Fujitsu M255XK Customer Engineering Manual page 41

4.4 INSPECTION AND ADJUSTMENT PROCEDURES .
The following step-by-step procedures are provided to ease any maintenance task.
4.4.1 Collet Assembly Centering Adjustment
Tools Required: Phillips Screwdriver, M3
Screw Lock Liquid
Refer to Figure 4-3.
1. Remove the 3 screws fastening the shield cover to the drive and remove the
cover.
2.
Loosen the 2 screws fastening the collet shaft assembly (allowing the shaft
assembly to be moved manually).
3. Place a piece of felt, or similar material between the Read/Write heads to
prevent contact between the heads, and then release the door lock cam and
turn the Front Lever to clamp.
4. Adjust the collet shaft assembly so the collet shaft slides smoothly against the
collet core. Then press the collet shaft assembly in the direction of the
arrow, and tighten its fastening screws.
5. Turn the Front Lever to open and close the collet:
Make sure the operation is performed smoothly, without catching on the
spindle cap.
6. Install the shield cover.
Collet shaft plate
.aunt screw
Collet shaft plate
.aunt screw
Figure 4-3 Collet Shaft Adjustment
TS-021-013087 ••• 01
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