Graco 980 Instructions Manual
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Graco 980 Instructions Manual

Graco 980 Instructions Manual

Non-bleeder style turbine spray guns
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INSTRUCTIONS–PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Model 980
Non-Bleeder Style Turbine Spray Guns
50 psi (0.35 MPa, 3.5 bar) Maximum Inlet Fluid Pressure
100 psi (0.7 MPa, 7 bar) Maximum Inlet Air Pressure
Model 980S
Includes 1-quart (1 liter) cup
240090 Model 980S, without fluid set
240093 Model 980S, with # 3 fluid set
240094 Model 980S, with #4 fluid set
240095 Model 980S, with #5 fluid set
240098 Model 980S, with #3 fluid set , flat bottom cup
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
8066B
ECOPYRIGHT 1998, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308810
Model 980P
240100 Model 980P, without fluid set
240103 Model 980P, with # 3 fluid set
Rev. F
8065A

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  • Page 1 240094 Model 980S, with #4 fluid set 240095 Model 980S, with #5 fluid set 240098 Model 980S, with #3 fluid set , flat bottom cup GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 1998, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    ....... . This symbol alerts you to the possibility of damage to Graco Standard Warranty ..... .
  • Page 3 D Use the equipment only for its intended purpose. If you are not sure, call your distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories. D Check equipment daily. Repair or replace worn or damaged parts immediately.

  • Page 4: Setup

    Setup Connect the Fluid and Air Supply CAUTION NOTES: Model 980 non-bleeder style spray guns are for D The HVLP Cart/Compressor provides the air supply use with Graco GTS Turbine Systems. Do not use for the remote pressure pot. with previous models of Graco or Croix turbines.
  • Page 5 Setup 05289 Fig. 2 Prepare the 980 Cup Gun for Pressure Prepare the Fluid Feed 1. Always strain fluid before you spray. This includes color, reducer, and hardeners. 1. Remove air pressure tube (31) from air stem (34). See parts drawing on page 22.
  • Page 6 Setup Fill the Cup or Remote Pressure Pot Spray Gun Cup 206c WARNING The spray gun cup is pressurized by the gun’s air supply. To reduce the risk of serious injury from pressurized fluid or accidental spray from the gun, always turn off the air supply to the gun before removing the spray gun cup.
  • Page 7 Setup Prepare the Surface HVLP Compressor/Cart Cold Weather Operation To achieve proper adhesion, make sure the surface to be sprayed is completely clean. The HVLP compressor/cart uses a diaphragm compressor. When new, the diaphragm may become Turbine Operation stiff in cold weather. If cold enough, the diaphragm will not allow the compressor motor to start (the unit will WARNING hum).
  • Page 8 Setup Adjust the Spray Pattern Select fluid set for fluid to be sprayed. If needed, see WARNING page 10 to determine correct fluid set. Over-pressurizing the accessory remote pres- WARNING sure pots can cause serious injury. To reduce the risk, never exceed 50 psi (0.35 MPa, Do not exceed the gun’s 50 psi (0.35 MPa, 3.5 bar) Maximum Inlet Fluid Pressure.
  • Page 9 Setup Establish the Correct Air Flow Adjust the Pattern Size 4. Test spray pattern and atomization while holding Change pattern size by turning air cap retaining ring in gun about 6 to 8 inches (150 to 200 mm) from test for a wide pattern or out for a narrow pattern.
  • Page 10 Setup Contractor Fluid Set Chart Use this chart to determine Fluid Set for specific contractor application. See Fig. 11. Fluid Set Components Fluid Set Type of Fluid Usage P/N & Size Air Cap Nozzle Needle Fluid** 240112 240490 192911 192916 light Fine finish work with stains, lacquers, water- 14 to 18 sec.
  • Page 11 Setup Using Fluid Set Charts Selecting Fluid Sets Turbine Spray Gun includes a #3 fluid set, Part No. Turbine spray gun fluid sets range in size to provide 240113. The size of air cap, fluid nozzle, and fluid different fluid flow rates. Selection charts on page 10 needle are marked on the parts.

  • Page 12: Shutdown

    Shutdown Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARD 206c The equipment stays pressurized until pressure is manually relieved. To reduce the risk of a serious injury from pressurized fluid, accidental spray from the gun, or splashing fluid, follow the Pressure Relief Procedure whenever you D Are instructed to relieve the pressure D Stop spraying...

  • Page 13: Spraying Techniques

    Spraying Techniques General Spraying Techniques D Select proper fluid set. To determine correct fluid set see charts on page 10. 6 to 8 in. (150 to 200 mm) D When fluid is first applied, start with fluid nozzle and air cap adjusted to “normal spray pattern” position. Then adjust as needed.
  • Page 14 Maintenance Flushing the Spray Gun Using a Remote 5. Relieve pressure pot pressure, following steps 2.a and b, above. Pressure Pot 6. Disconnect air and fluid hoses from gun. WARNING 7. Clean and lubricate gun as instructed starting on page 15. The spray gun cups and accessory remote pres- Flushing the Spray Gun and Cup sure pots remain pressurized until pressure is...
  • Page 15 Maintenance Cleaning the Spray Gun 5. Soak air cap, detent plate and fluid nozzle in solvent. At a minimum, clean air cap and fluid 1. Clean gun and cup by hand with compatible nozzle daily. Use solvent and brush (R), provided. solvent or place them in gun washer with trigger See Fig.

  • Page 16: Service

    7. Make sure spring (23) is in place in fitting (22), Fluid Needle Assembly then install fitting. Hand-tighten fitting. 2 in. (50.8 mm) 02949 Fig. 19 More Travel 1/16 in. Less Travel (2 mm) 8077A free travel Model 980 shown 8669A Fig. 20 308810...
  • Page 17 Service Adjusting the Needle Packings Needle packings require adjustment once a month DETAIL under normal use to ensure fluid does not leak back through packings. Needle packings must also be adjusted whenever the needle is removed or adjusted. To adjust the needle packings: 1.
  • Page 18 Service Replacing the Air Valve 1. Loosen quick disconnect coupling (24) and remove 5. Using installation/removal tab, insert valve handle (23). See Fig. 24 and parts list. assembly (42) into gun body (1) with the hook of valve (C) oriented towards the front of the gun. Make sure valve assembly (42) is fully seated in the locking flats in the gun body.
  • Page 19 Notes 308810...

  • Page 20: Troubleshooting

    Troubleshooting Spray Finish Problems PROBLEM CAUSE SOLUTION D Maintain proper spraying distance. Orange peel finish — Paint Paint droplets too large surface not smooth See page 13. D Keep the turbine air filters clean to allow full air flow. See page 13. D Do not use an air hose that is too long to provide sufficient atomization pressure.
  • Page 21 Troubleshooting Spray Gun Problems PROBLEM CAUSE SOLUTION No or slow fluid flow, Wrong size fluid set being used Select the proper fluid set for the fluid intermittent spray, or being sprayed. See page 10. fluttering spray Air cap adjusted too far forward Adjust the air cap to “normal”...

  • Page 22: Parts Model 980S

    Parts for Model 980S NOTE: The air cap (29), fluid nozzle (25), and fluid needle parts (13 to 17) are available as complete fluid sets. See page 10 for part numbers. 8080C 308810...
  • Page 23 Parts for Model 980S 240090 Model 980S, without fluid set 240093 Model 980S, with # 3 fluid set 240094 Model 980S, with #4 fluid set 240095 Model 980S, with #5 fluid set 240098 Model 980S, with #3 fluid set, flat bottom cup Part No.

  • Page 24: Model 980P

    Parts for Model 980P 7 30 NOTE: The air cap (29), fluid nozzle (25), and fluid needle parts (13 to 18) are available as complete fluid sets. See page 10 for part numbers. 8081A 240100 Model 980P, without fluid set 240103 Model 980P, with #3 fluid set Part No.

  • Page 25: Accessories

    Accessories Gun Cleaning Kit — M70612 Includes packing adjustment wrench and cleaning brush Lubricant — 111265 4-oz (113 g) tube of sanitary (non-silicone) lubricant for fluid seals and wear areas Cup Check Valve — 240990 Prevents cup from depressurizing after air is shut off to gun Technical Data Maximum inlet fluid pressure .

  • Page 26: Graco Standard 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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