16
DOES AIR
COMPRESSOR
RUN?
Does compressor run
for a few seconds,
“chugs”, then stops?
Does compressor pres-
surize from 80 to 100
psi in less than 2
minute with no air
being used?
Does compressor
cycle with no air
being used?
YES
NO
YES
NO
GO ON T
O
THE NEXT
P
AGE.
Are there leaks in
compressor or in
of
fice piping system?
Does air
bleed out
the purge
valve when
unit is
running?
Clean
or
replace.
Replace
intake
filter
.
NO
NO
Check voltage at
the valve and
make sure valve is
closed.
Does
unloader
valve pres-
sure switch
or float
assembly
seat while
running?
NO
YES
Tr
ouble Shooting Chart
Single Ultra Clean Oilless Compressor
Single Ultra Clean Oilless Compressor Diagram
YES
Is the moisture
indicator pink?
YES
Is intake
filter
clogged?
Is there suf
ficient
pressure build-up
with head
discharge line
removed?
YES
NO
Defective
head,
contact
Tech W
est.
Note:
Close
shut of
f valve.
Pump up tank to
100 psi. If pres-
sure is main-
tained for 15-20
min., leak is in
of
fice lines.
YES
Locate and
repair
.
NO
NO
Does
purge valve
system
function
properly?
YES
Does com-
pressor run
too hot or too
frequent?
NO
Check for proper
voltage. Use buck-
boost if needed.
NO
1. Locate and repair
leaks.
2. V
entilate if room is
above
100 deg. F
.
3.
Contact
compressor
may be undersized.
YES
YES
Service dryer and
replace moisture
indicator
.
YES
Check voltage sup-
plied to the
compressor
.
YES
Defective
head,
contact
Tech W
est.
YES
NO
Does air leak
from unloader
valve or the
purge muf
fler
continuously
until unit cycles
again?
Make sure that the
dryer valve is clos-
ing properly
.
Summary of Contents for ACO2S
Page 2: ... ...
Page 10: ...8 8 7 6 9 1 2 3 4 5 ULTRA CLEAN OILLESS COMPRESSOR PARTS LIST ...
Page 24: ...22 Maintenance Service Notes ...
Page 25: ...23 Maintenance Service Notes ...
Page 26: ...24 Maintenance Service Notes ...
Page 27: ...25 Maintenance Service Notes ...
