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
This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or
maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified D
your dealer.
Problem
Air leaks .................................................................................................................................... 1
Air leaks in air tank or at air tank welds .................................................................................... 2
Air leaks between head and valve plate .................................................................................... 3
Air leaks from safety valve ......................................................................................................... 4
Compressor is not supplying enough air to operate accessories ............................................ 1, 5, 6, 7, 9, 10
Restricted air intake. .................................................................................................................. 9
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.
Troubleshooting Guide
24
WALT technician or
e
Code