WARNING WARNING TM  5-6675-302-14&P b. Disassembly, Replacement and Reassembly. c. Installation. (1)  Refer  to  figure  5-11  and  disassemble  the (1) Install  the  sleeve  (para  5-15). bracket (4 thru 7). (2) Install the target base (para 5-14). (2)  Replace   defective   parts   with   serviceable (3) Install  the  target  level  assembly  (para  5-13). parts. (4) Install the target frame (para 5-12). (3)  Refer  to  figure  5-11  and  reassemble  the bracket  (4  thru  7). Section V. REPAIR OF TARGET ASSEMBLY (MODEL USATS-79) 5-17.  General.  On  model  USATS-79  the  target assembly  consists  of  a  target  plate  and  a  target plate carrier incorporating a target level and three feet  for  clamping  to  the  tribrach.  Refer  to  section IV  for  repair  of  the  target  assembly  for  model 242406. 5-18. Target Plate. a. Removal. (1)  Refer  to  paragraph  4-9  and  remove  the target assembly from the tribrach. (2) Refer to figure 5-14 and remove the target plate from the target plate carrier. b.   Disassembly.   Refer  to  figure  5-15  and disassemble the target plate. c. Cleaning Inspection and Repair. Clean parts in a well-ventilated area. Avoid inhalation of solvent fumes and prolonged  exposure  of  skin  to  cleaning solvent. Wash exposed skin thoroughly. Dry   cleaning   solvent   (Fed.   Spec. P-D-680) used to clean parts is potential- ly dangerous to personnel and property. Do not use near open flame or excessive heat.  Flash  point  of  solvent  100F  to 138F (38C to 59C). (1) Clean all metal parts with cleaning solvent and dry thoroughly. Clean mask with lens tissue or lens cloth. (2)  Inspect   cover   plate,   target   frame   and plunger   for   cracks,    dents,   breaks   and   burrs. inspect  spring  for  cracks.  Inspect  all  threaded parts for worn or damaged threads. (3) Remove all burrs and minor dents. (4) Replace  all  defective  parts  that  cannot  be repaired. d.   Reassembly.   Refer   to   figure   5-15   and reassemble the target plate. e. Installation. (1) Refer  to  figure  5-14  and  install  the  target plate  on  the  target  plate  carrier. (2)  Refer  to  paragraph  4-9  and  install  the target assembly on the tribrach. 5-19. Target Plate Carrier a. Removal and Disassembly. (1)  Remove   the   target   assembly,   paragraph 5-18. (2)  Refer  to  figure  5-16  and  disassemble  the target plate carrier. b. Cleaning, Inspection and Repau. Clean parts in a well-ventilated area. Avoid inhalation of solvent fumes and prolonged exposure of skin to cleaning solvent. Wash exposed skin thoroughly. Dry   cleaning solvent  (Fed.  Spec. P-D-680) used to clean parts is potential ly dangerous to personnel and property. Do not use near open flame or excessive heat. Flash point of solvent is 100F to 138F (38C to 59C). (1) Clean all metal parts with cleaning solvent and  dry  thoroughly.  Wipe  target  level  with  lens tissue or lens cloth. (2) Inspect  level  housing,  carrier  housing  and centering  flange  for  dents,  cracks,  breaks  and burrs.  Inspect  springs  for  cracks.  Inspect  target level and plastic tube for cracks and scratches. (3) Remove all burs and minor dents. (4) Replace  all  defective  parts  that  cannot  be repaired. 5-15