Furuno 1942 Manual De Usuario

This chapter tells you how to keep your radar
in good working order. Before reviewing this
chapter please read the safety information which
follows.

Hazardous voltages can shock, burn or cause death. 
Only qualified personnel totally famillier with electrical 

circuits should work inside the units.

The radar antenna emits high frequency 
radio radiation which can be harmful, 
particularly to your eyes. 

Never look directly into the antenna from a distance of 
less than two feet when the radar is in operation as 
you could injure the cornea of your eyes. Always 

make sure the radar is set to stand-by or is turned off 
before starting work on the antenna unit.

Regular maintenance is important for good per-
formance. Always keep the equipment as free
as possible from dirt, dust, and water splashes.
Make sure all screws securing the components
are properly tightened.

A maintenance program should be established
and should at least include the items listed in
table 5-1.

The fuse in the power cable protects the equip-
ment against reverse polarity or ship’s mains,
overcurrent, and equipment fault. If the fuse
blows, find the cause before replacing it. Never
use an incorrect fuse – serious damage to equip-
ment may result and void the warranty.

12 V:

10 A fuse

24/32 V: 5 A fuse

3 to 6
months

Exposed 
nuts and 
bolts on 
antenna unit

Check for corroded or loosened 
nuts and bolts. If necessary, 
clean and repaint them thickly. 
Replace them if heavily 
corroded.

Sealing compound may be used 
instead of paint. Apply a small 
amount of grease between nuts 
and bolts for easy removal in 
future.

Antenna 
radiator
(1932/1942)

Check for dirt and cracks on 
radiator surface. Thick dirt 
should be wiped off with soft 
cloth dampened with fresh 
water. If a crack is found, apply a 
slight amount of sealing 
compound or adhesive as a 
temporary remedy, then call for 

Do not use plastic solvent 
(acetone) for cleaning. If you 
need to remove ice from 
antenna unit, use a wooden 
hammer or plastic head 
hammer. Crack on the unit may 
cause water ingress, causing 
serious damages to internal 

Radome 
cover
(1832)

Check for wear. Permanent 
damage to the antenna's internal 
circuitry will result if water leaks 
into the radome.

If a crack is found it should be 
temporarily repaired by using a 
small amount of sealing 
compound or adhesive. You 
should then contact your dealer 
for service.

6 months 
to 1 year

Display unit
connectors

Check for tight connection and 
corrosion.

If corroded, contact your dealer 
for replacement.