•
Hold down the metal lever arm to take up the force of the spring.
•
Push the HRU back then upwards out of the slot in the lever arm.
•
When the rear clip disengages slowly release the lever arm.
•
The HRU with its breakable rod can now be lifted free and replaced.
•
Using pliers, remove the rear E-clip and slide off the old HRU.
•
Fit he new HRU over the new rod, with its label facing outward.
•
Refit the washer and the rear E-clip. ensure rod moves freely.
•
Mark the HRU with an expiry date 2 years into the future.
•
Slide the HRU into the slot in the lever arm and push lever arm down.
•
Look under the spring and check that the washer is fully engaged.
•
Slide EPIRB into D-shaped foot on lever arm, switches outermost.
•
Refit cover by engaging hole over rod and then snapping into place.
•
Refit R-clip through top of rod.
•
On side of cover, remove old HRU expiry date and mark new date.
10.3. Battery replacement
The EPIRB uses a 9V Lithium battery pack, McMurdo type 82-140. Typically this will have
expiry date has been reached
or
ency situation
or
to be replaced every 5 years. The exact battery expiry date is marked on the rear of the EPIRB
lens dome and if you have a full enclosure it is also marked on the outside of the enclosure.
The battery expiry date should be checked regularly. You will need to replace the battery
when:
•
The
•
The EPIRB has been used in an emerg
•
A false activation exceeds 2 hours of use.
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