TM 5-1940-277-34TROUBLESHOOTING PROCEDURES (Continued)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION9.TRANSMISSION MALFUNCTIONSCAUTIONBoat must be in water to run engine. For exception during organizational or higher maintenanceactions, refer to page 3-326; TM 5-1940-277-20.Step 1.Start engine and let run for 2 minutes with transmission in neutral. Shut engine off and wait 5 minutes and then check oil level. Must be to mark on dipstick.a.Fill with fluid to proper level (refer to TM 5-1940-277-10).b.Fluid level all right go to step 2.Step 2.Check for improperly adjusted control linkage (refer to TM 5-1940-277-20).-If linkage adjustment is correct go to step 3.Step 3.Test for low oil pressure with transmission in neutral (refer to page 2-21).a.Clean oil strainer (refer to TM 5-1940-277-20).b.Clean pressure regulator valve (refer to page 2-327).c.Check for weak pressure regulator spring.d.Replace defective oil pump (refer to page 2-237).e.If pressure all right contact supervisor.Step 4.Test transmission in forward position.-Report defective transmission to General Support.Change 22-16
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