Desktop Computer Hardware Maintenance Manual
CAUTION: 
When  replacing  the  lithium  battery,  use  only  IBM  Part  Number  33F8354  or  an 
equivalent  type  battery  recommended   by  the  manufacturer.  If  your  system  has  a 
module  containing  a  lithium  battery,  replace  it  only  with  the  same  module  type 
made  by  the  same  manufacturer.  The  battery  contains  lithium  and  can  explode  if 
not  properly  used,  handled,  or  disposed  of. 
Do  not: 
v  Throw  or  immerse  into  water 
v  Heat  to  more  than  100°C  (212°F) 
v  Repair  or  disassemble
Dispose
  of  the  battery  as  required  by  local  ordinances  or  regulations. 
CAUTION: 
When  laser  products  (such  as  CD-ROMs,  DVD-ROM  drives,  fiber  optic  devices, 
or  transmitters)  are  installed,  note  the  following: 
v  Do  not  remove  the  covers.  Removing  the  covers  of  the  laser  product  could 
result  in  exposure  to  hazardous  laser  radiation.  There  are  no  serviceable  parts 
inside  the  device. 
v  Use  of  controls  or  adjustments  or  performance  of  procedures  other  than  those 
specified  herein  might  result  in  hazardous  radiation  exposure.
DANGER:  Some  laser  products  contain  an  embedded  Class  3A  or  Class  3B  laser 
diode.  Note  the  following: 
Laser  radiation  when  open.  Do  not  stare  into  the  beam,  do  not  view 
directly  with  optical  instruments,  and  avoid  direct  exposure  to  the 
beam. 
≥18  kg  (37  lbs)  ≥32  kg  (70.5  lbs)  ≥55  kg  (121.2  lbs) 
CAUTION: 
Use  safe  practices  when  lifting. 
158  Hardware  Maintenance  Manual










