Quincy QTS Series Instruction Manual page 22

PROBLEM
13. Moisture in discharge air.
14. "Start / Stop" compressor unit
runs continuously.
15. Compressor overheats.
Industrial Series
50263-106, October 2004
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
failing to seat properly.
7. Damaged cylinder head
gasket.
8. Restriction in head or check
valve.
21
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. Re-evaluate application
requirements; re-size if
necessary.
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.
Quincy Compressor
3501 Wisman Lane, Quincy IL - 62305-3116