Periodic Maintenance Schedule - Furuno FAR-2228-NXT Operator's Manual

6. MAINTENANCE, TROUBLESHOOTING
6.1

Periodic Maintenance Schedule

Regular maintenance is essential to good performance. A regular maintenance pro-
gram should be established and should at least include the items in the table below.
Interval Check Point
As The LCD will in time
required accumulate a layer of
dust which tends to
dim the picture
Processor unit cleanli-
ness
3 to 6 Exposed nuts and
months bolts on antenna unit
Antenna radiator
Terminal strips and
plugs in antenna unit
(TECHNICIANS only)
Adhesive (marine
sealant) on nuts and
bolts
6 Terminal strips, sock-
months ets, earth terminal on
to one processor unit
year (TECHNICIANS only)
6-2
Checks and measures
Check that dust or dirt is not
on the display. Wipe it care-
fully to prevent scratching.
For difficult to remove dirt or
salt deposits, use a cloth
made wet with water and
neutral detergent (less than
1% detergent). Squeeze the
cloth dry then clean the dis-
play. When the display is
clean, gently wipe the dis-
play with a clean, soft, dry
cloth, to prevent scratching.
Dust and dirt may be re-
moved with a soft cloth.
Check for corroded or loos-
ened nuts and bolts. If nec-
essary, clean and repaint
them thickly.
Replace if heavily corroded.
Check for dirt and cracks on
radiator surface. Thick dirt
should be wiped off with soft
cloth dampened with fresh
water. If a crack is found,
apply a slight amount of
sealing compound or adhe-
sive as a temporary remedy,
then call for repair.
Open antenna cover to
check terminal strip and
plug connections inside.
Also check the rubber gas-
ket of antenna covers for
deterioration.
Check for deteriorations
such as splits and peeling.
Re-apply as required. For
areas with extensive deteri-
oration, remove the existing
adhesive before re-applying
a fresh coat.
Check for loose connec-
tions. Check contacts and
plugs for proper seating,
etc.
Remarks
Do not use chemical-based
cleaners to clean the processor
unit. They can remove paint and
markings.
Sealing compound can be used
instead of paint. Apply a small
amount of grease between nuts
and bolts for easy removal in fu-
ture.
Do not use chemical-based
cleaners for cleaning. They can
remove paint and markings. If
you need to remove ice from the
antenna unit, use a wooden or
plastic head hammer. Cracks on
the unit may cause water in-
gress, causing serious damages
to internal circuits.
When closing antenna covers in
position, be careful not to catch
loose wires between covers and
unit.
Adhesive deterioration can result
in water leakage, which can
cause corrosion.