TM10-3930-660-10 Key 4 5 6 7 8 Control   or   Indicator Operator’s   Seat Accelerator   Pedal Brake   Pedal Transmission    Disconnect Pedal Function A  lever  under  the  seat  controls  the  back  and  forth movement.   Seat   height   can   be   adjusted   by   changing the  elevation  of  the  seat  mounting  plate. Controls   engine   speed.   Depress   the   pedal   to   increase engine   speed.   Release   pressure   on   pedal   to   decrease engine   speed. Applies   the   service   brakes.   Depress   the   pedal   to actuate  the  disc  brakes  on  all  four  wheels.  The  brake lights  illuminate  when  this  pedal  is  pressed  if  the service  lighting  control  switch  is  in  the  STOP  LIGHT  or SERVICE   DRIVE   position. Engages   the   service   brakes   and   disconnects the   transmission   from   the   drive   train.   Depressing   pedal allows  the  operator  to  increase  the  engine  rpm  without shifting   to   NEUTRAL,   thereby   accelerating   hydraulic functions. The   back-up   alarm   does   not   operate   in   the   blackout   lighting   mode.   Use extreme   caution   when   backing   in   the   blackout   mode.   Do   not   disconnect this  feature  at  any  time. Back-Up   Alarm Activated  whenever  the  range  select  lever  is  placed  in the   reverse   travel   position.   The   alarm   will   not   operate in  the  blackout  lighting  mode. 2-12