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MAINTENANCE and INSPECTION
Clean gun before and after each use. To protect the precision machined internal parts and fittings
in this gun from corrosion during shipping, some oils or other corrosion resistant agents may
have been applied. It is important to remove any such residue before attempting to use the gun.
To clean, place a small amount of appropriate thinner into paint cup and spray through gun while
pulling and releasing trigger repeatedly. Wipe exterior of gun, nozzles and paint cup. In some
cases, if the gun becomes clogged, disassemble completely and soak all parts in thinner. After
soaking, use wire and cleaning brush to clear small internal passages. Check and clean paint
cup filter. Replace if worn.
A clean air source is imperative to ensure peak performance. The use of an in-line air filter is
highly recommended to keep any contaminants from entering the spray gun.
Inspect all fittings and hardware to ensure proper seating. Be sure air line fittings are tight with
no leaks. Replace any worn parts as necessary.
Check needle and nozzles for nicks, scratches or burrs. Any such conditions will seriously impair
performance. Replace as necessary.
OPERATION
STEP 1.
Inlet Air Pressure Regulation
Assemble components of spray gun and connect to clean air source as described above.
Set inlet air pressure to between 20 and 30 P.S.I. to begin adjustments.
(This is a good operating inlet pressure suitable for most applications, however, depending on materials being
sprayed and other external factors such as temperature, humidity, etc., you may need to come back to this step and
increase or decrease pressure as needed after attempting adjustments in step 2.)
Inlet pressure is adjusted by turning the Pressure Regulator Control Knob. Knob must first be
pulled out to unlock. Turning knob clockwise increases pressure, turning knob counter-clockwise
decreases pressure. Once desired pressure is reached, push the knob back in to lock the
adjustment.
Regulated air out
to Spray Gun
4
Pressure Regulator
Control Knob Locked
Unregulated
air Inlet
Pressure Regulator
Control Knob Unlocked
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