TM  55-1510-222-10 NOTE During    ground    operation,    the    ice vanes should be extended to preclude FOD to the engine. * 8. Mission equipment As required. 9. Fuel     pumps/crossfeed     operation     Check     as follows: a. Fire pull handles Pull. b. Standby pump switches ON. c. Battery switch ON. d. #1 and #2 FUEL PRESS warning  annunciators Illuminated. e. Fire pull handles In. f. #1 and #2 FUEL PRESS warning  annunciators Extinguished. g. Standby fuel pump switches STANDBY PUMP. h. #1  and  #2  FUEL  PRESS  warning  annunciators Illuminated. i. Crossfeed  Check.    Check  system  operation  by activating switch momentarily left then right, noting that #1     and     #2     FUEL     PRESS     warning     annunciators extinguish  and  that  the  FUEL  CROSSFEED  advisory light illuminates as switch is energized. * 10. Ice vane control switches ON. * 11. Battery switch ON. 12.. Lighting  systems  Check  as  required,  to  include position lights, recognition lights, landing/taxi light, wing ice lights, beacons, emergency lights, and interior lights, then OFF. NOTE The emergency lights override switch should be placed in the TEST position and the emergency lights (5) checked for illumination and intensity.      A   dim   light   indicates   a weak battery pack. At the completion  of  the  check,  the  switch must    be    cycled    from    the    TEST position  to  the  OFF/RESET  position and then placed in AUTO. 13. Fuel    gages    Check    fuel    quantity    and    gage operation. * 14. Stall and gear warning system Check as follows: a. Stall   warning   test   switch   TEST.      Check   that warning horn sounds. b. Landing gear warning test switch TEST.  Check that   warning   horn   sounds   and   that   the LDG   GEAR CONTR handle warning annunciation illuminates. 15. Engine fire protection system Check as follows: a. Engine fire protection test switches Hold switches to DET position, check that FIRE PULL handle warning annunciators, and MASTER WARNING annunciators illuminate. b. Engine     fire     protection     test     switches     Hold switches  to  EXT  position,  check  that  SQUIB  OK  and EXTGH  DISCH  annunciators,  and  MASTER  CAUTION annunciators illuminate. NOTE If   MASTER   WARNING   is   canceled between tests, it may not re- illuminate. 16. INS Align as required. 17. Battery switch As required. 18. Toilet Check condition. 19. Emergency  equipment  Check  that  all  required emergency     equipment     is     available     and     that     fire extinguishers  and  first-aid  kits    have  current  inspection date.. (0) 20. Parachutes Check. 8-10.  FUEL SAMPLE. NOTE Fuel  and  oil  quantity  check  may  be performed   prior   to   exterior   check. During  warm  weather  open  fuel  cap slowly  to  prevent  being  sprayed  by fuel under thermal pressure. * 1. Fuel sample Check collective fuel sample from all  drains  for  possible    contamination.  Thru-flight  check is only required if aircraft has been refueled. 8-11.  EXTERIOR CHECK. a. Left Wing Area.  Check as follows  (fig.8-1): * 1. General condition Check. 2. Flaps  Check  for  full  retraction    (approximately 0.25  inch  play)  and  skin    damage,  such  as  buckling, splitting, distortion  or dents 8-3