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Removal and
Replacement of
The AC Mains
Fuse
Maintenance 5-8
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5. Push at J300 on the rear of the supply assembly to slide
the supply assembly towards the front of the mainframe.
6. Firmly grasp the tab (handle) at the bottom front of the
power supply assembly and pull forward using a slight side
to side rocking motion. If the power supply is difficult to
remove, recheck to make sure all the retaining screws are
disengaged.
7. To reinstall a power supply into the mainframe, first align
the power supply with the cavity at the front of the
mainframe. Note that the silkscreen on the supply rear
panel will read correctly when the supply is in the proper
orientation. Align the U-channel frame on guides.
8. Gently guide the power supply forward until engagement
with the backplane is felt.
9. Tighten the four front panel screws and the fourteen
backplane screws at E1 to E14.
10. Connect (J301/P301)
11. Connect ribbon cable connector (P300/J300)
12. Replace the rear panel/fan assembly..
Complete the steps below while referring to Figure 5-5.
To avoid electrical shock, the AC mains power input must be
disconnected before replacement of the fuse.
1264C User Manual
WARNING:
EADS North America Defense
Test and Services, Inc. © 1998
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