Furuno VR-7000 Operator's Manual page 30

2. MAINTENANCE
• Do not use force to reattach the capsule and bracket cover. Also, confirm that there is no space
or foreign material between the storage module and docking module (see figure below). If the
capsule is not seated in the bracket correctly, the communication error occurs on the remote
alarm panel after 10 minutes and the capsule may transmit the signal because that the elec-
trodes are shorted by water.
OK
• Confirm that the error related to the Float-free DRU does not occur after the maintenance.
• The flash lamp flashes at three second intervals when the capsule is transmitting the signal. If,
during maintenance, the signal is accidentally transmitted, dry the electrodes of the capsule with
a towel, then return it to the bracket. If the signal is still being transmitted, take the capsule to a
steel cabin. Then, inform the search and rescue authorities of the accidental transmission.
Note: The Float-free DRU does not have a power switch. If the flash lamp continues flashing in
spite of the above measures, remove the internal battery from the capsule.
Maintenance point and self test
Around the Confirm that there is no object or structure which can interrupt the release
bracket of the capsule.
Confirm that the cable connected to the bracket is fixed correctly.
Confirm that the bracket is fixed to the mounting location and fixing bolts
are fastened firmly.
Appearance Confirm that the bracket is not damaged and the characters inscribed on
of the bracket the bracket are readable.
Confirm that no paint is applied to the bracket.
Inside the Confirm that water has not entered into the bracket.
bracket
Confirm that there is no damage to the capsule, and all external parts
(stickers, etc.) are in place.
The expiration date for the battery and hydrostatic release unit is as fol-
lows:
• Battery: Five years (from date of coding or replacement)
• Hydrostatic release unit: Two years (from date of coding or replacement)
The expiration date is indicated on the sticker attached to the capsule and
hydrostatic release unit. Confirm that the expiration date has not passed.
The notch on the
docking module is
placed in the groove
of the storage module.
No space or foreign
material between the
storage module and
docking module.
Maintenance point
21
WRONG
The notch on the
docking module is
not placed in the
groove of the
storage module.
There is space
between the
storage module and
docking module.
Result