ARMY TM  5-6115-612-34 MARINE CORPS TM 6115-34/8 AIR  FORCE TO  35C2-3-471-2 NAVY AG-32OBO-MME-000 8-4. OVERHAUL   OF   TURBINE   ASSEMBLY. (cont) d. Repair. (cont) WARNING (30)  Replace  bearing  housing  if dimensions  exceed  acceptable  tolerances. To   prevent   injury,   ensure   that protective  gloves  are  worn  when (31) Replace compressor inlet if handling hot or cold parts. cracks are visible or are revealed by nondestructive  testing. (22)  Replace  oil  passage  plug. Replace retaining  ring if damaged. (32)  Replace inlet   housing   if Replace preformed packing. Pressure there are nicks and scoring or if there check  oil  passage  plug  for  correct is excessive turbine rub damage. targeting. If targeting is incorrect, remove plug, fill passage, rechill, and (33)  Replace inlet   housing   if reinsert plug. dimensions  exceed  acceptable  tolerance. (23) Machine out seal material on diffuser and diffuser cap and replace e.  Assembly   and  Balance  of  Rotating material. Group Assembly. (24) Replace compressor wheel if blades are nicked, eroded or bent, or if other evidence of damage exists. CAUTION (25) Replace compressor wheel if If rotating group assembly has been threads are worn or stripped, if shaft completely disassembled, follow all is cracked or scored, or if cracks are assembly and balancing steps given, visible  or  are  revealed  by  nondes- below. If  only  partial  disassembly tructive  testing. has  been  made, proceed  with  the (26) Replace compressor wheel if assembly and balance procedure at the appropriate step. Be sure all labyrinth seal is damaged. grinding  dust,  chips,  and  burrs created by balancing operations are (27)  Replace  bearing  housing  if removed before each step of assem- cracks are visible or are revealed by bly. Failure to remove dust, chips, nondestructive  testing. or   burrs   will   create   excessive runout when parts are assembled, and (28) Replace bearing housing for may lead to rotating group damage internal and external damage, excessive during  engine  operation. wear, or  if  dimensions  are  outside acceptable  tolerance. CAUTION (29) Machine off seal material on To prevent damage, handle turbine bearing  housing  and  replace  material. wheel by blades only. 8-29