Transition duct
DIMM air duct
Plastic
push pins
Positioning pins
Rivet
Pin
a.  Remove  the  four  screws  that  secure  the  DIMM  air  baffle  to  the 
power-supply  cage. 
b.  Push  the  DIMM  air  baffle  toward  the  rear  of  the  server  until  the  positioning 
pins  on  the  DIMM  air  baffle  are  clear  of  the  holes  in  the  power-supply 
cage. 
c.  Position  the  transition  duct  so  that  the  two  tabs  are  directly  over  the  slots 
on  the  side  of  the  DIMM  air  baffle. 
d.  Slide  the  transition  duct  into  the  slots  until  it  clicks  into  place.
  9.  Reinstall  the  DIMM  air  baffle  onto  the  power-supply  cage. 
 
44  IBM  System  x3500  Type  7977:  User’s  Guide