TM 10-3930-664-24 2. REMOVE   OIL   SAMPLING   VALVES   (13),   AIR RESTRICTION INDICATOR (16), AND FITTINGS. a. Remove   oil   sampling   valves   (13)    from welded couplings (14) on right side plate. b. Remove elbows (15) from welded couplings (14) on rear of plate. c. Remove  air  restriction  indicator  (16)  from elbow  (17).    Remove  elbow  and  adapter (18) from welded coupling (19). d. Remove  elbow  (20)  and  fitting  (20)  from welded coupling (19). 3. REMOVE LATCH ASSEMBLY (23) AND DOOR HINGE (29) FROM LEFT SIDE PLATE. a. Remove pawl (22) from door latch assembly  (23)  by  removing  nut  (24)  and lockwasher (24). b. Release  latch  assembly  (23)  from  access door   (26)   by   removing   screws   (27)   and washers (28). c. Remove   hinge   (29)   from   left   side   plate (30)   and   access   door   (26)   by   removing four screws (31) and nuts (32). d. Remove   sound   proof   foam   from   access door (26) only if replacement is required. e. Remove   fuel   plate   (33),   if   required,   by drilling out rivets (34). B.  CLEANING Clean   transmission   cover   components   in   accordance with paragraph 1-24. C.  INSPECTION 1. Inspect transmission cover components in accordance with paragraph 1-24. 2. Work latch assembly to ensure smooth operation. 3. Inspect sound proof foam for rips, cuts, tears, or deterioration. 3-166