Furuno GP-1850WF, GP-1850WDF Maintenance & Troubleshooting, 13-1, Recommended maintenance program

13.MAINTENANCE & TROUBLESHOOTING

13.1 Maintenance

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

WARNING

Do not open the equipment.

Hazardous voltage which can cause electrical shock, burn or serious injury exists inside the equipment. Only qualified personnel should work inside the equipment.

Recommended maintenance program

Item	Check point	Remedy
Antenna	Check for loosened and corroded bolts.	Tighten loosened bolts. Replace
		heavily corroded bolts.
	Check connection point for
	watertightness.
Antenna cable		Replace damaged pats.
	Check connector for tightness and
	corrosion.
	Check cables for damage.
Display unit connectors	Check for tight connection.	Tighten loosened connectors.
Ground terminal	Check for tight connection and corrosion.	Clean or replace as necessary.
		Dust may be removed with a soft cloth,
	Dust and foreign material on the display	if necessary anti-static cleaner may be
Display unit		used. Never use chemical solvents to
	unit.	clean the display; they can remove
		paint and markings.
		Wipe the LCD carefully to prevent
		scratching, using tissue paper and an
		LCD cleaner. To remove dirt or salt
		deposits, use an LCD cleaner, wiping
LCD	Dust and foreign material on the screen.	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 solvents
		such as thinner, acetone or benzene
		for cleaning.
Transducer	Check the transducer face yearly for
	marine life, which can reduce sensitivity.

13-1