DeVilbiss FAC752-3 Manual de usuario descargar pdf (Pagina 3)

SB-2-777-F Page 3

IMPORTANT: Before using this equipment, read all safety

precautions on page 2 and instructions. Keep for future use.

Halogenated hydrocarbon solvents - for example; 1, 1,

1- trichloroethane and methylene chloride - can chemi-

cally react with the aluminum in this gun and cause an

explosion hazard. Read the label or data sheet for the

material you intend to spray. Do not use spray materials

containing these solvents with this spray gun.

IMPORTANT: This gun may be used with most common coating

and ﬁnishing materials. It is designed for use with mildly corrosive

and non-abrasive materials. If used with other high corrosive or

abrasive materials, it must be expected that frequent and thor-

ough cleaning will be required and the necessity for replacement

of parts will be increased.

OPERATION

Strain material thru 60 or 90 mesh screen.

Model FLG-CNS-115:

The No. 1 (conventional) air cap requires an air supply at the gun

inlet of approximately 45 psi, measured with the trigger pulled

and can be operated from a 3 H.P. compressor.

HVLP Models FLG-HVS-322 and

FLG-HVP-315:

The No. 3 (HVLP) air cap requires an air supply at the gun inlet of

23 psi max., measured with the trigger pulled.

This gun was manufactured to provide maximum transfer efﬁciency

by limiting air cap pressure to 10 psi (complies with rules issued

by SCAQMD and other air quality authorities).

This gun will produce approximately 10 psi cap pressure at 23 psi

inlet pressure, as measured at the gun inlet. An air cap test kit (see

ACCESSORIES) should be used to ensure 10 psi cap pressure is

not exceeded.

Adjust ﬂuid pressure to deliver the desired paint volume. Adjust

air pressure and ﬂuid ﬂow to provide a uniform dispersion of at-

omized paint throughout the pattern. Keep air pressure as low as

possible to minimize bounce - back and overspray. Excessive air

pressure will result in split patterns. Low air pressure will result in

heavy centered patterns and poor atomization. Excessive ﬂuid ﬂow

will result in heavy center spray patterns. Inadequate ﬂuid ﬂows

may cause the pattern to split. See "TROUBLESHOOTING" section.

PREVENTIVE MAINTENANCE

To clean air cap and ﬂuid tip, brush exterior with a stiff bristle brush.

If necessary to clean cap holes, use a broom straw or toothpick if

possible. If a wire or hard instrument is used, extreme care must

be used to prevent scratching or burring of the holes which will

cause a distorted spray pattern.

To clean ﬂuid passages, remove excess material at source, then

ﬂush with a suitable solvent. Wipe gun exterior with a solvent

dampened cloth. Never completely immerse in solvent as this

is detrimental to the lubricants and packings.

Note

When replacing the ﬂuid tip or ﬂuid needle, replace both at

the same time. Using worn parts can cause ﬂuid leakage.

To prevent damage to the ﬂuid tip (2) or ﬂuid needle (7),

be sure to either:

• Pull the trigger and hold while tightening or loosening

the ﬂuid tip, or

• Remove ﬂuid needle adjusting knob (6) to relieve spring

pressure against needle collar.

Spray Gun Lubrication

Daily, apply a drop of SSL-10 spray gun lube at trigger bearing

stud and the stem of the air valve. The shank of the ﬂuid needle

where it enters the packing nut should also be oiled. The ﬂuid

needle packing (7) should be kept soft and pliable by periodic

lubrication. Make sure the bafﬂe (4) and retaining ring (1) threads

are clean and free of foreign matter. Before assembling retaining

ring to bafﬂe, clean the threads thoroughly, then add two drops

of SSL-10 spray gun lube to threads. The ﬂuid needle spring (6)

and air valve spring (8) should be coated with a very light grease,

making sure that any excess grease will not clog the air passages.

For best results, lubricate daily.

FLG4 SIPHON / PRESSURE FEED SPRAY GUNS AND DeKUPS

DISPOSABLE CUP SYSTEM

1 2 3 4 5 6 7 8 9 10

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DeVilbiss FAC752-3 Manual de usuario Pagina 3

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