Specifications

24
!
!
AVANTI Service Lift for Wind Turbines
A maintenance is required and necessary:
• Toavoidprematurewear
• Toprolongthelifetimeofthemachine
• Tomaintainthelevelofsafetywhichtheservice
lift was designed and manufactured to.
6.1 Maintenance planning
Time (Performance) Component
Daily (Supervisor) Cabin visual inspection
Safety circuit Electrical cable
Annually (Expert) Electrical cable
Annually (Expert) Gear box, centrifugal brake,
motor brake, pinions, ladder
rack
Annually Torques assurance, overload
Perform the inspections filling in the “Inspec-
tion checklist” and the “Operation log sheet”.
6.2 Cautions
Before any maintenance task, ensure that walking
way surfaces are dry and not slippery.
During maintenance tasks, personnel shall:
• Wear at least the following PPE: fall arrest
equipment (when falling height is more than 2
m), hand gloves, helmet, safety glasses and
working gear.
• Place cabin at bottom platform and disconnect
power supply.
• Use an electricity measuring tool when
performing inspection of electrical components.
• Use a hand winch attachable to the ladder when
handling big/ heavy loads and shall be
performed at least by 2 persons.
• Panel parts shall be removed to facilitate access
to confined spaces.
• Guiding rollers shall be replaced one by one.
• Use a cable grip when replacing travelling cable.
• Keep service lift doors closed when using a
3-step ladder.
Only AVANTI or qualified personnel authorised by
AVANTI shall perform electrical installation tasks.
6.3 Daily inspection by the supervisor
6.3.1 Travel zone:
1. Ensure that there are no obstacles within the
service lift’s travel zone which may obstruct the
travel of the cabin or hit the cabin.
2. Ensure that the ladder rack is solidly and safely
fixed.
6.3.2 Visual inspection:
1. Check that the service lift components are
mounted in accordance with the specifications and
without any noticeable defects or missing compo-
nents.
2. Check that the traction system (ladder rack &
pinion) is not damaged or jammed.
3. Check that the guided system is not damaged or
jammed.
4. Check that the two motor groups are in good
conditions and not damaged.
6.3.3 Functional inspection:
Check that the safeties are in place and working.
6.3.3.1 PLATFORM CONTROL BOX:
1. Main switch ON/OFF: Turn the ON/OFF electric
isolator on the bottom platform control box to the
OFF position. The green light shall be OFF. The
service lift shall not run. Turn it ON; the green light
shall be ON.
6. Maintenance
Before any maintenance operation
check that the service lift is out of service.
If any faults occur during work,
- Stop working,
- If required secure the workplace and
- Rectify the fault!
Make sure that nobody is exposed to
danger below the service lift, for instance
from falling parts.
Inspection may only be performed by AVANTI
or competent person certified and authorised
by AVANTI.
STOP
STOP
STOP