Commercial in confidence 85-909
PLB service manual Issue 4 Page 2
1.3. Servicing equipment
All agents are obliged to possess specialised equipment to ensure that PLBs are serviced
correctly. A message reader (ARG5410 or equivalent) is mandatory.
Equipment:
Message reader
PLB programming kit (FPROG – McMurdo P/N 85-923/924)
Thermometer (required for leak testing)
Hand tools:
Antenna rewind key (McMurdo P/N 85-753)
Flat blade torque screwdriver
Posidrive #1 torque screwdriver
NOTE: A 121.5 MHz monitor should be available (as a general surveillance instrument for all
product servicing). This will detect the homing transmission and raise an alarm if the PLB is
accidentally activated outside the screened enclosure.
1.4. Safety notices
Please read the following information for your safety:
This product has been assessed as presenting negligible hazard in a sealed serviceable
state.
Safety analysis
The following table summarises the nature of the hazard which may be present when the unit
is opened or serviced; each hazard is discussed at greater length in the detailed sections.
Hazard cause Hazard identification Precautions
Lithium battery Explosive risk, corrosive fumes,
fire, biological hazard
Handle appropriately, avoid
contact
Radio frequency
radiation
Physiological hazard Avoid close or prolonged
exposure. Do not touch the
antenna during 406MHz
transmissions
Adhesives Skin irritation, fumes Avoid contact, ventilate well
IPA (propanol) Irritation, highly flammable Avoid contact, ventilate well
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