TM 55.1510-220-10 p. Avionics door, right side - Check secure. 8-20.  CENTER SECTION, RIGHT SIDE. 1. Center section Check as follows: a. Inboard     deice     boot     Check     for     secure bonding, cracks, loose patches, and general condition. b. Battery access panel Secure. c. Battery vents Check free of obstruction. *d. Auxiliary tank fuel gage and cap Check fuel level   visually,   condition   of   seal,   and   cap tight and properly installed (locking tab aft). e. Battery  compartment  drain  Check  free  of obstruction. f. Battery    ram    air    intake    Check    free    of obstruction. g. INSTAS temperature probe Check condiion and free of obstructions. h. Auxiliary   tank   fuel   sump   drain   Check   for leaks. i. Heat  exchanger  inlet  and  outlet  Check  for cracks and free of obstructions. j. Monopole antenna Check condition. 8-21.  RIGHT ENGINE AND PROPELLER. 1. 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 30 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  no  more  than  3 quarts low, locking tab aft, and access door locked. b. Engine   compartment,   left   side   Check   for fuel  and  oil  leaks,  security  of  oil  cap,  door locking pins, and general condition. c. Left cowl locks Locked. d. Left   exhaust   stack   Check   for   cracks   and free of obstructions. *e. Propeller  blades  and  spinner  Check  blade condition,   boots,   security   of   spinner,   and free propeller rotation. *f. Engine air inlets and ice vane Check free of obstruction and ice vane retracted. g. Bypass door Check condition. h. Right cowl locks Locked. i. Right  exhaust  stack  Check  for  cracks  and free of obstructions. j. Engine  compartment,  right  side  Check  for fuel  and  oil  leaks,  ice  vane  linkage,  door locking  pins,  and  general  condition.    Lock compartment access door. 8-22.  RIGHT MAIN LANDING GEAR. 1. Right   main   landing   gear   Check   as   follows:   a. Fuel sump drains (forward) Check for leaks. *b. Tires  Check  for  cuts,  bruises,  wear,  proper inflation and wheel condition. c. Brake    assembly    Check    brake    lines    for damage  or  signs  of  leakage,  brake  linings for   wear   (0.25   inch   maximum,   between piston   housing   and   lining   carrier),   brake deice   assembly   and   bleed   air   hose   for condition and security. *d. Shock   strut   Check   for   signs   of   leakage, minimum strut extension (5.50 inches), and that     left     and     right     strut     extension     is approximately equal. e. Torque knee Check condition. f. Safety   switch   Check   condition,   wire,   and security. 8-7