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Backplane insulator
Complete the following steps to replace the backplane insulator.
Note:
v Read “Installation guidelines” on page 37.
v Read the safety notices at ″Safety information″ on page 113.
v Read “Handling static-sensitive devices” on page 40.
1.
Perform steps 1 on page 79 through 15 on page 80 in “Backplane” on page 79.
When you have completed these steps, go to step 2 of this procedure.
2. Holding the backplane at the top near the guide pins, pull the backplane out and
off of the guide pins.
3. Lift the old backplane insulator out of the chassis.
Backplane insulator
Backplane
Screw (6)
4. Remove the new backplane insulator from its packaging.
Note: The backplane insulator is keyed to the screws and VHDM connectors
and installs in only one correct orientation.
5. Install the new backplane insulator over the round alignment studs in the
chassis.
6. If you have no other replacement procedures to perform at the rear of the
system:
v Reinstall the backplane (see page80).
v Reinstall the rear chassis stiffener bracket (see “Rear chassis stiffener
bracket” on page 77).
v Reinstall the left and right docking board/blower housing assemblies (see
page 76).
v Reinstall the two upper flex circuit assemblies (see page 71).
v Reinstall the two lower flex circuit assemblies (see page 72).
v For Type 8720, reinstall the rear dc panel (see “DC Rear Panel” on page 70).
For Type 8730, reinstall the rear ac panel (see “AC rear panel” on page 69).
Chapter 5. Service replaceable units 81