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22. Maintenance and Troubleshooting
22-3
22.2 How to Replace Consumable Parts
The magnetron wears with age, and distant targets will not be displayed when the magnetron needs to be replaced.
Have a qualified technician check the magnetron when distant targets are not displayed.
Consumable parts
Parts Type Life expectancy Remarks
Antenna Unit
Antenna Motor
D8G-516 (24 rpm, X-band)
D8G-571 (42 rpm, X-band)
GOB-8222 (18/22 rpm, X-band)
RM-6585 (22 rpm, X-band)
RM-7398 (21/26 rpm, S-band)
RM-7435 (21/26 rpm, S-band)
RM-9519 (45 rpm, S-band)
RM-9520 (45 rpm, S-band)
Gear motor 10,000
hours
Carbon brush MG120-5X6X11 D8G (X-band) 10,000 hours
Check for wear when
replacing magnetron.
Replace if worn.
Magnetron
MAF-1425B (X-band, 12 kW)
MG4010 (X-band, 12 kW)
MG5436 (X-band, 25 kW)
MG5223F (S-band, 30 kW)
4,000 hours
4,000 hours
4,000 hours
7,000 hours
Check no. of hours used at
Tx time. Reset time after
replacement.
Display Unit
Backlight Unit for
Display Unit
MU-201CE
201LHS2F
45,000 hours (25°C)
30,000 hours (50°C)
Replace when brilliance is
uneven or too low.
Cold Cathode
Fluorescent Lamp for
Display Unit
MU-231CE, MU-231
FLCL-23
50,000 hours (25°C)
35,000 hours (50°C)
Replace when brilliance is
uneven or too low.
Processor Unit (EC-1000C)
2806KL-04W-B69-B50 17,500 hours Processor cooler assy.
ASYG-FAN-FU-HEATSINK 60,000 hours On CPU Board OP0100
Chassis fan AD0812LB-A73GL 60,000 hours
CR2032 Three years Lithium battery
CR-2450 Ten years On CPU Board OP0100
Power supply unit UPF250-AA-BG 60,000 hours
HDD MHW2040AC 20,000 hours
The expected life figures are typical values. Actual life depends on usage and ambient temperature.