ARMY TM 9-2815-259-24 AIR FORCE TO 38G1-125-2 MARINE CORPS 09249A/09246A-24 3-10 TABLE 3-2.  UNIT TROUBLESHOOTING (Sheet 7 of 11) Not OK    OK    OK    Not OK    LOW OIL PRESSURE Low oil pressure. Check for proper lube oil   type (refer to TM   9-6115-671-14 or other   applicable TM). Drain oil and replace oil filter   (refer to paragraph 3.11.2).   Refill with proper lube oil type   (refer to TM 9-6115-671-14 or   other applicable TM). Refer to troubleshooting   section labeled "ENGINE   OVERHEATING". Check for engine   overheating (refer to TM   9-6115-671-14 or other   applicable TM). Notify next higher   level of   maintenance. Perform end item   troubleshooting procedures   (refer to TM 9-6115-671-14 or   other applicable TM).