M4000 Insulation Analyzer User Guide
72A-1230 Rev. F 4-65
July 22, 2005
11. Tighten one of the captive screws by inserting the 15”-long, flat-blade
screwdriver into one of the notches at the top of the assembly, and reach
down to tighten the screw. With the first screw in place, use your hands to
push the assembly towards the opposite end (away from the screw).
12. Tighten the remaining three captive screws using the 15”-long, flat-blade
screwdriver.
13. Replace the three screws on the rear panel using the Phillips head
screwdriver.
NOTE Since you have already removed two of the screws holding the fan
assembly in place, now is a good time to inspect the Fan filter. See
”Replacing the Fan Filter” on page 4-93.
14. Replace the top two screws holding the fan filter in place using the Phillips
head screwdriver.
15. Connect the ribbon cable to the Guard Board.
16. Reconnect the three cables to the Amplifier Assembly’s white connectors.
17. Replace the Nomex insulator shield.
18. Replace the card cage cover by reversing the steps in ”Removing the Card
Cage Cover” on page 4-48.
19. Replace the top and front covers by reversing the steps in ”Removing the
Front and Top Covers” on page 4-46.
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