TM 10-3930-664-24 2-22.  OIL SAMPLING VALVE REPLACEMENT This task covers:  Removal, Cleaning, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: Reference: General Mechanics Tool Kit (1, App.  E) LO 10-3930-664-12 Materials / Parts: Teflon Tape (35, App.  C) Loctite 242 (20, App.  C) A.  REMOVAL NOTE Sampling     valve     can     be     removed without   removing   transmission   top cover.  Remove cover only if elbow or hose replacement is required. 1.     Remove   oil   sampling   valve   (1)   from   welded   pipe coupling (2).  Plug pipe coupling. 2.     If   required,   remove   transmission   cover   top   (3)   by removing nine screws (4) and washers (5). 3.     Tag  and  disconnect  hose  assembly  (7)  from  elbow (6).  Remove elbow from welded pipe coupling (2). B.  CLEANING Clean oil sampling valve in accordance with paragraph 1- 24. C.  INSPECTION Inspect  valve  and  related  components  in accordance with paragraph 1-24. 2-86