I  0’  ())  I  Oil  Operating  Engine  Mixture  Carburetor  Oil Inlet  Cyl. Head  Pressure  REMARKS  Condition  R.P.M.  Control  Air Temp.  Temp.  Temp.  lbs./in2  Start  Set  FULL  fULL  Must Show  In cold weather heat oil in out- Throttle  RICH  COLD  in 30 Sec.  rigger tanks by means of elect- for 600  rical units.  R.P.M.  Warm Up  500-600  FULL  FULL  For 1 Min.  RICH  HOT  50  Do not exceed 1400  r.~.m.  for  1000 After Minimum  continual operation.  (2)  Ground  1400  FULL  32°C.  37.8°C.  204°C.  70-90  Drop in R.P.M. when shifting  Test  RICH  Minimum  from one magneto to the other  should not exceed 40.  Take-orr  1800  FULL  32°C.  60-64°C.  233°C.  70-90  Max. rating 600 H.P. at 2250  Max.  RICH  R.P.M.  Cruising  1300  PART  32°C.  6o-64°c.  204°C.  70-90  Do not lean carburetor beyond  Desired  LEAN  or Less  10 R.P.M. drop of speed.  Desired  "  Stopping  400-500  FULL  Idle engine until  ~ylinder  LEAN  tem~erature  has dropped below  220 C. before atopping.  .  0  1. With propeller setting of 23  at 42" radius do not fly •hip  faster than 67 knots.  2.  Do  not operate engines at speeds causing bad vibrations. Maximum vibrations occur between 650 to 900 r.p.m.  Fig.XXVI Mechanic’s Check Chart  Pratt and Whitney Rl340 - AN2 Wasp Engine 