TM 5-4320-302-14j. Remove discharge hose from check valve body assembly (discharge).k. Coat all accessible flange and part surfaces with MIL-L-21260 preservative oil, Type I, Grade 30.Wipe excess oil from intake and discharge port threads and cover port openings.I. Remove pump drain plug and pour approximately one quart of MIL-L-21260 preservative oil,Type I, Grade 30, into pump body. Replace pump drain plug.WARNINGSevere burns, illness, or death may result if personnel failto handle diesel fuel oil properly. Observe the followingprecautions:Do not inhale vapor.Do not handle fuel near open flame, sparks, or excessiveheat.Be certain fuel lines and connections are secure.Work in a well-ventilated area.m. Drain crankcase and fuel tank into suitable metal containers.n. Remove pump drain plug and drain preservative oil. This will leave a protective coating ofpreservative oil on interior surface of pump. Replace pump drain plug.o. Tape rain cap in place and oil the cap surfaces. Seal air cleaner inlet hose with a moisture-proof, vaporproof tape.4-186
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