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Graco H.E.L.P. 1600 Instructions-Parts List Manual

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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Model H.E.L.P. 1600
STAINLESS STEEL FLUID PASSAGES
High Efficiency Low Pressure
Automatic Air Spray Gun
100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Pressure
100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure*
65 psi (444 kPa, 4.5 bar) Maximum Operating Air Pressure**
* The Maximum Working Air Pressure is the maxi-
mum air pressure the gun was designed to operate
safely under.
** The Maximum Operating Air Pressure is the maxi-
mum inlet air pressure allowable to guarantee HVLP
compliance. If input pressures are maintained at or
below 65 psi (444 kPa, 4.5 bar), internal restrictors
will reduce this to 10 psi (70 kPa, 0.7 bar) maximum
air cap pressure.

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GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
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COPYRIGHT 1990, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
First choice when
quality counts.
Part No. 110-863
Includes 0.070 in. (1.8 mm) fluid nozzle
308-044
Rev. G
Supersedes F

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

  • Page 1: Table Of Contents

    Graco Toll-Free Phone Numbers ....GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1990, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Warnings

    This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. Do not alter or modify this equipment. Use only genuine Graco parts and accessories.

  • Page 3: Fire And Explosion Hazard

    WARNING PRESSURIZED EQUIPMENT HAZARD Spray from the gun, hose leaks or ruptured components can splash fluid in the eyes or on the skin and cause serious injury. Do not stop or deflect fluid leaks with your hand, body, glove or rag. Follow the Pressure Relief Procedure on page 6 when: you are instructed to relieve pressure;...

  • Page 4: Installation

    (444 kPa, 4.5 bar), internal restrictors in the Model H.E.L.P. 1600 Spray Gun will reduce the air line pres- Check and follow all local safety and fire codes. sure to 10 psi (70 kPa, 0.7 bar) maximum air cap pressure, which is required to meet all new regulations.

  • Page 5: Connect The Fluid Line

    Installation Connect the Fluid Line 3. Connect an atomizing air supply line (F) to the 1/4–18 npsm (R 1/4–19) gun air inlet marked 1. Before connecting the fluid line (B), blow it out with ATOM. air and flush it with solvent. Use solvent which is compatible with the fluid to be sprayed.

  • Page 6: Operation

    Operation Pressure Relief Procedure NOTE: A Remote Fan Valve Kit is available. See Accessories. WARNING Adjust the Pattern Size Turn the fan adjustment valve (5) out (counterclock- PRESSURIZED EQUIPMENT HAZARD wise) to make the spray pattern wider. The system pressure must be manually relieved to prevent the system from starting or spraying acci- NOTE: The pattern width at the widest adjustment is dentally.
  • Page 7 Operation Spray Pattern Direction WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pres- sure Relief Procedure on page 6. The direction of the spray pattern is determined by the position of the air cap (3).

  • Page 8: Maintenance

    Lubricate the exposed portion of the fluid needle (1) until all traces of paint are removed from the gun daily with Graco TSL or light oil. See Fig. 3, page 13. passages. Periodically lubricate the needle spring (7) and cylinder 2.
  • Page 9 Notes 308–044...

  • Page 10: Troubleshooting

    Troubleshooting NOTE: WARNING Check all possible causes and solutions in the Troubleshooting Chart before disassembling the PRESSURIZED EQUIPMENT HAZARD gun. To reduce the risk of serious injury, follow the Some improper patterns are caused by the Pressure Relief Procedure on page 6 before you improper balance between air and fluid.
  • Page 11 Troubleshooting Problem Cause Solution Fluid packing nut leaking. Loose needle packing nut (9). Tighten. Worn needle packings (10). Replace. Air leakage from front of gun. Air valve (12, 13) not seating properly. Clean, service. Fluid leakage from front of gun. Needle (1) worn or damaged.

  • Page 12: Service

    Service Fluid Packing Replacement WARNING If fluid leakage cannot be stopped by tightening the packing nuts (9), replace the fluid packings (10, 16). PRESSURIZED EQUIPMENT HAZARD Service as instructed below; refer to Fig. 3. To reduce the risk of serious injury, follow the Pressure Relief Procedure on page 6 before you 1.
  • Page 13 Service PACKING DETAIL 10 PACKING DETAIL 16 7, 11 Apply Loctite 242 or equivalent. Torque to 20 ft-lb (27 N m). Apply Loctite PST pipe sealant or equivalent. Lubricate daily with lightweight oil. Lubricate periodically with lightweight grease. Fig. 3 308–044...

  • Page 14: Parts

    Parts Model H.E.L.P. 1600 Automatic Air Spray Gun Ref. Ref. Part No. Description Qty. Part No. Description Qty. 107–802 NEEDLE, fluid 107–821 SPRING, compression, air valve 187–274 NOZZLE, fluid; 0.070” (1.8 mm); 107–820 PISTON 107–822 PACKING, u-cup; buna-N See ACCESSORIES for other sizes 107–819...
  • Page 15 Notes 308–044...

  • Page 16: Accessories

    Accessories Use Only Genuine Graco Parts and Accessories Throat Seal Liquid (Tsl) 206–995 Air Filter & Moisture Separator 250 psi (1.7 Mpa, 17.4 bar) Maximum Working 1 quart (0.97 liter) non-evaporating lubricant for air and fluid packings. Pressure For cleaning and drying air in air spray system.
  • Page 17 Accessories Fluid Regulator Fluid Nozzle/Needle Combinations* 250 psi (1.7 MPa, 17.4 bar) Maximum Working Pressure Order Part Number Orifice Nozzle Needle To reduce and regulate fluid pressure to one air spray Type Size Only Only gun. 3/8 npsm(m) and 3/8 npt(f) fluid outlets 0N/0N 0.032”...

  • Page 18: Dimensional Drawing

    Dimensional Drawing Reference Dimension Reference Dimension 1.88 in. (47.8 mm) 6.73 in. (171 mm) 2.37 in. (60.2 mm) .56 in. (14.2 mm) 3.56 in. (90.4 mm) .50 in. (12.75 mm) Dia. Mounting Hole 3/8–18 npsm/R3/8–19 1/4–18 npsm/R1/4–19 Comb. Ext. Thd. Fluid Inlet Comb.

  • Page 19: Air Flow Charts

    Air Flow Charts Reduced Air Pressure Range at Front of Gun Total Air Flow (scfm) Maximum Range Minimum Range Gun Inlet Pressure (psi) Gun Inlet Pressure (psi) 308–044...

  • Page 20: Warranty

    Graco distributor to the original purchaser for use. With the exception of any special extended or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

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