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Portable Pressure Washer Familiarization and Troubleshooting Guide
Glossary
The following are definitions for terms commonly used in the pressure washer industry.
Ampere – a unit of measure for current draw
Annovi Reverberi – a pressure washer pump
manufacturer
Arrestor – see 'spark arrestor'Assy – same as 'assembly' or
group of parts
Awg – a unit of measure, relating a wire diameter in terms
of American Wire Gauge
Axial cam - a device (cam) used to transform the rotary
motion of the motor crankshaft into the reciprocating
motion of a pump's pistons; also known as a 'wobble
plate'
Backflushing – a method of reversing water flow through a
system in order to flush out any blockages or impurities
Backwashing – same as backflushing
Belleville – a trade name for a certain type of domed steel
washer
BHCS – same as 'button head cap screw', a type of fastener
BSP - same as "British Straight Pipe", a type of pipe thread
Centura – a trade name for a certain type of Tecumseh
internal combustion engine
Connector – a device used to make an electrical
connection between two or more circuit wires; a device
used to attach water hoses, high pressure hoses, and so
forth
Contaminants – chemicals or particles of inappropriate
matter mixed with known good materials
Couplings – devices used to make a mechanical connection
between two rotating shafts or threaded pipes, etc.
CSA - characters which signify that the labeled device
complies with applicable regulations promoted by the
Canadian Standards Association
CST – signifies Central Standard Time
Degreaser – a chemical used to remove grease or similar
petroleum-based products from a surface or object
Dia – same as 'diameter'
Dipstick – a device used to indicate the level (amount) of
oil in a pump/engine crankcase
EE – same as 'economy electric' pump, now known as a
small frame pump powered by an electric motor
EG – same as 'economy gas' pump, now known as a small
frame pump powered by a gasoline engine
Eng – stands for 'engine' or 'engineering'
GLOSSARY
FAIP – a pressure washer pump manufacturer
FH – same as 'flathead' pump, now known as a medium
frame pump
Foamer – a device used to inject soap, wax, or other
additives into a stream of low pressure water
General – a pressure washer pump manufacturer
GFCI – same as 'ground fault circuit interrupter', a device
used to almost instantly cut off circuit power when an
improper grounding condition is sensed
GN – a trade name for a certain type of Generac-Nagano
internal combustion engine, such as GN-220, etc.
GPM – a unit of measure for water flow; same as 'gallons
per minute'
GPW – same as 'Generac pressure washer' pump, now
known as a large frame pump
Helpline – special telephone answering service that can
assist Generac owners having operational questions
HHCS - same as 'hex head cap screw'; a type of fastener
HM – same as 'hour meter', a device used to record the
elapsed time a device is operated
HP – same as 'horsepower', a unit of measure for work
Intek - a trade name for a certain type of Briggs &
Stratton internal combustion engine
Keyway – a special slot cut into an engine shaft that is
intended to mate with a matching key in a pump; permits
maximum transfer of power from engine to pump
Lavor Wash – a pressure washer pump manufacturer
Lbs – same as 'pounds'
Loctite – trade name for a brand of assembly adhesive
Ml – same as 'milliliter', a unit of measure for volume
Newton – a unit of measure for force
NFPA – same as 'National Fire Prevention Association'
NPT – same as 'national pipe taper', a designator applied to
a specific type of pipe threads
NSP – same as 'non-service part'; the entire assembly must
be replaced as a unit
OHV – same as 'overhead valve', an improved way to
control exhaust and intake valves on internal combustion
engines
OHVI – an industrial, more durable version of the ohv
engine
105
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Troubleshooting
