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 126 of 240
S-band Antenna removal
Caution: All safety precautions regarding the lifting and handling of antennas noted in this section
must be read, fully understood and observed.
The Kelvin Hughes LPA-A3 and LPA-A3-BAAA S-band low profile antennas are supplied with a set of
lifting straps which must be used for lifting the antenna. These straps are individually marked with the
[hn_hh[m m_lc[f hog\_l [h^ gomn \_ retained with the equipment for possible future maintenance
work.
Prior to use, the straps must be fully checked for any signs cuts, abrasions and signs of chemical
damage. If there is any evidence of damage the lifting straps must not be used and should be
replaced.
Replacement lifting strap can be order from kelvin Hughes by quoting part number LPA-1052 (two
required) and the serial number of the antenna.
Caution: Lifting straps maximum weight
The lifting straps supplied with S-band low profile antennas have a maximum weight limit of 200Kg.
They must only be used for lifting the LPAqA3 or LPA-A3-BAAA antennas and are not designed for
lifting of any other equipment.
Tools: In addition to the normal tools required for installation and service work the
following tools will be required to remove and re-install the S-band LPA onto the
transceiver/ gearbox.
1.5mm and 8.0mm hex/ Allen key
10mm socket set (recommended)
±1°
CL ASS H13
CL ASS 6 g
C LASS 6 H
BS 36 43
SMITHS INDUSTRIES PUBLIC LI MITED COMPANY. IT ISTO BE TREATED AS CONFIDENTIAL
C KELVIN HUGHESLIMITED
THEPREVIOU SCONSENT OF KELVIN HU GH ES LTD.TO WHOMITMUSTBERETURNED
ANDMA YNOT BEREPRODUCED ORUSED ORDISCLOSEDTO THI RD PARTIESWI THOUT
THIS DOCUME NT IS THE PROPERTY OF KELV IN HUGHES LTD.A SUB SIDI ARY OF
ANG UL AR
NO DECIM AL PL ACE ± 1.0
ONE DE CIMAL P LA CE ± 0.5
TW OD ECIM AL P LAC E S ±0.15
DIM ENSIO NAL
TO B S 4500
HOL ES
EX TE R NAL
INTERNA L
COAR S E PITC H
SCREW TH REA DS
DRAWING PRACT ICE TO BS 308
PROJECTION
THIRD ANGLE
SIG.DATEISSISS D ATE
USED ON
DRAWN
CODE No
FINISH
MATERIAL
TITLE
M/C SCALE
CODE No.
SIMILAR TO
ISS SIG.
NRDDR04581
NRD
2004
LPA-1097
NTS
LPA RECOMMENDED
LIFTING TECHNIQUE
LPA-1097
SHEET 1 OF 1 A3
DO NOT SCALE
NOTES
1.ANTENNA WEIGHT = 70 Kg
2.ENSURE LIFTING STRAPS CAN NOT FREE
RUN THRO' LIFTING HOOK.
3.ENSURE THAT LIFTING STRAP CAN NOT
RUN FREE THRO' LIFTING STRAPS LPA-1052
SEE NOTE 2
LPA-1052
SEE NOTE 3
IN 2 POS'NS