Fujitsu M255XK Customer Engineering Manual page 33

4.1 PERIODIC MAINTENANCE
SECTION 4
MAINTENANCE
When used at a normal rate, periodic maintenance such as cleaning, adjusting,
replacing parts, and lubricating should not be required for 5 years. Paragraph 4.3
provides additional information on cleaning the read/write heads.
4.Ll Inspection and Adjustment Items
Table 4-1 lists the items that may require inspection, replacement or adjustment.
The paragraph number, listed under the "Refer To" column in Table 4-1, provides
additional information or a step-by-step removal and replacement procedure.
The time required to perform each item listed in Table 4-1 is approximately 5
minutes, with the exception of the Track Inspection and Adjustment - which takes
about 10 minutes to perform.
Table 4-1 Inspection and Adjustment Items
Item Refer To
Collet Assembly - Centering Adjustment
4.4.1
Bail - Inspection and Adjustment 4.4.2
Disk-in Sensor - Inspection 4.4.3
Write Protect Senor -Inspection 4.4.4
Disk Speed - Inspection and Adjustment 4.4.5
Head Contact - Inspection and Adjustment
4.4.6
Asymmetry - Inspection and Adjustment 4.4.7
Read Level - Inspection 4.4.8
Resolution - Inspection
4.4.9
Track - Inspection and Adjustment 4.4.10
Track 00 Sensor - Inspection and Adjustment 4.4.11
Index Burst - Timing, Inspection and Adjustment 4.4.12
Head Load - Inspection and Adjustment 4.4.13
Door Lock Insp,:,ction 4.4.14
4.1.2 Field Replaceable Items
Table 4-2 lists the field replaceable items that may require replacement due to
wear or breakage. The paragraph number, listed under the "Refer To" column in
Table 4-2, provides a step-by-step removal and replacement procedure.
Refer to the Maintenance Precautions given in paragraph 4.2 prior to replacing any
item in the disk drive.
TS-021-013087 ••• 01
4-1