Fujitsu M255XK Customer Engineering Manual page 6

TABLE OF CONTENTS
SECTION 4 MAINTENANCE
4.1 Periodic Maintenance
4.1.1 Inspection and Adjustment Items •
4.1.2 Field Replaceable Items
4.1.3 Tools Required for Maintenance
4.2 Maintenance Precautions
4.2.1 Screw Torque
4.2.2 Screw Lock
4.2.3 Handling Connectors
4.2.4 Additional Maintenance Precautions
4.3 -Head C l e a n i n g .
4.4 Inspection and Adjustment Procedures
4.4.1 Collet Assembly Centering Adjustment
4.4.2 Bail Inspection and Adjustment
4.4.3 Disk-in Sensor Inspection
4.4.4 Write Protect Sensor
4.4.5 Disk Rotational Speed
4.4.6 Head Contact Inspection and Adjustment
4.4.7 Asymmetry
4.4.B Read Level
4.4.9 Resolution
4.4.10 T rack Alignment
4.4.11 Track 00 Sensor Inspection and Adjustment
4.4.12 Index Burst Timing Inspection and Adjustment •
4.4.13 Head Load Inspection and Adjustment •
4.4.14 Door Lock Inspection
4.5 Removal and Replacement Procedures
4.5.1 Head Carriage Replacement •
4.5.2 Stepping Motor and Steel Band Replacement
4.5.3 Spindle Motor Replacement •
4.5.4 Collet Assembly Replacement
4.5.5 Sensor Block Replacement
4.5.6 Main Circuit Card Replacement
4.5.7 Write Protect Sensor Replacement
4.5.8 Bezel Replacement •
4.5.9 Front Lever Replacement
4.5.10 Clamp Cam Replacement
4.5.11 Head Load Replacement
4.5.12 Door Lock Solenoid Replacement •
SECTION 5 MAINTENANCE DRAWINGS AND PARTS LISTS
5.1 Construction •
5.2 Structural Parts Listing
5.3 Screws and Washers
5.4 Main Circuit Card Components •
5-5 Circuit Card Layout and Schematic Diagrams •
TS-017-082786 ••• 01 v
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