Portable Air Compressor
19- ENG
Westward Operating Instructions and Parts Manual
Model 3JR71
Symptom (s)
Possible Causes (s)
Corrective Actions (s)
Air leaks
between head
and valve plate.
1. Leaking seal.
1. Contact a trained service
technician.
1. Possible defect in safety
valve.
1. Operate safety valve
manually by pulling on
ring. If valve still leaks, it
should be replaced.
Knocking Noise.
1. It is normal for some
pressure drop to occur.
1. If there is an excessive
amount of pressure drop
when the accessory is
used, adjust the regulator
following the instructions in
the Description of
Operation paragraph in
the Operation Section.
NOTE:
Adjust the regulated
pressure under flow conditions
(while accessory is being
used).
2. Defective check valve. 2. Remove and clean, or
replace.
Compressor is not
supplying enough
air to operate
accessories.
1. Prolonged excessive
use of air.
2. Compressor is not large
enough for air
requirement.
3. Hole in hose.
4. Check valve restricted.
5. Air leaks.
6. Restricted air intake
filter
1. Decrease amount of air
usage.
2. Check the accessory air
requirement. If it is higher
than the SCFM or pressure
supplied by your air
compressor, you need a
larger compressor.
3. Check and replace if
required.
4. Remove and clean, or
replace.
5. Tighten fittings.
6. Clean or replace air intake
filter. Do not operate the
air compressor with the
filter removed. Refer to the
Air Filter paragraph in the
Maintenance section.
Pressure reading
on the regulated
pressure gauge
drops when an
accessory is
used.
Содержание 3JR71
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