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Operating Instructions
General Safety Information
(Continued)
•
Never aim or spray at yourself or
anyone else or serious injury could
occur.
•
Do not spray acids, corrosive
materials, toxic chemicals, fertilizers
or pesticides. Using these materials
could result in death or serious injury.
•
When spraying and cleaning, always
follow the instructions and safety
precautions provided by the material
manufacturer (Refer to MSDS).
•
Do not overreach. Keep
proper footing and balance
at all times. Proper footing
and balance enables better
control of the spray gun in
unexpected situations.
•
Stay alert. Watch what you are doing
and use common sense when operating
the spray gun. Do not use the spray
gun while tired or under the influence
of drugs, alcohol, or medication. A
moment of inattention while operating
the spray gun increases the risk of
injury to persons.
TOOL USE AND CARE
•
Do not use pressure that
exceeds operating pressure
of the spray gun or any of
the parts (hoses, fittings,
etc.) in the painting system.
•
Over pressurizing the spray gun is
able to result in bursting, abnormal
operation, breakage of the spray gun
or serious injury to persons.
•
Always verify prior to using the spray
gun that the air source has been
adjusted to the rated air pressure or
within the rated air-pressure range.
•
Check for misalignment or binding of
moving parts, breakage of parts, and
any other condition that affects the
spray gun's operation. If damaged, have
the spray gun serviced before using.
Many accidents are caused by poorly
maintained spray guns. There is a risk of
bursting if the spray gun is damaged.
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•
Avoid unintentional starting. Be sure
the trigger is off before connecting to
the air supply. Do not carry the spray
gun with your finger on the trigger or
connect the spray gun to the air supply
with the trigger on.
•
Disconnect the spray gun from the air
source before, changing accessories,
cleaning, servicing or storing the
spray gun. Such preventive safety
measures reduce the risk of starting
the spray gun unintentionally.
•
Failure to install appropriate water/
oil removal equipment may result in
damage to machinery or workpiece.
•
Always use a pressure regulator on
the air supply to the spray gun.
The DANGER, WARNING, CAUTION,
and NOTICE notifications and
instructions in this manual cannot
cover all possible conditions and
situations that may occur. It must
be understood by the operator that
caution is a factor which cannot be
built into this product, but must be
supplied by the operator.
Introduction
The spray gun is a vital link in any
finishing application. In addition to
operating the spray gun properly,
techniques of surface preparation and
paint preparation must be understood.
These instructions will explain the
differences among various spray
technologies and serve as a guide in
the proper operation and techniques of
spray painting. Refer to the Replacement
Parts Manual for model specific
information.
2
Spray Gun Terms
FEED - Method used to bring material
into the gun for spraying.
PRESSURE FEED - Method of material
feed where a canister or paint tank is
pressurized to force material to the gun.
Either internal or external mix air caps
are used with this method. Pressure
feed is generally used for spraying
heavy bodied materials or for large size
projects.
SIPHON FEED - Method of material
feed where atmospheric pressure creates
a partial vacuum to siphon material to
the gun. Only external mix air caps are
used with this method. Siphon feed is
used with light bodied materials.
GRAVITY FEED - Method of material
feed similar to the siphon feed method.
However, the cup is inverted to create a
positive fluid pressure at the nozzle.
MIX - The mixing of material and air
when spraying.
INTERNAL MIX - Process where the air
and material are mixed inside the air cap
just before being sprayed. This method
is best for heavy bodied, slow drying
materials and can only be used with the
pressure feed method. Do not use fast
drying materials with internal mix. The
material will dry inside and quickly clog
the air cap.
EXTERNAL MIX - Process where the air
and material are mixed just after leaving
the nozzle. This type of mix should be
used for fast drying materials and when
a high quality finish is needed.
BLEEDER / NON-BLEEDER - Indicates
whether air flows through the gun
continuously or as the trigger is pulled.
BLEEDER - In this mode, air passes
continuously through the gun whether
spraying or not. This mode is generally
used when the air is supplied by a
continuously running compressor that
does not have a tank.
NON-BLEEDER - In this mode, air flows
only when the trigger is pulled. This type
of operation is used with a compressor
equipped with a tank or with a large
factory air system. Do not use with a
continuous run compressor that does not
have a tank.
VISCOSITY - A measurement of the
resistance of the flow of a liquid.
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