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8-4. ROTOR AND WHEEL BEARINGS MAINTENANCE (Conít)
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c. INSTALLATION
TM   9-2320-289-20 8-4. ROTOR AND WHEEL BEARINGS MAINTENANCE (Con’t). 4. Remove  outer  wheel  bearing  (7).  Remove  rotor  (9),  Remove  seal  (18)  and  inner  wheel  bearing (19)  from  rotor.  Drive  out  outer  race  (8)  and  inner  race  (20)  by  evenly  tapping  around  inner edges  with  soft-faced  drift.  Press  out  6  or  8  wheel  studs  (10)  as  required.  Discard  seal. WARNING Splash  shield  (13)  and  caliper  bracket  (17)  are  factory-installed  with  6 locknuts and washers. Refer to TM 9-2320-289-20P for proper replacement parts.   Using   improper   replacement   parts   may   cause   caliper   to   fall   off during  operation,  resulting  in  injury  or  death  to  personnel. NOTE Note  position  of  caliper  bracket  (14)  for  Installation. 5. Remove  6  nuts  (11)  and  Iockwashers  (12).  Remove  splash  shield  (13)  and  caliper  bracket  (14) from   spindle   (15).   Discard   Iockwashers. NOTE Note  position  of  caliper  bracket  (17)  for  Installation. 6. Remove  6  locknuts  (16)  and  caliper  bracket  (17)  from  spindle  (15).  Discard  locknuts. b. CLEANING AND INSPECTION WARNING Dry   cleaning   solvent   P-D-680   is   toxic   and   flammable.   Always   wear protective  goggles  and  gloves  and  use  only  in  a  well-ventilated  area. Avoid contact with skin, eyes, and clothes and DO NOT breathe vapors. DO  NOT  use  near  open  flame  or  excessive  heat.  The  solvent’s  flash point   is   100°F-138°F   (38°C-59°C).   If   you   become   dizzy   while   using cleaning solvent, immediately get fresh air and medical help. If solvent contacts eyes, immediately wash your eyes with water and get medical aid. DO  NOT  use  a  dry  brush  or  compressed  air  to  clean  brake  pads  or brake components. There may be asbestos dust on brake pads or brake components  which  can  be  dangerous  to  you  if  you  breathe  it.  Brake pads  and  brake  components  must  be  wet,  and  a  soft  brush  must  be used.  Failure  to  follow  this  warning  may  result  in  serious  illness  or death  to  personnel. 1. Clean  wheel  bearings  (7  and  19)  and  races  (8  and  20).  Inspect  wheel  bearings  and  races  for scratches,  discoloration,  wear,  bends,  and  cracks.  Replace  if  rough  or  noisy  after  cleaning,  or if   worn,   bent,   or   cracked. 2. Clean   cooling   fins   of   rotor   (9).   Inspect   rotor   for   scoring,   pitting,   or   cracks.   Notify   your supervisor   if   scored,   pitted,   or   cracked. 8-7

 


 

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