Furuno FS-1562-25, FS-1562-15 manual Maintenance

4.5 Maintenance

This radiotelephone equipment is designed and manufactured to provide years of intended performance. For this, a regular maintenance program should be established and should at least include the items listed in below:

Item	Check Point	Remedy/Remarks
Whip antenna	Check for physical damage, corrosion and	Replace damaged parts.
	water leakage
Wire antenna	Check that antenna is properly spanned	If necessary, re-span the
	and separated sufficiently apart from	antenna.
	metallic structures.
Insulators for	Check for salt water accumulation on	Replace damaged insulators.
antenna	insulators.	Remove salt water deposits.
installation		Clean with fresh water, then dry.
	Check that connection at lead-in insulator	Remove rust, then tighten bolts
	is tight and rust-free.	and lock nuts. Cover metallic
		surface with sealing compound.
Antenna coupler	Check contact at	Tighten loosened connections.
	* Antenna terminal
	* Ground connection
	* Coaxial cable
	* Control cable(terminal board)
	Check that coupler lid and cable glands	Fasten lid firmly and evenly to
	are firmly secured.	prevent water leakage.
	Check for physical damage, corrosion and	Replace if damaged.
	salt water deposits.
Transceiver	Check contact at	Tighten loosened connections;
	* Antenna cable	remove foreign material from
	* Ground connection	connectors.
	* Power cable
	* Control cable
	Confirm that there are no objects on the
	top of the cabinet.	Remove objects to prevent
		overheating.
Power Amp	Check contact at	Tighten loosened connections;
Unit (PA-2500)	* Coaxial cable	remove foreign material from
	* Antenna cable	connectors.
(for 250 W set)	* Power cable
	Confirm that there are no objects on the
	top of the cabinet.	Remove objects to prevent
		overheating.
Power supply	Check that supply voltage at transmission	If not within the range, call for
	is within the rated range. (21.6 to 31.2	service, Low voltage may cause
	VDC at the power connector)	erratic operation.

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