TM9-2815-226-34-1 - JATONKAM35s HOME ON THE WEB

TM 9-2815-226-34-1Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION23. LOW IDLE OIL PRESSURE (LESS THAN 10 PSI, [69 KPA]).Step 1.Check for oil dilution.Refer to MALFUNCTION 20 for corrective action.Step 2.Check for coolant overheating.Refer to MALFUNCTION 22 for corrective action.Step 3.Check for low oil level in crankcase.Service crankcase (LO 9-2320-281-12).Step 4.Check for leaks on suction line and fittings..Step 5.Step 6.Step 7.Step 8.Step 9.Tighten line or replace gaskets (para 3-54).Check oil cooler for restricted coolant flowRemove and clean cooler (para 3-56).Check for defective oil pump high pressure limit valve.Remove pump and replace defective limit valve (para 3-51).Check for defective oil pump pressure regulator.Remove pump and replace defective regulator (para 3-51).Check oil pump for defective bushing and gears.Replace defective pump. Repair as necessary (para 3-51).Check for broken piston cooling nozzle.Replace defective nozzle (para 3-6).Step 10. Check for worn main and rod bearings.Replace defective main and rod bearings (para 3-6).2-22