TM   9-2350-238-10 VEHICLE CONTROLS–CONTINUED Key Control   or   Indicator Function Boom   lifting   block   quick release   pins Boom   sheave   quick release   pins Acts   as   a   guide   to   retain   boom   winch   wire   rope   within   block sheave. First  pin  acts  as  guide  to  retain  boom  winch  wire  rope  in boom  sheave.  Second  pin  secures  end  of  wire  rope  to  boom. 1 2 Holds  ends  of  tow  cable  to  boom  when  not  in  use. 3 Tow   cable   bracket Floodlight   switch 4 Controls   floodlight.   It   is   normally   in   ON   position   to   allow   con- trol   from   inside   cab. Snatch   block   tray   lift handle Snatch   block   tray   release handle Provides   hand   grip   for   moving   tray   between   stowed   and operate   positions. Secures   tray   in   stowed   position. A   safety   lock   to   prevent   accidental   release   of   snatch   block tray. 5 6 7 Quick   release   pin 8 9 Slide   release   pin Side   bar   release   pin Secures  wire  rope  in  level  wind  slide. To   attach   or   detach   level   wind   assembly   to   or   from   level   wind brackets. Removal   of   pin   allows   level   wind   assembly   to   pivot   to   wire rope  angle. 10 11 12 Bar  release  pin Level   wind   to   boom release   pin Rigger’s   cupola   cover outer   latch   handle Secures   level   wind   bracket   to   underside   of   boom. Secures  and  locks  cover  closed  by  an  ear  wedged  under cupola   ring. Side  door  outer  latch handle. 13 14 15 Secures  side  door  to  cab. Side  door  catch Rear   stowage   door handle Holds  side  door  in  open  position  when  latch  handle  is inserted. Secures   stowage   door   to   cab. Spade   travel   lock 16 Locks   spade   in   up   position   when   spade   is   not   in   use. 2-15