TM 5-4310-384-13
SECTION VII. PREPARATION FOR STORAGE
3-46.
LONG TERM STORAGE. For storage longer than 30 days, prepare the air compressor as follows:
WARNING
Disconnect main power and turn compressor unit off before performing maintenance procedures.
a.
Turn compressor switch (1) OFF.
b.
Remove oil drain cap (2) and drain oil into suitable container. Replace cap.
c.
Refill crankcase with 16 oz. (.5 L) of 30 weight preservative lubricating oil (MIL-L-21260B, Grade 2).
d.
Open the drain cock (3) to release air pressure in tank.
e.
Remove the belt guard cover (paragraph 3-23) and loosen belt tension (paragraph 3-24). Insert heavy paper
strips between the pulleys and belts to prevent sticking.
f.
Clean and dry the compressor unit with a wiping rag.
g.
Protect the compressor with a good weather-resistant tarpaulin and store it under cover, preferably in a dry
building.
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