frame 1 TM 9-2320-209-34-2-1 c. Cleaning , Inspection, and Repair. Refer to TM 9-2815-210-34 for pro- cedure to clean, inspect and repair oil pressure regulating valve. d. Replacement. 1. Put new gasket (1) on engine crankcase (2). IF WORKING ON ENGINE LD 465-1 OR LD 465-1C (WITHOUT TURBOCHARGER), GO TO FRAME 2. IF WORKING ON ENGINE LDT 465-1C (WITH TURBOCHARGER), GO TO FRAME 3 2-200