Positioning pins

Transition duct

DIMM air duct

Plastic

push pins

Pin

Rivet

a.Remove the plastic push pins that secure the DIMM air duct to the power-supply cage.

1)Grasp the top of the plastic push pins and pull them out of the rivets.

2)Grasp the rivets and pull them out of the mounting holes and set them to the side.

Note: If the DIMM air duct in your server is secured with screws, remove the screws.

b.Push the air duct up toward the rear of the power-supply cage. When the locator pins are free of the power-supply cage, you can remove the air duct from the server.

c.Position the transition duct so that the two tabs are directly over the slots on the side of the DIMM air duct.

d.Slide the transition duct into the slots until it clicks into place.

9.Reinstall the DIMM air duct onto the power-supply cage.

Chapter 2. Installing optional devices 21

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IBM Type 7977 manual Positioning pins Transition duct Dimm air duct Plastic