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Screw
Battery leads
(under vinyl boot)
S
crew
Battery
Batte
ry
J3
2.4 Replacing Batteries
Every four years, the back-up batteries (2 pcs.) in the DCU must be replaced with new ones
(Type: OP24-12 Code no.: 004-385-010) by a qualified service engineer. Note that the batteries
should be recycled. Contact a FURUNO dealer for further details.
Observe the following precautions with the batteries:
WARNING
Battery handing precautions
- Do not attempt to dismantle the battery. If
accidental skin/eye contact is made with
the battery fluid, wash the affected
area/part immediately with liberal amounts
of clean fresh water and seek IMMEDIATE
medical attention.
- DO NOT INCINERATE batteries as they
are liable to rupture if placed into a fire.
Batteries that have reached the end of
their service life must be disposed of in
accordance with appropriate regulations.
- Do not short battery terminals. Short can
lead to bursting or fire.
Do not:
- use batteries of different capacities
- mix old batteries with new
- mix batteries of different makes
Batteries themselves may become
damaged or damage to electrical
parts may result.
CAUTION
To replace the batteries, do the
following:
1. Open the DCU door with its key.
2. Power off the DCU.
3. Unfasten J3 connector from the
PDU Board (24P0083)
4. Unfasten two screws securing the
batteries.
5. Disconnect four battery leads,
which are covered with the “vinyl
boots”.
6. Use the handle to remove
batteries from the DCU.
7. Replace batteries.
8. Lock the DCU.
DCU, inside view