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Fujitsu M255XK Customer Engineering Manual page 69

5 1/4" mini-flexible disk drive
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4.5.11 Head Load Solenoid Replacement
Tools Required:
Phillips Screwdriver, M3
Allen Wrench, 1.5mm
Refer to Figure 5-5.
1.
Remove the shield cover (item 44).
2.
Remove the mounting screws from the main circuit card and lift up the
circuit card (item 43), unplug all connectors at the main circuit card assembly
and remove the card.
3.
Remove the screws holding the main circuit card shield plate and remove the
plate (item 23).
4.
Remove the two screw holding the head load solenoid bracket and remove the
solenoid assembly (item 32) from the chassis.
5.
Install the new solenoid assembly by reversing the removal steps.
6.
Refer to Figure 4-26.
Use the head load adjustment screw to adjust the
height of the chassis and top of the vertical rod to 0.68" (17.3mm) and
temporarily tighten.
7.
Adjust the head load solenoid (paragraph 4.4.13).
Top
&
bottoa plate a •• eably
Upper an
Figure 4-26 Head Load Height Adjustment
TS-021-013087 ••• 01
4-37

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