TM 10-3930-671-24 REACTIONS WITHIN ENGINE CRANKCASE TO TEMPERATURES DURING OPERATION When   sludging   conditions   prevail,   the   oil   should   be examined daily and changed as it may freeze, or clog the inlet strainer and cause bearing or oil pump failures. pumps in the field. High    Altitude    Operation    -    if    engine    is    to    be    run continuously at a high altitude (above 5000 ft.) the pump calibration should be modified to maintain an acceptable smoke level. Contact manufacturer for recom- mendations. NOTE Some high altitude fuel delivery curve shaping  can  be  performed  on  some STANADYNE  fuel  injection  pumps  in the field. High   Temperature   Operation-for   every   10OF   (50C) above 850F (29.40C) inlet air temperature power loss of 1% results. F-140

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