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TM 5-4320-306-24
2-46. INTERMEDIATE TERM STORAGE (More than 30 days) (Continued)
(3) Remove drain tube pipe coupling (14) and completely drain oil from crankcase (9). Install drain tube pipe
coupling and install new oil cartridge (15).
CAUTION
Do not overfill crankcase. Oil will be blown out through the
crankcase breather.
(4) Fill crankcase to the proper level with SAE Grade 30 preservative lubricating oil, conforming to MIL-L-
21260.
(5) Remove hoses from suction assembly (intake) port (16) and discharge manifold assembly (discharge) port
(17). Coat all accessible interior surfaces with preservative oil MI L-L-21260, Grade 30. Install protective
plugs in suction (intake) and discharge ports.
(6) Remove, clean, and inspect strainer (18) in accordance with paragraph 2-18. Coat interior of strainer body
and strainer with MI L-L-21260 preservative oil, Grade 30. Install strainer.
(7) Remove pump assembly priming port cap (19) and pour approximately one quart of MIL-L-21260
preservative oil, Grade 30, into pump volute. Install and tighten priming port cap.
WARNING
Death or serious injury could occur if diesel fuel oil is not handled
carefully. Use in a well-ventilated area away from open flame,
arcing equipment, ignition sources, heaters, or excessive heat.
Always store fuel in proper, marked containers DO NOT SMOKE.
(8) Drain the engine fuel tank (1), collect the fuel in an approved safety can.
(9) Preserve fuel system, combustion chambers, and valves with P-10 preservative oil conforming to MIL-L-
21260, Grade 10, as follows.
(a) Hook up a pressure feed pump to fuel intake system.
(b) Disconnect fuel return line (20) from fuel tank (1) and place end of fuel return line in an approved
container. (Do not reuse returned preservative oil.)
(c) Cap off turbine (21) with a blank plastic cap so engine cannot receive any air.
(d) Remove metal plug closest to turbine on intake manifold (22).
(e) Start and run feed pump until preservative oil flows from fuel return line (20).
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