Fujitsu M255XK Customer Engineering Manual page 34

Table 4-2 Field Replaceable Items
Item Part Number Replacement Interval
Refer To
Head Carriage Assembly JA3-5321 7,000 Operating Hours 4~5.1
or 5 X 10 6 Seeks
Stepping Motor
J3-5295
5 X 10 6 Seeks
4.5.2
Steel Band Assembly JA4-5674
5 X 10 6 Seeks
4.5.2
Spindle Motor J3-5294 20,000 Operating Hours 4.5.3
Collet Assembly JA3-5265
If
defective 4.5.4
Sensor Card Assembly JA4-5717 If defective 4.5.5
Main Circuit Card Note 1
If defective
4.5.6
Write Protect Card
JA4-5715 If defective
4.5.7
Front Bezel Assembly JA4-5207 If defective 4.4.8
Front Lever Assembly
JA4-5708
If defective 4.4.9
Clamp Cam Assembly JA4-5698 If defective 4.4.10
LED Circuit Card JA4-5716 If defective 4.4.11
Note 1: Obtain replacement part number from the old Circuit Card.
Note 2: Front Bezel and Front Lever Assembly part numbers are black items,
order other colors with a color drawing number.
4.1.3 Tools Required for Maintenance
Table 4-3 list the tools that may be required to perform an inspection, replace-
mentor adjustment procedure.
Table 4-3 Maintenance Tools
Measuring Instruments: Exerciser (AVA 409 or equivalent)
Dual Trace Oscilloscope
34-pin Intraconnector Adaptor
AP Products Part Number 922576-34-1
Relative Humidity Gauge
Hand Tools: Phillips Screwdrivers (M2.6 and M3)
Flat Blade Screwdriver (small and medium)
Allen Wrench Set (1.5mm flat)
Tweezers, Needle Nose Pliers and Wire Cutters
Soldering Iron and Solder
Fine Cleaning Brush
TS-021-013087 ••• 01 4-2