Furuno 1715 MAINTENANCE, Troubleshooting, Maintenance program, Period Check point Action

2. MAINTENANCE, TROUBLESHOOTING

WARNING

ELECTRICAL SHOCK HAZARD

Do not open the equipment.

Only qualified personnel should work inside the equipment.

2.1 Maintenance

Regular maintenance is important for good performance. A maintenance program should be established and should at least include the items listed in the table below.

Maintenance program

Period	Item	Check point	Action
	Fixing bolts for	Check for corrosion and if	Replace corroded bolts. Coat new
	antenna unit	tightly fastened.	bolts with anticorrosive sealant.
	Antenna unit	Check for foreign material on	Clean the antenna unit with a
	cleanliness	the antenna unit. (Foreign	freshwater-moistened cloth.
		material on the antenna unit	Alcohol may be used. Do not use
		can cause a considerable drop	commercial cleaners to clean the
		in sensitivity.)	antenna unit; they can remove
			paint and markings or deform the
			equipment.
	Antenna unit	Check for cracks. Permanent	If a crack is found, it should be
	cover	damage to the unit’s circuitry	temporarily repaired by using a
		will result if water leaks inside.	small amount of sealing compound
3 to 6			or adhesive. The unit should then
			be brought to your dealer for
months
			permanent repairs.
	Display unit	The display case and LCD will,	Wipe the LCD carefully to prevent
	case, LCD	in time, accumulate a coating	scratching, using tissue paper and
		of dust, and dust on the LCD	an LCD cleaner. To remove dirt or
		tends to dim the picture.	salt deposits, use an LCD cleaner,
			wiping slowly with tissue paper so
			as to dissolve the dirt or salt.
			Change paper frequently so the
			salt or dirt will not scratch the LCD.
			Do not use commercial cleaners to
			clean the display unit; they can
			remove paint and markings or
			deform the equipment.
6 months	Display unit	Check for tight connection and	If corroded, ask your dealer about
to 1 year	connectors	corrosion.	replacement.

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