TM 5-4310-387-14
m. Loosen drivebelt tension (para. 4-14).
n.
Seal all openings in air compressor and engine.
o.
Clean dirt and debris from engine cooling fins.
p.
Store air compressor in a dry, dust-free room and cover with a plastic film that does not "sweat". Remove cover
from time to time and clean off the unit.
4-48. Long Term Storage Long term storage of the compressor, that is storage without time limit, may be
accomplished only by means of the following special Instructions:
a.
Run the compressor at operating pressure and temperature for approximately 10 minutes.
b.
Check the unit for leaks at all pipe connections, filter purifier, separator and valves. Tighten couplings and
connections as required.
c.
After 10 minutes of operation, open the fill valve and allow the compressed air to escape to the atmosphere. The
compressor will then be maintained at about 2000 PSIG (138 BAR) by the pressure maintaining valve.
d.
Shut down the unit after five more minutes of operation and drain off the filter, purifier and separator by opening
their condensate cocks. Close the cocks after compressor has been reduced to zero pressure.
e.
While still warm, drain compressor crankcase and refill with the proper lubricating oil as specified in table 3-1.
f.
While still warm, drain engine crankcase and refill with preservative P-10, grade 10.
g.
Start compressor and run under load for about 5 minutes to circulate the proper lubricating oil.
h.
Spray about one fluid ounce of preservative P-9 into the engine air Inlet.
I.
Shut down the compressor.
j.
Loosen drive belts in accordance with paragraph 4-14.
k.
Apply primer TT-P-664 to the groove surfaces of both the engine and compressor pulleys.
NOTE
Do not rotate either engine or compressor after the primer has been applied.
I.
Unscrew separator collar nut and apply a thin film of silicone grease to the male threads on the separator
cover. Reinstall collar nut.
m.
Remove top plug from purifier cylinder. Coat threads and preformed packings with a thin coat of silicone
grease. Have direct support maintenance replace purifier cartridge.
n.
Install new compressor inlet air cleaner element (para. 4-17).
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