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English
GLOSSARY
CFM: Cubic feet per minute.
SCFM: Standard cubic feet per minute; a unit of measure of air
delivery.
PSI: Pounds per square inch; a unit of measure of pressure.
Cut-in pressure: Factory set low pressure point that starts the
compressor to repressurize the tank to a higher pressure.
Cut-out pressure: Factory set high pressure point that stops
the compressor from increasing the pressure in the tank above a
certain level.
Well-ventilated: A means of providing fresh air in exchange for
dangerous exhaust or vapors.
Dedicated circuit: An electrical circuit reserved for the exclusive
use of the air compressor.
ASME: American Society of Mechanical Engineers. Indicates that
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
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Seized pump Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
28
Oil level too high
Reduce to proper level. See Compressor Pump Oil under
Maintenance.
29
Poor ventilation Relocate compressor to an area with cool, dry, well circulated
air, at least 12 in. from nearest wall.
30
Dirty cooling surfaces Clean all cooling surfaces thoroughly.
31
Too much back pressure in tank. Open drain valve when starting motor.
32
Compressor too cold Move compressor to a warmer location.
the components are manufactured, tested and inspected to the
specifications set by ASME.
CSA: Canadian Standards Association
Indicates that the products that have this marking have
been manufactured, tested and inspected to standards
that are set by CSA.
Canadian Standards Association (USA): Indicates that the
products that have this marking have been
manufactured, tested and inspected to standards that
are set by CSA. These products also conform to U.L.
standard 1450.
California Code: Unit may comply with California Code 462 (l) (2)/
(M) (2). Specification/model label is on the side of the air tank on
units that comply with California Code.
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