slack rope sensor.

5.4 Temperature

Operating temperature
5ºF to +140ºF (-15ºC to +60ºC).
Survival temperature
-13ºF to +176ºF (-25ºC to +80ºC).
Low temperature kit is also available. Operational
temperature for low temperature kit
-13ºF to +104ºF (-25ºC to +40ºC).

5.5 Accessories

In order to fulfil the essential health and safety
requirements from the regulations the design of
the wind turbine and its components shall comple-
ment the safety systems supplied on the service
lift making the ensemble safe as a whole.
A detailed evaluation of compliance to the EHSR
and a risk assessment shall be completed. Avanti
shall verify the compliance to such requirements
prior to installation. Systems that may be consid-
ered to complement the service lifts are:
5.5.1 Fences & guards
The service lift hole must be adequately protected
to prevent people from falling or being injured by
the movement of the service lift. The fences and
guards design shall comply with the relevant
standards and local regulations.
5.5.2 Safety system for landing access doors
The service lift hole must be adequately protected
to prevent risk of falling. When the service lift is not
at the landing, access doors shall not be able to
open. Such function may be achieved by using
interlock systems on access doors linked to the
position of the service lift.
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