Furuno TZT9 Operator's Manual page 262

Magnetron replacement
When the life of the magnetron is reached, targets do not appear on the radar display.
If long-range performance appears to have decreased, contact your dealer about re-
placement of the magnetron.
Radar Sensor
DRS2D
DRS4D
DRS4DL
DRS4A
DRS6A
DRS6A X-Class
DRS12A
DRS12A X-Class
DRS25A
DRS25A X-Class
The total time of power-on ("ON TIME") and transmission ("TX TIME") are displayed
on the radar screen during the stand-by mode.
LCD replacement (for TZT9/TZT14)
The life of the LCD is approximately 18,000 hours for TZT14, 25,000 hours for TZT9.
The actual number of hours depends on ambient temperature and humidity. When the
brilliance cannot be raised sufficiently, contact your dealer about replacement of the
LCD.
Fan replacement
The life of the each fan is shown in the table below. The actual number of hours de-
pends on ambient temperature. When the fan does not rotate sufficiently, an applica-
ble message appears. Turn off the power and contact your dealer about replacement
of the fan.
Item
FAN MOTOR MFB52A-12HA-002
FAN MOTOR MFB30G-12A-003
(TZT9/TZT14 only)
15. MAINTENANCE, TROUBLESHOOTING
Magnetron
E3590 000-164-574-11
E3571 000-146-867-11
80-0691 001-266-460
MAF1421B 001-025-710
MAF1422B 000-158-788-12
MAF1422B 000-158-788-12
MAF1565N 000-174-559-10
FNE1201 001-245-890
MG5436(E2V) 000-140-762-10
MG5436 001-205-570
Type Code No.
000-175-998-10
000-175-997-10
Code No. Estimated Life
Approx. 5,000
hours
Estimated Life
Approx. 21,000 hours
Approx. 21,000 hours
15-3