Furuno GP-1650F, GP-1650DF 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 Table 13-1.

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.

Table 13-1 Recommended maintenance program

Item	Check point	Remedy
Antenna	Check for loosened and corroded	Tighten loosened bolts. Replace heavily corroded
	bolts.	bolts.
	Check connection point for
	watertightness.
Antenna cable	Check connector for tightness and	Replace damaged parts.
	corrosion.
	Check cables for damage.
Display unit	Check for tight connection.	Tighten loosened connectors.
connectors
Ground terminal	Check for tight connection and	Clean or replace as necessary.
	corrosion.
		Dust may be removed with a soft cloth. if
Display unit	Dust and foreign material on the	necessary anti-static cleaner may be used. Never
	display unit.	use chemical solvents to 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,
LCD	Dust and foreign material on the	wiping slowly with tissue paper so as to dissolve
	screen.	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.
	Check the transducer face yearly	Gently scrape off any marine life from the
Transducer	for marine life, which can reduce
		transducer with a piece of wood.
	sensitivity.

13-1