TM 5-4310-343-35
(3) Basic compressor assembly prior to run-in testing is performed as follows:
(a) Replace sump, refer to paragraph 5-6.h.
(b) Replace oil pump, refer to paragraph 5-6.g.
(c) Replace 2nd stage relief valve, paragraph 5-6.f.
(d) Replace intercoolers, aftercoolers and oil tubes, refer to paragraph 5-6.b. steps 4 through 8.
(e) Replace fan, refer to paragraph 5-6.a.
NOTE: Tie in compressor assembly to test stand in preparation for testing as
indicated in the test stand operation instructions.
(4) Compressor Run-in Test.
NOTE: The lubricating oil shall be FSN 9150-753-4667, FSN 9150-753-4667.
(a) Basic compressors which have had a first stage piston, or cylinder, a Second stage plunger or cylinder, a
piston pin, cam crankshaft or bearings replaced, require a break-in run for a period of 4 hours in accordance with the
following schedule:
4 Hour Break-In Run
Delivery
Start (Hours)
Speed (RPM)
Pressure (psig)
Change (Hours)
0
1750
400-600
2:00
2:00
2500
1900-2100
3:00
3:00
3500 100
3100-3300
4:00
5-50
