TM 5-4320-300-14c. Remove pump drain plug and drain pump body. Replace drain plug.d. Disconnect and drain suction and discharge gage lines. Reconnect lines.e. Remove suction and discharge hoses at ports.f. Clean suction and discharge port threads using a wet cloth.g. Install protective plugs in the discharge and suction ports.CAUTIONDo not overfill crankcase. Oil may be blown out through the crankcase breather.h. Remove drain plug from oil pan and drain crankcase. Replace drain plug and fill crankcase to the proper level withthe recommended viscosity and grade of oil in accordance with LO 5-4320-300-12 (figure 4-1).4-190
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