4. DAILY MAINTENANCE AND PERIODIC INSPECTION AND MAINTENANCE
4.3 Replacement Methods
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(5) Floppy disk (FDD)
Due to the hardware specifications, the FDD is installed outside of the control section.
The FDD is used as a set with the man-machine interface PCB HR121, and is connected with an
F130 cable.
FDD .................... FD-235HG-7332 (TEAC)
FDD life .............. 12,000 access hours or 5 years of FDD motor rotation, whichever is sooner
a) Replacement procedures
Always replace the FDD unit with the control section power turned OFF.
①
Check that the control section power is turned OFF. (If the power is not OFF, turn it OFF.)
②
Open the operation box door.
③
Disconnect the F130 cable connected to the FDD.
④
Remove the FDD fixing screws, and remove the FDD unit from the FDD installation fitting.
⑤
Replace with the new FDD, and fix the FDD onto the FDD installation fitting with the fixing
screws.
⑥
Connect the F130 cable to the FDD.
⑦
Close the operation box door.
FDD
Control
section
F130 cable
FDD installation fitting
F130 cable
For signals
1-pin indication mark
For power supply
1-pin
Fixing screws
Fixing screws
Do not replace the FDD while the power is ON.
Dispose the spent FDD according to local laws.
CAUTION