TROUBLESHOOTING
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.
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