User's Manual

SBS-900 Shore Based Radar Systems
Chapter 10: Corrective maintenance
KH-1602-2 issue 1: Standard SBS900 Systems Operator & Maintenance Handbook
Page 124 of 240
10.2.4 Antenna removal
The Low Profile Antenna will need to be removed and temporarily stored for some maintenance tasks.
The lifting procedures are listed below.
Where an antenna is to lifted, all safety and lifting requirements noted in below must be read,
understood and fully observed.
WARNING: Antennas are heavy items and must be lifted using suitable lifting
equipment, a secured block and tackle or by rope strops.
CAUTION: During removal and installation, the antenna must be secured and supported
at all times to prevent any risk of falling or slipping.
Antennas must never be left unsupported on the swing casting.
' All health and safety requirements must be checked and observed at all times when lifting any
equipment. All appropriate personal protective equipment (PPE) must be worn.
' Where special equipment such as cranes hoists and jigs is required, consideration must be given
to the authority to use such equipment.
' During lifting, a safety zone shall be established beneath the lifting area around any cranes or
platforms. Safety personnel must ensure that persons do not encroach on the area of work.
' Consult with the lifting operator to obtain the best and safest method of securing lifting strops or
ropes to the equipment and advise lifting operators of the areas of a system that are susceptible to
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' Check that the centre of gravity of the equipment cannot cause the lifting strops or ropes to slip or
move.
' All straps, lifting cables or ropes must be thoroughly checked to ensure that there is no risk of the
unit slipping or falling from the lifting strap or lifting equipment.
' If lifting a transmitter/ gearbox with the antenna pre-assembled, the lifting equipment, ropes or
straps must not place any pressure on any part of the antenna or the swing casting.
' Kelvin Hughes cannot be held responsible for any damage that occurs to supplied or 3
rd
party
equipment as a result of incorrect lifting procedures or handling or equipment.