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TYPICAL INSTALLATION

Conveyor

Sensing

Device

H.E.L.P. 1600B Automatic
Bleeder Air Spray Gun

3-way
Air
Solenoid
Valve

Cylinder Air
Supply Line

Atomizing Air

Supply Line

Fluid

Line

Fluid

Pressure

Regulator

Pump

Fluid

Supply

Air
Filter

Air Regulator

0896

The Model H.E.L.P. 1600B High Efficiency Low Pressure
Bleeder Spray Gun was designed to produce the highest
quality finish with today’s fluids as well as the the Low
V.O.C. 

(volatile organic compound) fluids of tomorrow.

This spray gun can spray most coatings or finishes cur-
rently being used for automotive refinish, industrial, aero-
space, marine, wood, plastic and architectural applica-
tions, while easily operating from any paint delivery sys-
tem, including pressure pots of any size, or remote
pumps for production line operation.

 If input air pressures are maintained at or below 15 psi
(1.05 bar), maximum air cap pressure will be 10 psi (0.7
bar), which is required to meet all new regulations.

The Typical Installation shown above is only a guide for
selecting and installing the equipment needed for an au-
tomatic spray system. It is not an actual system design.
For assistance in designing a system, contact your
Graco representative.

INSTALLATION

Ventilate the Spray Booth

WARNING

To prevent hazardous concentrations of toxic
and/or flammable vapors, spray only in a properly
ventilated spray booth. Never operate the spray
gun unless ventilation fans are operating.

Check and follow all of the National, State and
Local codes regarding air exhaust velocity
requirements.

Check and follow all local safety and fire codes.

Mount the Gun

Mount the gun on a 0.50 in. (12 mm) diameter rod mount-
ing fixture that allows adjustment of the spray pattern
direction and the distance from the workpiece.

Connect the Fluid Line

1.

Before connecting the fluid line, blow it out with air
and flush it with solvent. Use solvent which is com-
patible with the fluid to be sprayed.

2.

Install a fluid regulator on the fluid line to control fluid
pressure to the gun.

3.

Connect the fluid line to the 3/8–18 npsm (R 3/8–19)
gun fluid inlet.

Summary of Contents for H.E.L.P. 1600B

Page 1: ...es sure the gun was designed to operate safely under The Maximum Operating Air Pressure is the maximum inlet air pressure allowable to guarantee HVLP compliance If input pressures are maintained at or...

Page 2: ...em Fluid Compatibility BE SURE all fluids and solvents used are chemically compatible with the Wetted Parts shown in the TECH NICAL DATA on the back cover Always read the fluid and solvent manufacture...

Page 3: ...w regulations The Typical Installation shown above is only a guide for selecting and installing the equipment needed for an au tomatic spray system It is not an actual system design For assistance in...

Page 4: ...hen check the viscos ity of your fluid This gun is best suited for light to medium fluids Light Fluid 19 to 24 seconds No 2 Zahn cup Auto Furniture Appliances Fine Finish Metallics Top Coats Lacquer E...

Page 5: ...achieved Always use the low est possible atomizing air pressure to obtain the de sired results To Operate the Gun Adjust the system s sensing device so the gun starts spraying just before meeting the...

Page 6: ...th a fine bristled brush provided with the gun 4 To clean out air cap holes use a soft implement such as a toothpick to avoid damaging critical surfaces Clean the air cap and fluid nozzle daily minimu...

Page 7: ...clogged end Damaged fluid nozzle or air cap holes Replace damaged part Fluid build up on the perimeter of fluid Remove obstruction Never use wire nozzle orifice or partially clogged fluid or hard ins...

Page 8: ...ocedure Warning on page 6 to relieve fluid pressure 2 Unscrew and remove the fluid needle guide 8 3 Carefully pull the fluid needle 1 out of the piston 12 4 Unscrew the packing nuts 9 and remove the p...

Page 9: ...replacing CYL air fitting 4b not shown here see Parts Drawing apply Loctite PST Pipe Sealant or equivalent PACKING DETAIL 10 PACKING DETAIL 16 0898 0900 Lubricate periodically with light grease DIMENS...

Page 10: ...ES for other sizes 1 3 110 864 AIR CAP 1 4 223 282 GUN BODY Includes items 4a 4b 1 4a 106 786 FITTING fluid includes gasket washer 1 4b 106 690 FITTING air 1 4c 185 771 LABEL instruction 1 5 107 824 V...

Page 11: ...ONNECTOR elbow 1 8 npt m 1 2d 104 192 COUPLING pipe 1 8 npt f 1 2e 102 730 GAUGE 0 to 15 psi 0 to 1 bar pressure range 1 AIR FILTER MOISTURE SEPARATOR 250 psi 17 5 bar MAXIMUM WORKING PRESSURE For cle...

Page 12: ...ment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed...

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