Graco Delta Spray 7031A Instructions-Parts List Manual
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Graco Delta Spray 7031A Instructions-Parts List Manual

Graco Delta Spray 7031A Instructions-Parts List Manual

Air spray gun
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Instructions - Parts List
Parts
Delta Sprayt 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
U.S. Patent 6,019,293
Taiwan Patent 199585
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Read warnings and instructions.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2002, Graco Inc. is registered to I.S. EN ISO 9001
7597A

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Summary of Contents for Graco Delta Spray 7031A

  • Page 1: Table Of Contents

    ......Read warnings and instructions. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 2002, Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Symbols

    D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
  • Page 3 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. D Do not stop or deflect fluid leaks with your hand, body, glove or rag. D Follow the Pressure Relief Procedure on page 13 when: you are instructed to relieve pressure;...

  • Page 4: Selection Charts

    Selection Charts TERMS: Light Fluid: Up to 18 seconds with No. 2 Zahn cup (20 centipoise) Medium Fluid: 19 to 28 seconds with No. 2 Zahn cup (20–64 centipoise) Heavy Fluid: Greater than 28 seconds with No. 2 Zahn cup (greater than 64 centipoise) -- 2.8 Volatile Organic Compounds, High-solid Polyurethanes, Heavy Waterborne Enamels NOTE: See pages 24–27 for further part number information.
  • Page 5 Selection Charts Gravity Feed Guns Gun Assy. Includes: Needle/ Air Cap** Orifice Pattern Material Usage: Nozzle Kit Size Length{ Part No. Type Part No. Part No. Viscosity Flow in. (mm) in. (mm) oz./min. (l/min.) 239710 239592 192317 gravity 0.055 (1.397) 9 (229) light-medium 4–10 (0.12–0.30)
  • Page 6 Selection Charts Air Spray Gun and Siphon Cup Assemblies Optional Air Spray Air Caps Includes: Air Cap Pattern Type Pattern Gun and Cup Gun and Cup Part No. Length{ Gun Part No. Cup Part No. Assy. Part No. in. (mm) 1 qt.

  • Page 7: Air Flow Charts

    Air Flow Charts NOTE: All tests were completed with the 0.055 in. (1.397 mm) nozzle and the pattern adjustment valve fully open. Standard Large Pattern Air Cap Optional Low Pressure Air Cap Part No. 192315 Part No. 192314 GUN INLET PRESSURE (psi) GUN INLET PRESSURE (psi) Optional Small Pattern Air Cap Optional Gravity/Siphon Air Cap...

  • Page 8: Typical Installation

    Typical Installation Delta Spray Gun See page 4 for gun part numbers. Fluid Inlet; 3/8 npsm (R3/8–19) Air Swivel Inlet; 1/4 npsm (R1/4–19) Air Hose Recommend 5/16” (7.9 mm) I.D. hose Air Shut-off Valve Air Regulator G Air Filter Air Supply Line 07600A The Delta Spray air spray gun was designed to pro- Ventilate the Spray Booth...

  • Page 9: Setup

    Setup 1. Connect the Air Line 2. Connect the Fluid Hose NOTE: NOTE: D You must install an air pressure regulator (F) on the D Before connecting the fluid line, blow it out with air gun air line to control air pressure to the gun. See and flush it with solvent.
  • Page 10 Setup 3. Flush the Spray Gun. 6. Adjust the Spray Pattern Before putting any paint through the spray gun, flush WARNING the gun out with a solvent that is compatible with the fluid to be sprayed, using the lowest possible fluid COMPONENT RUPTURE HAZARD pressure and a grounded metal container.
  • Page 11 Setup 6. Adjust the Spray Pattern (continued) NOTE: A larger fluid nozzle at a reduced fluid pressure will maintain the same flow rate, but slow down the B. Adjust the fluid flow using the fluid pressure fluid stream (velocity). When air is applied, this allows regulator (L) installed in the gun fluid line.
  • Page 12 Setup 6. Adjust the Spray Pattern (continued) G. Test the spray pattern and atomization while hold- ing the gun about 8 to 10 inches (200 to 254 mm) NOTE: from the test piece. D If the fluid adjustment knob is turned in all the way H.

  • Page 13: Operation

    Operation Pressure Relief Procedure Applying the Fluid 1. To achieve the best results when applying fluid, WARNING keep the gun perpendicular to the surface and maintain a consistent distance of approximately 8 PRESSURIZED EQUIPMENT HAZARD to 10 inches (203 to 254 mm) from the object The system pressure must be manually relieved to being sprayed.

  • Page 14: Daily Gun Care, Flushing, And Cleaning

    Daily Gun Care, Flushing, and Cleaning WARNING CAUTION PRESSURIZED EQUIPMENT HAZARD Clean all parts with a non-conductive solvent, com- To reduce the risk of a serious injury whenever you patible with the fluid being sprayed. Conductive are instructed to relieve pressure, follow the Pres- solvents can cause the gun to malfunction.
  • Page 15 Daily Gun Care, Flushing, and Cleaning 4. Point the gun down into a grounded metal con- WARNING tainer, and flush the gun with solvent until all traces of paint are removed from the gun passages. PRESSURIZED EQUIPMENT HAZARD To reduce the risk of a serious injury whenever you are instructed to relieve pressure, follow the Pres- sure Relief Procedure on page 13.
  • Page 16 Daily Gun Care, Flushing, and Cleaning 8. Remove the air cap retaining ring (15) and air cap 12. With the gun pointed down, clean the front of the (14). gun, using the soft-bristle brush and solvent. 9. Trigger the gun while you remove the fluid nozzle (12) from the gun with the gun tool (28).
  • Page 17 Daily Gun Care, Flushing, and Cleaning 14. Trigger the gun while you install the fluid nozzle 17. After cleaning the gun, lubricate the following parts (12) with the gun tool (28). Tighten the nozzle with lubricant 111265 daily: securely to 125–135 in-lb (14–15 NSm) to obtain a good seal.

  • Page 18: Troubleshooting

    Troubleshooting WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of a serious injury, follow the Pres- sure Relief Procedure on page 13 before checking or repairing any part of the gun or system. PROBLEM CAUSE SOLUTION Fluid flow is fluttering while spraying 1.

  • Page 19: Service

    Service Items Needed for Service D Gun Tool – provided D Packing Installation Tool – provided 14, 15 D Adjustable Wrench D Screw Driver D Lubricant part no. 111265; see Accessories, page 30, to order D Compatible Solvent Fluid Packings Replacement WARNING PRESSURIZED EQUIPMENT HAZARD 7028A...
  • Page 20 Service 12. Place the new fluid packings (5) and packing 20. To avoid galling of the fluid nozzle seat in the insert screw (8) onto the needle (13). See Fig. 27 for the (4), apply a thin film of lubricant to the seat. Trigger orientation of the parts.
  • Page 21 Service 22. To tighten the packing screw (8), turn the screw in 1. Relieve the pressure. until it touches the fluid packings (5), then tighten one full turn to pre-set the packings. Loosen the 2. Remove the air cap retaining ring (15) and air cap screw, then turn it in until it touches the packings (14).
  • Page 22 Service 11. Place the new fluid packings (5) and packing 25. Install the new u-cup seal (20) with the seal instal- screw (8) onto the needle (13). See Fig. 27, page lation tool (29); the u-cup lips must face toward the 20, for the orientation of the parts.
  • Page 23 Service NOTE: To ensure proper alignment of the parts, follow 33. Install the needle spring (23) and fluid adjustment the next steps in the order they are given. knob (21). 27. Slide the insert (4) into the spray housing (2a), and 34.

  • Page 24: Parts

    Parts Item 2 includes 2a–2b Item 13 includes item 13a Item 25 includes 25a–25d 7584A 308742...
  • Page 25 Parts Part No. 239540 to 239549 and 243522 Pressure and Siphon Feed Air Spray Gun Assembly Ref. Part No. Description Qty. Ref. Part No. Description Qty. 239721 BODY, gun 192355 NUT, fluid valve 239652 SPRAY HOUSING ASSY.; 110453 U-CUP Includes items 2a–2b 192266 KNOB, fluid adjustment S HOUSING, spray;...
  • Page 26 Parts Item 2 includes 2a–2b Item 13 includes item 13a Item 25 includes 25a–25d 7583A 308742...
  • Page 27 Parts Part No. 239710 and 239711 Gravity Feed Air Spray Gun Assembly Ref. Part No. Description Qty. Ref. Part No. Description Qty. 239721 BODY, gun 192355 NUT, fluid valve 239652 SPRAY HOUSING ASSY.; 110453 U-CUP Includes items 2a–2b 192266 KNOB, fluid adjustment S HOUSING, spray, gravity;...
  • Page 28 Parts Item 2 includes 2a–2b Item 13 includes item 13a TI0245 308742...
  • Page 29 Parts Part No. 243640 Spatter or Specking Air Spray Gun Assembly Ref. Part No. Description Qty. 196109 AIR CAP 239953 RING, air cap retaining 239721 BODY, gun 188493 U-CUP 239652 SPRAY HOUSING ASSY.; 192272 PIN, pivot Includes items 2a–2b 192355 NUT, fluid valve S HOUSING, spray, gravity;...

  • Page 30: Accessories

    Accessories Cleaning Brush 105749 Gun Air Regulator Assy. 235119 7614A For use in cleaning gun 0–100 psi (0–0.7 MPa, 0–7 bar) air regulator to control air pressure to Lubricant 111265 One 4 oz. (113 gram) tube sanitary (non-silicone) lubricant for fluid seals and wear areas. NOTE: Installing the gun air regula- tor adds a pressure drop that could limit the air cap pressure.

  • Page 31: Dimensions

    Dimensions Technical Data 6.7 in. Category Data (170 mm) Maximum Working Fluid 100 psi (0.7 MPa, 7 bar) Pressure Maximum Working Air 100 psi (0.7 MPa, 7 bar) Pressure Fluid and Air Operating 32_ F to 140_ F (0_ C to Temperature Range 60_ C) 7.6 in.
  • Page 32 Notes 308742...
  • Page 33 Notes 308742...

  • Page 34: 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.

This manual is also suitable for:

Delta spray 7597a

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