TM 1-1510-225-10 8A-4 NOTE It  takes  approximately  8  seconds  for  the annunciator to illuminate and to extinguish after release. (2)  TEST  switch  –  Release,  HYD  FLUID LOW annunciator extinguished. m. CABIN TEMP MODE – OFF. n.  Fire detection system – Checked. o.  Stall and landing gear warning system – Check. 12.  FLAPS – As desired. 13.  BATT switch – OFF. 14.  Galley power switches – OFF. 15.  Toilet – Check. 16.  Emergency   equipment   –   Check   that   all required  emergency  equipment  is  available and  that  fire  extinguishers  and  first  aid  kits have current inspection date. a.  Survival kit(s). b.  First aid kits (3). c.   Baggage compartment fire extinguisher. d.  Overhead   emergency   lighting   (forward and aft). e.  Emergency exit. f.    Cockpit fire extinguisher. 8A-13.  FUEL SAMPLE AND OIL CHECK. CAUTION A  cold  oil  check  is  unreliable.    Oil  should be    checked    within     10     minutes     after stopping engine.  If more  than  10  minutes have elapsed, motor engine for 40 seconds,  then  recheck.    If  more  than 10 hours   have   elapsed,   run   engine   for 2 minutes,    then    recheck.        Add    oil    as required.  Do not overfill. NOTE Fuel    and    oil    quantity    checks    may    be performed    prior    to    Exterior    Check    to preclude carrying a ladder and fuel sample container    during    the    balance    of    the preflight.  During warm weather, open fuel caps  slowly  to  prevent  being  sprayed  by fuel under pressure. 1.  Fuel  Sample  –  Check  collective  fuel  sample from   all   drains   for   possible   contamination. (Refer to Chapter 2 for locations.) NOTE All  exterior  check  areas  are  illustrated  in Figure 8A-2. 8A-14.  LEFT WING, AREA 1. 1.  Left wing area – Check as follows: * a.  General condition – Check for skin damage such as buckling, splitting, distortion, dents, or fuel leaks. b.  Flaps    –    Check    for    full    extension    or retraction (approximately 1/4 inch play) and skin  damage,  such  as  buckling,  splitting, distortion or dents. c.   Fuel sump drains – Check for leaks. d.  Ailerons and trim tab – Check security and trim tab rig. e.  Static     wicks     –     Check     security     and condition. f.    Wing    tip    and    position    lights    –    Check condition and for cracked lens. g.  Recognition/strobe light – Check condition. h.  Outboard  wing  fuel  vent  –  Check  free  of obstruction. * i.    Main tank fuel and cap – Check fuel level, condition  of  seal,  cap  tight  and  properly installed.  Locking tab aft. j.    Outboard  deice  boot  –  Check  for  secure bonding, cracks, loose patches, stall strip. k.   Stall warning vane – Check free. * l.    Tiedown – Released. m. Wing ice light – Check condition. n.  Recessed  and  heated  fuel  vents  –  Check free of obstructions.