TM  10-3930-643-34 GENERAL  SUPPORT  TRANSMISSION  MAINTENANCE. 15-7. Transmission Control Valve. (Sheet 2 of 9) DISASSEMBLY NOTE Prepare a clean work area for disassembly. Maintain  clean conditions at all times while working on valve. 1. Using an 1-7/16” open end wrench, remove  plug  (1)  and  preformed  packing (2). Discard  preformed  packing  (2). 2. Using a wooden dowel, remove pin (3). Note location of pin  (3)  for reference  during  assembly. 3. Remove  and  discard  preformed  packing (4). 4. Push items 7 thru 12 as an assembly out of housing (32) through plug assembly (5). 5. Using an 1-7/16” open end wrench, remove plug assembly (5) and preformed  packing  (6). Discard preformed  packing  (6). Bolt is under pressure from spring. Use care when removing bolt. Point  bolt  away  from personnel and unscrew slowly. Failure  to  follow  this  procedure could  result  in  INJURY.  If injured,  seek  medical  attention immediately. 6. Using a 1/2” socket and socket wrench  handle,  remove  bolt (7), washer (8), spring (9), spacer (10) and washer (11) from plunger (12). Go to sheet 3 15-87