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INTERCOOLER AND AFTERCOOLER - TM-5-4310-339-150028
TABLE 4-1. COMPRESSOR TROUBLESHOOTING CHART

TM-5-4310-339-15 Compressor Reciprocating Air: 15 CFM 175 PSI; Electric Motor Driven (INGERSOLL-RAND MODEL 242D7-) Manual
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Section IV
SECTION IV
TROUBLESHOOTING
4-1.
GENERAL. This section contains a troubleshooting chart, Table 4-1, which will aid
and guide the operating personnel by indicating the possible troubles that may occur in the
operation of the compressor. The chart also lists the probable causes of troubles that may
o c c u r and the necessary remedies for correcting them.  T h e necessary remedies include
servicing, adjusting, or replacing the components causing the trouble.
TABLE 4-1. COMPRESSOR TROUBLESHOOTING CHART
TROUBLE
CHECK POINT NOS.
Oil Pumping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7 -10-15 -20-21
Knocks or rattles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16-17 -18-19-21
Air delivery has dropped off. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5-15 -17-20
Intercooler safety valve pops.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-17
Trips motor overload or draws excessive current . . . . . . . 8 - 1 2 - 1 3 - 1 4 - 1 5 - 1 7 - 1 8 - 1 9 - 2 1
Water in frame or rusting in cylinders. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-11
Excessive starting and stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5-6
Compressor
doesn't
unload
when
stopped
.
.
.
.
.
.
.
.
.
.
.
.
.
.
15
Compressor runs excessively hot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6-17
Compressor won't come up to speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-15
Lights flicker when compressor runs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-13
4-1






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