TM 9-2350-287-10 -KEY- Expected Temperatures Lubricants Capacities Above 15°F +40°F to -10°F +40°F to -65°F Intervals (Above -9°C) (+4C to -23°C) (+4°C to -54°C) OE/HDO Intervals are as fol- (MIL-L-2104D) lows: LUBRICATING H - Hour OIL,  Internal D - Day; Daily Combustion En- A - Annually gine, Tactical Intervals are based on Service normal hours of op- eration and moderate OEA operating conditions. (MIL-L-46167) LUBRICATING OIL, Internal Combustion Engine, Arctic 48 qt OE/HDO OE/HDO OEA Transmission (45.43L) 15W40 15W40 NOTES: 1.  TRANSMISSION OIL LEVEL CHECK. WARNING While    performing    engine    warm-up, make sure personnel stand well clear of vehicle. Vehicle may move suddenly,   causing   severe   injury   or death to personnel. CAUTION Do not check oil with engine running. Do not overfill. NOTE Transmission and engine contain preservative oil upon receipt.  Preservative engine oils PE1 and PE2  are  identical  to  engine  oil  OE-40,  except they  contain  a  preservative  additive.    PE1  and PE2  will  be  used  in  the  same  manner  as  the regularly used engine oil OE-40.  PE1 or PE2 will also  be  used  in  the  transmission  until  the  first scheduled  2000-mile  or  semiannual  oil  change. Check oil level before starting engine.  Oil level indicator must be within 'OPERATING RANG E" stamped  on  dipstick  and  filler  cap  (1).    Add  or drain oil (see key for required type) as required. Block  vehicle  tracks.    With  brakes  applied  and transmission in fourth gear, run engine at 1600- 1900  rpm  to  warm  the  transmission  oil.    When transmission  oil  temperature  gage  reads  over 180°F,   run   engine   at   1200-1600   rpm   for   1-3 minutes  with  transmission  in  neutral  (N).    After this    period    of    time,    oil    temperature    should stabilize    between    180"F    and    220°F.        Stop engine, wait 3-5 minutes, then check oil level. E-3