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Page Title: Removal, Replacement and Repair of Power Connector Assembly A5MP3
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TM 11-5895-1179-13 E132-EA-OMP-010/E106 KY883 TO 31S1-2GGSC-161
CAUTION
The plug-in-circuit card assembly ejector as well as the plug-in- circuit card assembly should be firmly
supported to prevent cracking the plug-in-circuit card assembly during step b.
b.
Using a drill pin punch, push the ejector roll pin with just enough force to drive out the pin.
c.
Position the replacement plug-in-circuit card assembly ejector so that the ejector roll-pin hole is aligned with
the hole in the plug-in-circuit card assembly. Insert the new roll pin and press it with a screwdriver blade until
it is properly seated.
d.
Install the plug-in-circuit card assembly (paragraph 4-7).
e.
Close and secure the front panel assembly.
5-18.
Removal, Replacement and Repair of Power Connector Assembly A5MP3
a.
Remove the chassis cover and the four plug-in-circuit card assemblies as described in paragraphs 5-6 and
4-7, respectively.
WARNING
Set ON/OFF switch to OFF before opening front panel assembly and removing circuit card assemblies.
High voltage is present in the power supply even when the ON/OFF switch is OFF. Remove the power
plug and discharge capacitors A7C1 and A5AlCl to ensure safety.
b.
Make certain that capacitors A7C1 and A5A1CI (figures 5-5 and 5-6) are discharged.  Remove the
terminal board cover from A7TB1 (figure 5-5) and disconnect the leads from A7TBI-8, -12 and -13 (figure
c.
Remove the four power connector assembly mounting screws and washers (figure 5-4). Remove the
power connector assembly.
d.
If the power connector assembly is to be repaired, replace the defective component. a. Position the
replacement power connector assembly in the mounting hole with pin B at the bottom. Install the four
screws and washers removed in step c.
f.
Connect the leads to A7TB1-8, -12 and -13 (figure 5-2). Install the terminal board cover removed in step s.
5-21

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