TM 1-1510-218-10 8A-7 g.   Auxiliary  tank  fuel  sump  drain  –  Check for leaks. h.   Heat exchanger outlet and inlet – Check for cracks and free of obstructions. 2.   Right   engine   and   propeller   –   Check   as follows: 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. *a.   Engine oil – Check oil level, normally, no more  than  3  quarts  low,  and  locking  tab aft. b.   Engine  compartment,  left  side  –  Check for fuel and oil leaks, security of oil cap, door,    and    general    condition.        Lock compartment access door. c.   Left cowl locks – Locked. d.   Left exhaust stub – Check for cracks and free of obstructions. e.   Propeller   blades   and   spinner   –   Check blade  condition,  security  of  deice  boot, spinner     security,     and     free     propeller rotation. f.    Engine  air  inlets  and  ice  vane  –  Check free of obstructions and correct position. g.   Bypass door – Check condition. h.   Right cowl locks – Locked. i.    Right  exhaust  stub  –  Check  for  cracks and free of obstructions. j.    Engine compartment, right side – Check for  fuel  and  oil  leaks,  ice  vane  linkage, door,    and    general    condition.        Lock compartment access door. 3.   Right main landing gear – Check as follows: a.   Fuel sump drains – Check for leaks. *b.   Tires  –   Check  for   cuts,   bruises,   wear, appearance   of   proper   inflation,   wheel condition,  and  that  both  tires  have  the same tread design. c.   Brake    assembly    –    Check     lines     for damage  or  signs  of  leakage  and  brake linings for wear.  Also check brake deice assembly and bleed-air hose for condition and security. *d.   Shock strut – Check for signs of leakage and minimum strut extension (5.5 inches)  and  left  and  right  extension is approximately equal. e.   Torque knee – Check condition. f.    Safety   switch   –   Check   condition,   wire, and security. H g.   Fire    extinguisher     pressure     –     Check pressure within limits (Chapter 2). h.   Wheel  well,  doors,  and  linkage  –  Check for    signs    of    leakage,    broken    wires, security, and general condition. 4.   Right wing – Check as follows: a.   Recessed and heated fuel vents – Check free of obstructions. b.   GPU access door – Secured. c.   Wing ice light – Check condition. d.   Outboard deice boot – Check for secure bonding,    cracks,    loose    patches,    stall strip, and general condition. *e.   Tiedown – Released. *f.    Main   tank   fuel   and   cap   –   Check   fuel level,   condition   of   seal,   cap   tight   and properly installed.  Locking tab aft. g.   Outboard wing fuel vent – Check free of obstruction and for fuel leakage. h.   Wing   tip    and    position    light    –    Check condition and for cracked lens. i.    Recognition/strobe light – Check condition. j.    Static     wicks    –     Check     security     and condition. k.   Ailerons  and  trim  tab  –  Check  security and condition of ground adjustable tab. l.    Fuel sump drains – Check for leaks. m. Flaps    –    Check    for    full    extension    or retraction   (approximately   1/4-inch   play) and    skin    damage    such    as    buckling, splitting, distortion, or dents. *n.   General    condition    –    Check    for    skin damage     such     as     buckling,     splitting, distortion, dents, or fuel leaks.