APPENDIX
(continued)
SYMPTOM
PROBABLE CAUSE
TEST PROCEDURE/
CORRECTIVE ACTION
3. Compressor motor
Intake, flex hoses not
Make sure flex hose does
runs, but noises are
installed properly or
not touch other parts.
present.
cracked.
If improperly installed,
correct.
If cracked, replace.
Broken reed valves.
If valves are broken, the
Check and replace as
necessary.
4. Compressor runs, but
Defective pressure gauge.
Replace pressure gauge.
will not build up pressure to
80 psi.
Defective pressure switch.
Replace pressure switch.
Intake silencer restricted.
Replace or clean intake
silencer.
Worn rings or guides.
Replace rings.
Drain valve open.
Close drain valve.
Leak in system.
Locate and repair leak.
Defective unloader valve.
Repair or replace valve.
Broken reed Valves
Remove reeds and repair
or replace valves.
MD0366
A-3