Graco AUTOMATIC XT SPAY GUNS 311051D Instructions - Parts Manual
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Graco AUTOMATIC XT SPAY GUNS 311051D Instructions - Parts Manual

Graco AUTOMATIC XT SPAY GUNS 311051D Instructions - Parts Manual

Automatic xt spray guns
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Instructions - Parts
Automatic XT Spray Guns
Airspray, HVLP, and Compliant guns for spraying paints and coatings.
See page 3 for model information.
100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Pressure
100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Part No. 249369 Airspray Gun shown mounted on
Part No. 288221 Manifold.
Part No. 249377 Airspray Gun with fluid control
shown mounted on Part No. 288223 Manifold.
TI8085a
311051D
TI8169a
II 2 G c T6

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Summary of Contents for Graco AUTOMATIC XT SPAY GUNS 311051D

  • Page 1 Instructions - Parts Automatic XT Spray Guns Airspray, HVLP, and Compliant guns for spraying paints and coatings. See page 3 for model information. 100 psi (0.7 MPa, 7 bar) Maximum Working Fluid Pressure 100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure Important Safety Instructions Read all warnings and instructions in this manual.

  • Page 2: Table Of Contents

    Related Manuals Contents Related Manuals ......2 Models ........3 Warnings .

  • Page 3: Models

    Models A manifold is required for each gun to be installed. Refer to the Parts section for manifold information. Orifice Size in. (mm) .030 (0.75) .042 (1.0) .055 (1.4) .070 (1.8) *.042 (1.0) Hardened SST *.055 (1.4) Hardened SST .030 (0.75) with Fluid Control Knob .042 (1.0) with Fluid Control Knob .055 (1.4) with Fluid Control Knob .070 (1.8) with Fluid Control Knob...

  • Page 4: Warnings

    Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable.
  • Page 5 TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or swallowed. • Read MSDS’s to know the specific hazards of the fluids you are using. •...

  • Page 6: Selection Charts

    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) HVLP Spray Gun Assemblies Includes: Gun Assy. Needle/ Nozzle Kit Part No.
  • Page 7 Compliant Spray Gun Assemblies Includes: Gun Assy. Needle/ Nozzle Kit Part No. Part No. 249407 15F829 249408 15F830 249409 15F831 249410 15F832 288049* 15F835* 288050* 15F836* 249411† 15F829 249412† 15F830 249413 15F831 249414† 15F832 * Hardened SST needle tip/nozzle (not recommended for thin fluids). All other models have PEEK needle tip. †...

  • Page 8: Proper Needle/Nozzle Selection

    Selection Charts Proper Needle/Nozzle Selection The spray gun's needle/nozzle kits range in size to pro- vide different fluid flow rates. As a general guideline, use the fluid nozzle that will give the required flow with the needle fully triggered at a fluid pressure of 5-20 psi (0.035 MPa, 3.5 bar - 0.14 MPa.

  • Page 9: Air Flow

    Air Flow All tests were completed with the 0.055 in. (1.4 mm) nozzle and standard air cap for each gun model. . 1: HVLP Gun Air Cap Pressure . 2: Automatic Gun Air Consumption 311051D HVLP Aircap Pressures Manifold Inlet Pressure psi Automatic Gun Air Consumption Manifold Inlet Pressure psi HVLP Atomization Air...

  • Page 10: Installation

    Installation Installation The Automatic XT spray guns were designed to produce the highest quality finish with today's fluids as well as 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, industrial, aerospace, marine, wood, plastic and architectural applications, while easily operating from paint delivery systems, such...

  • Page 11: Install Air Fittings

    Install Air Fittings 1. Install the supplied 1/4 in. tube fitting into the cylin- der (CYL) air port. 2. Install 3/8 in. tube fittings into the atomization (ATOM) air port and the fan (FAN) air port. . 4: Air Fittings Ground System The following grounding instructions are minimum requirements for a system.

  • Page 12: Mount Gun

    Installation Mount Gun Reciprocating Arm Rod Mount To mount the gun on a reciprocating arm rod [0.5 in. (13 mm) diameter maximum]: 1. Insert the mounting bar (A) through the hole in the manifold as shown in F . 5. Use the 1/8 in.

  • Page 13: Setup

    Setup Connect Air Line You must install an air pressure regulator (F) on each gun air line to control air pressure to the gun. See F . 8. If your regulated air source does not have a filter, install an air filter (G) on each air line to ensure a dry, clean air supply to the gun.

  • Page 14: Flush Spray Gun

    Setup N Cylinder Air Inlet: accepts 1/4 in. (6.3 mm) O.D. tubing P Atomization Air Inlet: 3/8 in, (9.5 mm) O.D. tubing R Fan Air Inlet: 3/8 in. (9.5 mm) O.D, tubing S Fluid Inlet: 1/4 npsm T Fluid Outlet (circulating gun only): 1/4 npsm Side Mounted Manifold Ports T (or S) ATOM...

  • Page 15: Adjust Spray Pattern

    Adjust Spray Pattern Do not exceed 100 psi (0.7 MPa, 7 bar) maximum fluid and air pressure. Higher pressures can cause parts to rupture and result in serious injury. The spray gun fluid flow is controlled by the fluid pres- sure regulator and the fluid control knob.
  • Page 16 Setup . 13: Air Pressure Regulator 3. Test the spray pattern atomization while keeping the gun a consistent distance, about 6 to 8 inches (150 to 200 mm), from the test piece. Check the atomization quality. Increase the gun atomizing air supply pressure with the air pressure regulator in 5 psi (34 kPa, 0.3 bar) increments until you obtain the desired atomization.

  • Page 17: Operation

    Operation Pressure Relief Procedure 1. Turn off all bleed type air valves and all other air and fluid supplies to the gun. 2. Trigger the gun into a grounded metal waste con- tainer to relieve air and fluid pressure. . 14: Pressure Relief Apply Fluid The spray gun has a built-in lead and lag operation.

  • Page 18: Daily Gun Care

    Daily Gun Care Daily Gun Care CAUTION Methylene chloride with formic or propionic acid is not recommended as a flushing or cleaning solvent with this gun as it will damage aluminum and nylon compo- nents. Solvent left in gun air passages could result in a poor quality paint finish. Do not use any cleaning method which may allow solvent into the gun air passages.

  • Page 19: General System Maintenance

    General System Maintenance • Perform Pressure Relief Procedure, page 17. • Clean the fluid and air line filters daily. • Check for any fluid leakage from the gun and fluid hoses. Tighten fittings or replace equipment as needed. • Flush the gun before changing colors and whenever you are done operating the gun.

  • Page 20: Troubleshooting

    Troubleshooting Troubleshooting Check all possible remedies in the troubleshooting charts before disassembling the gun. Some improper patterns are caused by the improper balance between air and fluid. Refer to Spray Pattern Troubleshooting, page 22. General Troubleshooting Problem Fluid leakage through venting holes. Air leakage through venting hole.
  • Page 21 Problem Fluid needle will not trigger. Fluid does not shut off. 311051D Cause Loose or missing fluid needle stop (29) or setscrew (30). Air leaking around piston (3). Swollen piston o-ring (8). Insufficient air pressure on trigger. Plug (19) is in incorrect fluid port. Worn o-ring (11) or (9).

  • Page 22: Spray Pattern Troubleshooting

    Troubleshooting Spray Pattern Troubleshooting Problem Fluid flow is fluttering while spraying. Fluid nozzle is not tight enough. Fluid flow fades while spraying high viscosity fluids. Pattern becomes off-set of heavy on ends. Gun fluid pressure is too high with gun triggered. Fluid system will not operate at low enough fluid pressure [below 10 psi (70 kPa, 0.7 bar)].

  • Page 23: Service

    Service Items Needed for Service • 1/16 in. Hex Wrench - provided • 3 mm Hex Wrench • Adjustable Wrench • 4 mm Hex Wrench • Pliers • Lubricant part no. 111265; see Accessories, page 33, to order • Compatible Solvent Replace Fluid Packings and Air Seals Air Section Repair Kit 288171 and Fluid Section...
  • Page 24 Service 13. Remove all o-rings from the piston (3) and stems (T). Check that the stems are solidly in place. If they are loose, replace the entire piston assembly (3). 14. Perform the following applicable step: a. Non-circulating guns: Remove the fluid outlet port plug (19), and gasket (22) from the fluid housing (2).

  • Page 25: Reassembly

    Reassembly 1. Non-circulating guns only: Lubricate the backup ring (20†) and o-ring (21†) and install them on the fluid outlet port plug (19). Install the plug in the fluid out- let port of the fluid housing (2). See F 2. All guns: Reinstall the gasket (22) in the fluid hous- ing (2).

  • Page 26: Parts

    Parts Parts SERVICE NOTES: Torque to 35-45 in-lb (4.0-5.1 N•m) Lubricate threads with anti-seize lubricant Lubricate with light-weight oil Tighten cap (4) until it bottoms out Apply semi-permanent anaerobic sealant Torque to 4-5 in-lb (0.45-0.57 N•m) Torque to 95-105 in-lb (10.7-11.8 N•m) Apply semi-permanent anaerobic sealant to two threads at end of needle shaft.
  • Page 27 Parts Ref. Part No. Description BODY 15H321 HOUSING, fluid 240895 PISTON, assy CAP, piston 192453 standard models 288091 fluid control models 5★ NEEDLE, assy 5a★ TIP, needle 114139 SPRING, compression 114138 SPRING, compression 115066 PACKING, o-ring, fluoroelastomer 111450 PACKING, o-ring, fluoroelastomer 111504 PACKING, o-ring, fluoroelastomer 112319 PACKING, o-ring, fluoroelastomer 114134 GASKET, polyethylene (bottom)
  • Page 28 Parts Spray Gun Assemblies (all models) Needle/Nozzle Kit Includes items Gun Part No. 5 & 23 249388 249407 249369 15F829 249396† 249411† 249377† 249388 249407 249369 15F830 249397† 249412† 249378† 249390 249409 249371 15F831 249398† 249413† 249379† 249391 249410 249372 15F832 249399†...
  • Page 29 Part No. 288221 Manifold with bottom fluid ports Ref. Part No. Description MANIFOLD, bottom fluid ports 120388 FITTING, tube, air inlet; 1/4 in. OD tube x 1/8 npt(m) 114246 SCREW, set; 5/16;0.437 in. long 166846 NIPPLE, SST; 1/4 npsm, straight pipe thread x 1/4 npt 120389 FITTING, tube, air line;...
  • Page 30 Parts Part No. 288217 North America Manifold with side fluid ports Part No. 288218 International Manifold with side fluid ports Ref. Part No. Description MANIFOLD, side fluid ports 120388❖ FITTING, tube, air inlet; 1/4 in. OD tube x 1/8 npt(m) 120538◆...
  • Page 31 Part No. 288223 North America Manifold with side fluid ports and fan adjustment valve Ref. Part No. Description 196559 MANIFOLD, fan adjustable 243949 VALVE, fan, assy. 120388 FITTING, tube, air inlet; 1/4 in. OD tube x 1/8 npt(m) 120389 FITTING, tube, air line; 3/8 in.OD tube x 1/4 npt 114246 SCREW, set;...
  • Page 32 Parts Part No. 288160 Rear Port Manifold, North America Part No. 288211 Rear Port Manifold, International Ref. Part No. Description MANIFOLD, aluminum FITTING, fluid path 15H521❖ 1/4 npsm 15J003◆ #5 JIC 116475 SCREW, SHCS, M4 x 12 120353 O-RING, PTFE 15J077 O-RING, PTFE 114246...

  • Page 33: Accessories

    Accessories Cleaning Brush 105749 For use in cleaning gun. Lubricant 111265 One 4 oz. (113 gram) tube sanitary (non-silicone) lubri- cant for fluid seals and wear areas. Fluid Hose Parts Breakdown Part No. Description 239629 FITTING, assy, swivel 061345 TUBING, 1000 ft. (305 m) roll Alternate Nozzle Sizes Needle/ Needle...

  • Page 34: Dimensions

    Dimensions Dimensions 2.0 in. (50.8 mm) TI8104a 3.86 in. (98.0 m) 5.3 in. (134.6 mm) 6.41 in. (162.81 mm) with fluid control knob 3.0 in. 1.395 in. (76.2 mm) (35.43 mm) 0.5 in. (12.7 mm) mounting hole TI8181a 2.76 in. (70.1 mm) Part No.

  • Page 35: Mounting Hole Layout

    Mounting Hole Layout 0.805 in. (20.5 mm) 0.187 in. (4.8 mm) . 29: Manifold Mounting Hole Layout 311051D 0.5 in. (12.7 mm) mounting hole 0.4 in. Two M5 x 0.8 x 0.25 in. (10.2 mm) (6.3 mm) holes 1.375 in. (35 mm) Two 0.128 diameter x 2.125 in.

  • Page 36: Mounting Hole Layout

    Mounting Hole Layout Mounting Hole Layout Rear Port Manifold Rear Port Manifold 3.200 in. (81.28 mm) Retrofit Adapter Plate 2.007 in. (50.98 mm) 1.375 in. (34.93 mm) . 30: Mounting Hole Layouts 0.205 in. (5.21 mm) 0.875 in. (22.23 mm) 0.375 in.

  • Page 37: Technical Data

    Technical Data Maximum Working Fluid Pressure ....100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure ....100 psi (0.7 MPa, 7 bar) Maximum HVLP Inbound Air Pressure.

  • Page 38: Graco Standard Warranty

    Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale 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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