Furuno GP-1850F, GP-1850DF 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 necessary
Display unit	Dust and foreign material on the	anti-static cleaner may be used. Never use chemical
	display unit.	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
	Dust and foreign material on the	salt deposits, use an LCD cleaner, wiping slowly
LCD		with tissue paper so as to dissolve the dirt or salt.
	screen.
		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
Transducer	for marine life, which can reduce
		with a piece of wood.
	sensitivity.

13-1