Quincy Compressor Q12120PQ Manual De Instrucciones Y Piezas página 14

PROBLEM
13. Moisture in discharge
air.
14. Compressor unit runs
continuously.
15. Compressor overheats.
16. Pressure relief valve
continually "pops".
Single Stage Series
1312101105, November 2014
CAUSES
1. Condensation in tank, caused
by high level of atmospheric
humidity or compressor is not
run long enough.
1. Defective pressure switch.
2. Compressor incorrectly sized.
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.
1. Defective pressure switch.
2. Faulty pressure switch set­
ting.
3. Defective pressure relief valve.
12
CORRECTION
1. Drain tank after every use.
Drain tank more frequently in
humid weather & use an air
line filter.
1. Replace defective pressure
switch.
2. Limit the air pressure to the
compressor's capacity. Either
use a smaller tool or a larger
compressor.
1. Increase ventilation with
cooler air.
2. Clean all outer surfaces of the
compressor.
3. Re­evaluate application
requirements; re­size 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. Replace pressure switch.
2. Re­set pressure switch (by
qualified technician).
3. Replace pressure relief valve.
Quincy Compressor