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7. MAINTENANCE, TROUBLESHOOTING
7-2
7.2.2 Replacement of the fuse
The fuse on the power cable protects the equipment from reverse polarity of the
ship’s mains and equipment fault. If the fuse blows, find out the cause before
replacing it. Use the correct fuse. Using the wrong fuse will damage the
equipment and void the warranty.
M1823C-BB, M1833C-BB: 7 A for 12 V device, 3 A for 24 V device
M1933C-BB, M1943C-BB: 15 A for 12 V device, 7 A for 24 V device
M1953C-BB: 3 A for 12/24 V device
GD-1900C-BB: 3 A for 12/24 V device
CAUTION
Use the proper fuse.
Use of a wrong fuse can cause fire or
damage the equipment.
7.2.3 Replacement of the magnetron
When the magnetron has expired, distant targets cannot be seen on the display.
When you feel that long range performance has decreased, contact a FURUNO
agent or dealer about replacement of the magnetron.
Model Magnetron type Code no.
M1823C-BB E3588 000-146-866
M1833C-BB E3571 000-146-867
M1933C-BB MAF1421B 000-147-385
M1943C-BB MAF1422B 000-146-871
M1953C-BB MAF1425B 000-146-872
7.2.4 Replace of the synchro belt
When the synchro belt has worn out, the sweep is not synchronized with
antenna rotation, which results in an abnormal picture. When you suspect that
the synchro belt has worn out, contact a FURUNO agent or dealer about
replacement.
Model Syncho belt type Code no.
M1823C-BB 40 S2M 266 UG 000-808-743
offered by Busse-Yachtshop.de