Quincy Compressor
1312100602, September 2012
12
3501 Wisman Lane, Quincy IL - 62305-3116
1. Increase ventilation with
cooler air.
2. Clean all outer surfaces of the
compressor.
3. Re-evaluate application
requirements; re-size if neces-
sary.
4. Inspect for proper lubricant
and amount. Refer to LUBRI-
CATION. Do not operate
this compressor more than
10° off level.
5. Take to authorized service
center.
6. Take to authorized service
center.
7. Take to authorized service
center.
8. Inspect, clean or replace.
1. High ambient temperature;
inadequate ventilation.
2. Dirty cylinder & head cooling
fins.
3. Unit is undersized for applica-
tion.
4. Insufficient lubrication.
5. Compressor runs backwards.
6. One or more head valves fail-
ing to seat properly.
7. Damaged cylinder head gas-
ket.
8. Restriction in head or check
valve.
15. Compressor overheats.
1. Replace defective pressure
switch.
2. Limit the air pressure to the
com pressor’s capacity. Either
use a smaller tool or a larger
compressor.
1. Defective pressure switch.
2. Compressor incorrectly sized.
14. Compressor unit runs continu-
ously.
1. Drain tank after every use.
Drain tank more frequently in
humid weather & use an air
line filter.
1. Condensation in tank, caused
by high level of atmospheric
humidity or compressor is not
run long enough.
13. Moisture in discharge air.
PROBLEM
CAUSES
CORRECTION
16. Pressure relief valve continu-
ally "pops".
1. Defective pressure switch.
2. Faulty pressure switch set-
ting.
3. Defective pressure relief valve.
1. Replace pressure switch.
2. Re-set pressure switch (by
qualified technician).
3. Replace pressure relief valve.
