Kelvin Hughes CTX-A9 'S' Band Radar User Manual Warnings

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Document ID	224148
Application ID	W6Uwdg2kWf/ddmPfrTvhFQ==
Document Description	Warnings
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	14.21kB (177590 bits)
Date Submitted	2002-02-01 00:00:00
Date Available	2002-03-29 00:00:00
Creation Date	2002-01-17 11:37:58
Producing Software	Acrobat Distiller 4.05 for Windows
Document Lastmod	2002-01-17 11:39:01
Document Title	Warnings

WORKSHOP MANUAL
TECHNICAL, INSTALLATION, COMMISSIONING
and
MAINTENANCE INFORMATION
for
Mk VII X-BAND TRANSCEIVER and ANTENNAS
PUBLICATION KH1251
Issue 1, May 2000
KELVIN HUGHES
Kelvin Hughes Ltd. is the Naval and Marine Division of Smiths Industries Aerospace
Registered Office: 765 Finchley Road, London NW11 8DS.
Incorporated in England No. 1030135
New North Road, Hainault, Ilford, Essex IG6 2UR, England
Telephone: 0208 500 1020
Telefax: 0208 559 8522
Telex: 896401
CONFORMITY STATEMENT
This equipment has been designed to comply with IMO regulations and IEC standards.
COPYRIGHT
ã
Copyright Kelvin Hughes Ltd. 2000
All rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, translated or stored
in any form or by any means, without the written
permission of Kelvin Hughes Limited.
Technical details contained in this publication are subject to
change without notice.
Page ii
Issue 1
CONTENTS
PRELIMINARY PAGES
Title Page
Contents (this page)
Health and Safety Notice Page
Emergency Resuscitation
Electrostatic Caution Page
Amendment Record Page
iii
iv
vi
vii
viii
CHAPTERS
Chapter 1 - General Description
Chapter 2 - Specification
Chapter 3 - Technical Introduction
Chapter 4 - Installation
Chapter 5 - Commissioning
Chapter 6 - Technical Description, including Unit Information for:
25 kW FET Modulator (CTX-A369/CTX-A345)
Tx Microcontroller PCB (CTX-A346)
Logarithmic Receiver PCB (CTX-A356)
Azimuth/Heading Line PCB (CAE-A106-2)
+26V Motor Starter PCB (CAE-A359)
Brushless Motor PCB (CAE-A236)
Chapter 7 - Maintenance
Chapter 8 - Parts
Annex A - Long Cable Runs
Issue 1
Page iii
IMPORTANT NOTICES
HEALTH AND SAFETY
All personnel are required to study these notices and familiarise themselves with all
applicable safety precautions and bring them to the attention of others in the vicinity.
HIGH VOLTAGE WARNING
CD-0845
LETHAL HIGH VOLTAGES ARE PRESENT IN THE TRANSCEIVER
A current of 100 mA passing through the human body for one second can kill. This can
occur at voltages as low as 35 Vac or 50 Vdc. Some equipment in the system uses
electrical power that can be lethal. Whenever practical, before carrying out installation,
maintenance or repair, personnel involved must:
(1)
Isolate the equipment from the electrical supply.
(2)
Make tests to verify that the isolation is complete.
(3)
Ensure that power cannot be accidentally reconnected.
DO NOT OPEN ANY OF THE UNITS WHEN THE RADAR IS OPERATIONAL UNLESS FULLY QUALIFIED TO DO SO.
If it is essential to work on the equipment with power connected, work must only be
undertaken by qualified personnel who are fully aware of the danger involved and who
have taken adequate safety precautions to avoid contact with dangerous voltages.
HEALTH HAZARD
CD-0844
This equipment contains materials which produce toxic fumes when ignited.
The inhalation of dust and fumes or any contact with lubricants when cleaning the
equipment may be temporarily harmful to health, depending on individual allergic
reactions. Components which are broken or overheated may release toxic fumes or dust and
must be treated with caution. Do not inhale the fumes and ensure that the dust and debris do not
enter open cuts or abrasions. It is prudent to regard all damaged components as being potentially
toxic, requiring careful handling and appropriate disposal.
Page iv
Issue 1
RADIATION HAZARD: NON-IONISING
AERIAL RADIATION HAZARD: INJURY CAN RESULT FROM EXPOSURE TO
THE MAIN BEAM OF A STATIONARY RADAR AERIAL. DO NOT STAND
LESS THAN 2m FROM THE CENTRAL FRONT FACE OF THE AERIAL.
It is accepted in most countries that no significant hazard is presented by radio frequency
mean power density levels up to 10mW/cm. RF power levels in excess of this may cause
harmful effects, particularly to the eyes.
Users of cardiac pacemakers should be aware that radio frequency transmissions, can
damage some such devices or cause irregularities in their operation. Persons using a
pacemaker should ascertain whether their device is likely to be affected before exposing
themselves to the risk of malfunction.
SAFETY ALOFT
AERIAL ROTATION: BEFORE MAINTENANCE TO THE TURNING
MECHANISM TAKES PLACE, DISABLE AERIAL ROTATION.
When working aloft, ensure that it is brought to the attention of someone in authority at
deck or at ground level and that suitably placed warning notices are posted warning that
work aloft is in progress. Ensure that the means of access aloft is secure and beware of wet or
slippery ladder rungs and working areas.
When working on or near a radar scanner and other moving or r.f. radiating equipment,
ensure that it is switched off and that the fuses have been removed and retained.
PERSONAL PROTECTION
10
Personal protection must be used whenever the possibility of an uncontrolled hazard
exists. For example, a suitable face visor, gloves and a body apron should be worn when
handling cathode ray tubes, as a precaution against injury in the event of breakage.
Issue 1
Page v
ELECTRIC SHOCK
RESUSCITATION
SHOUT FOR HELP. SWITCH
OFF ELECTRICITY IF POSSIBLE.
REMOVE FROM DANGER.
REMOVE OBVIOUS
OBSTRUCTION TO
BREATHING.
Do this immediately. If not possible, don't waste time Safeguard yourself when removing casualty from hazard. If casualty is not breathing start
resuscitation at once.
If casualty is still in contact with electricity, and the supply
searching for a switch.
cannot be isolated, stand on a dry non-conducting
material (rubber mat, wood, linoleum).
Use rubber gloves, dry clothing, length of dry rope or wood
to pull or push casualty away from the hazard.
LOOSEN NECKWARE
TILT HEAD BACKWARDS
AND PUSH CHIN UPWARDS
PINCH THE NOSE
COMMENCE VENTILATION
FOUR GOOD INFLATIONS
MOUTH TO MOUTH
IF CHEST DOES NOT RISE
RE-CHECK AIRWAY. REMOVE
OBSTRUCTION AND RE-INFLATE
CHECK PULSE
POSITION OF PULSE
PULSE PRESENT
PULSE ABSENT
HEART HAS STOPPED BEATING
LAY ON BACK ON FIRM SURFACE
eg FLOOR
COMMENCE EXTERNAL CHEST
COMPRESSION AND CONTINUE
MOUTH-TO-MOUTH VENTILATION
ONE FIRST AIDER
15 Compressions of 80 per
minute followed by two
inflations
CONTINUE INFLATIONS
UNTIL RECOVERY OF
NORMAL BREATHING
TWO FIRST AIDERS
One conducts chest
compressions, without pause
at 60 per minute. The other
administers mouth-to-mouth
ventilation - after each 5th
compression
WHEN NORMAL BREATHING COMMENCES
PLACE CASUALTY IN RECOVERY POSITION
Check heart beat after first five
minutes and then after every three
mintutes. Continue external chest
compression and mouth-to-mouth
ventilation until a normal pulse is
felt and colour improves
CONTINUE INFLATIONS
UNTIL RECOVERY OF
NORMAL BREATHING
Keep casualty at rest. Remove on a stretcher.
Watch closely, particularly for difficulty in
breathing. Lightly cover with blankets or other
materials.
MEDICAL ASSISTANCE MAY BE OBTAINED ON / AT...............................
CD-1265
Page vi
Issue 1
ATTENTION
OBSERVE PRECAUTIONS
FOR HANDLING
ELECTROSTATIC SENSITIVE
DEVICES
CAUTION
Handling of Electrostatic-Sensitive Semiconductor Devices
Certain semiconductor devices used in the equipment are liable to damage due to static
voltage. Observe the following precautions when handling these devices in their
unterminated state, or sub-units containing these devices:
(1) Persons removing sub-units from an equipment using these devices must
be earthed by a wrist strap and a resistor at the point provided on the equipment.
(2) Soldering irons used during the repair operations must be low voltage types
with earthed tips and isolated from the mains voltage by a double insulated
transformer.
(3)
Outer clothing worn must be unable to generate static charges.
(4) Printed Circuit Boards (PCBs) fitted with these devices must be stored and
transported in anti-static bags.
CD-1100
Issue 1
Page vii

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