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TM 5-4320-306-24
2-46. INTERMEDIATE TERM STORAGE (More than 30 days) (Continued)
CAUTION
Preservative oil must flow from fuel return line before engine is
cranked.
Do not exceed 10 seconds of cranking at one interval.
(f) Crank engine through six 10-second intervals at 150 rpm. While cranking engine, shoot preservative
oil in through opening on intake manifold (step (d), above). Do not exceed 10 seconds of cranking at
one interval. Stop for short periods of time and proceed again, if necessary. White smoke will come
out of exhaust when engine preservation is complete.
(10) Drain fuel filter (23) and fuel strainer (24), and discard and replace used elements.
(11) Affix a waterproof tag to the engine (13), bearing the information: "Engine contains preservative oil. Drain
and replace with required engine lubricant before operation.”
(12) Service air cleaner (10) in accordance with paragraph 2-26.
(13) Drain engine crankcase (9).
(14) Remove plug (2) from bottom of pump body (3) and drain preservative oil. This will leave a protective
coating of preservative oil on interior surface of pump. Install and tighten plug.
(15) Disconnect suction and discharge pressure hoses (4 and 5) at pump, and drain any excess preservative oil
Reconnect hoses.
(16) Remove exhaust pipe clamp (25) and hose clamp (26) from spark arrestor (27) and muffler intake sleeve
(28). Remove spark arrestor. Loosen mounting bands (29) of muffler bracket assembly and remove
muffler (30) and muffler bracket assembly. Reinstall mounting hardware of muffler bracket assembly and
tighten sufficiently to hold in place. Reinstall clamps and mounting bands on muffler, tighten sufficiently to
hold in place.
(17) Seal exhaust pipe opening and muffler intake opening with a moisture proof, vapor proof tape.
(18) Remove air cleaner (10) in accordance with paragraph 2-26.
(19) Openings that will permit direct entry of water shall be sealed with moisture proof, vapor proof tape. Large
openings shall be bridged with waterproof barrier material, and the edges of the barrier material secured to
adjacent surfaces with tape specified herein.
c. Batteries. Remove and clean batteries in accordance with table 2-1, item 2. Store batteries separately from
pump unit in a cool, dry location at temperature no lower than 32° F (0 C).
d. V-belt Adjustment. Relieve V-belt tension in accordance with table 2-1, item 6. Insert slips of heavy kraft paper
between pulleys and V-belt to prevent sticking. Adjust V-belt tension sufficiently to hold slips of paper in place.
e. Storage.
(1) Cushion contents of the tool box with sufficient dunnage to prevent damage when the centrifugal pump unit
is moved.
2-152
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