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

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Parts

311051D

Spray Gun Assemblies (all models)

* Guns with stainless steel needle tip, which is not recommended for thin fluids.

† Guns with Fluid Control Knob.

Gun Part No.

Needle/Nozzle Kit

Includes items

5 & 23

Item 5

Needle Assy.

Includes item 5a

Item 5a

Needle Tip

Pack of 5

Item 23

Nozzle

Item 24

Nozzle

Orifice Size

in. (mm)

249388
249407
249369
249396†
249411†
249377†

15F829

288175

288183

234741

0.030 (0.75)

249388
249407
249369
249397†
249412†
249378†

15F830

288176

288184

234742

0.042 (1.0)

249390
249409
249371
249398†
249413†
249379†

15F831

288177

288185

234744

0.055 (1.4)

249391
249410
249372
249399†
249414†
249380†

15F832

288178

288187

234746

0.070 (1.8)

249394*
288049*
249375*

15F835

288181*

234781

(Qty. 1)

234749

0.042 (1.0)

Hardened SST

249395*
288050*
249376*

15F836

288182*

234782

(Qty. 1)

234750

0.055 (1.4)

Hardened SST

Alternate nozzle sizes are also available. See Accessories, page 33.

Summary of Contents for AUTOMATIC XT SPAY GUNS 311051D

Page 1: ...r 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 TI8085a 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 TI8169a II 2 G c T6 ...

Page 2: ...h Gun 19 Troubleshooting 20 General Troubleshooting 20 Spray Pattern Troubleshooting 22 Service 23 Replace Fluid Packings and Air Seals 23 Reassembly 25 Parts 26 Accessories 33 Dimensions 34 Mounting Hole Layout 35 Mounting Hole Layout 36 Technical Data 37 Graco Standard Warranty 38 Graco Information 38 Related Manuals The Automatic XT Spray Guns manual is available in the following languages See ...

Page 3: ...in mm HVLP Compliant Airspray 030 0 75 249388 249407 249369 042 1 0 249389 249408 249370 055 1 4 249390 249409 249371 070 1 8 249391 249410 249372 042 1 0 Hardened SST 249394 288049 249375 055 1 4 Hardened SST 249395 288050 249376 030 0 75 with Fluid Control Knob 249396 249411 249377 042 1 0 with Fluid Control Knob 249397 249412 249378 055 1 4 with Fluid Control Knob 249398 249413 249379 070 1 8 w...

Page 4: ...ing parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources s...

Page 5: ...spose of it according to applicable guidelines PERSONAL PROTECTIVE EQUIPMENT You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury including eye injury inhalation of toxic fumes burns and hearing loss This equipment includes but is not limited to Protective eyewear Clothing and respirator as re...

Page 6: ...stment of fluid flow Gun Assy Part No Includes Orifice Size in mm Material Usage Needle Nozzle Kit Part No 321 Air Cap Reorder Part No Viscosity Flow oz min l min 249388 15F829 288134 030 0 75 light 4 10 0 12 0 30 249389 15F830 288134 042 1 0 light medium 8 14 0 24 0 42 249390 15F831 288134 055 1 4 medium 12 18 0 36 0 54 249391 15F832 288134 070 1 8 medium heavy 16 20 0 48 0 60 249394 15F835 28813...

Page 7: ... 0 light medium 8 14 0 24 0 42 288050 15F836 288132 055 1 4 medium 12 18 0 36 0 54 249411 15F829 288132 030 0 75 light 4 10 0 12 0 30 249412 15F830 288132 042 1 0 light medium 8 14 0 24 0 42 249413 15F831 288132 055 1 4 medium 12 18 0 36 0 54 249414 15F832 288132 070 1 8 medium heavy 16 20 0 48 0 60 Gun Assy Part No Includes Orifice Size in mm Material Usage Needle Nozzle Kit Part No 315 Air Cap R...

Page 8: ...guns In addition the compliant air cap consumes much less air than the HVLP air cap The Graco compliant guns have no restrictions on air cap pressures but the gun inlet pressure must remain under 30 psi 0 21 MPa 2 1 bar to remain in compli ance Airspray Guns An airspray gun has excellent atomization and high pro duction rates typically with some reduction in transfer efficiency Air Caps The chart ...

Page 9: ...res 0 1 2 3 4 5 6 7 8 9 10 11 12 0 5 10 15 20 25 30 35 40 45 50 Manifold Inlet Pressure psi Aircap Pressure in psi HVLP Atomization Air Pressure at Cap HVLP Fan Air Pressure at Cap Automatic Gun Air Consumption 0 2 4 6 8 10 12 14 16 18 20 0 10 20 30 40 50 60 Manifold Inlet Pressure psi Air Flow in SCFM Airspray Atom Flow HVLP Atom Flow Compliant Atom Flow Airspray Fan Flow HVLP Fan Flow Compliant ...

Page 10: ...uid supply line to one elbow and the fluid return line to the other The manifold fluid ports are reversible 4 Install the gun on the manifold using the four screws 13 Start the threads of all four screws Tighten the front two screws first and then tighten the back two Torque all four screws evenly to 65 in lb 7 3 N m Non circulating System 1 See FIG 3 See Apply anti seize lubricant 222955 to the t...

Page 11: ...instruction manual Ground Air Compressors and Hydraulic Power Supplies Ground the air compressors and hydraulic power sup plies according to the manufacturer recommendations Ground Spray Gun Ground the spray gun by mounting the manifold to a properly grounded reciprocator robot or stationary mount Check the electrical resistance between the manifold and a true earth ground The resistance must be l...

Page 12: ...ure the gun to the support with two M5 x 0 8 capscrews C The screws must be long enough to engage the threaded holes in the gun manifold to a depth of 1 4 in 6 mm Retrofit Adapter Plate The retrofit adapter plate enables the manifold to be attached to a variety of bolt patterns To mount the gun using the retrofit adapter plate kit 288197 1 Mount adapter plate to manifold using the three screws pro...

Page 13: ...egulated 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 Dirt and moisture can ruin the appearance of your finished work piece See FIG 8 Install a bleed type air shutoff valve E on each gun air supply line downstream of the gun air regu lator to shut off air to the gun The gun atomizing and fan air inlets are 3 8 in O D tubing ...

Page 14: ...ew the alignment pin A and relocate it to the horizontal spray pattern hole When relocating the pin use low strength thread locker Torque to 1 5 2 5 in lb 0 2 0 3 N m Do not overtighten Refer to FIG 11 FIG 10 Manifold Ports Side Mounted Manifold Ports Bottom Mounted Manifold Ports FAN ATOM CYL FAN ATOM CYL KEY N Cylinder Air Inlet accepts 1 4 in 6 3 mm O D tubing P Atomization Air Inlet 3 8 in 9 5...

Page 15: ...per Table 1 Use these suggested settings as a starting point Table 1 Suggested Starting Settings 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 CAUTION Use caution when operating the fluid control valve near the closed position The plastic needle tip may be damaged if forced too hard against the nozzle sea...

Page 16: ...tion 4 If the spray pattern is too wide or split reduce the fan air pressure or slightly close the fan adjustment valve on manifold 288223 To further control the spray pattern of airspray guns only use an alternate air cap For a list of available air caps refer to Accessories page 33 FIG 13 Air Pressure Regulator For the best transfer efficiency use the lowest set ting needed to achieve desired fi...

Page 17: ...flow stops This helps ensure that the spray is atomized and prevents fluid buildup on the air cap and tip Adjust the system control device if it is automatic so the gun starts spraying just before meeting the part and stops as soon as the part has passed Keep the gun a consistent distance 6 to 8 in 150 to 200 mm from the surface of the object being sprayed To achieve best results when applying flu...

Page 18: ...n 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 Do not point the gun up while cleaning it Do not immerse the gun in solvent Do not wipe the gun with a cloth soaked in solvent ring out the excess Do not use metal tools to clean the air cap holes as this may scratch them scratches can distort the spray pa...

Page 19: ...ng air cap and fluid nozzle with solvent 9 Dip the end of a soft bristle brush into a compatible solvent Do not continuously soak the brush s bris tles with solvent and do not use a wire brush 10 With the gun pointed down clean the front of the gun using the soft bristle brush and solvent 11 Scrub the air cap retaining ring air cap and fluid nozzle with the soft bristle brush see FIG 17 To clean o...

Page 20: ... trigger Piston stem is disconnected from main body of piston assembly 3 Cylinder air pressure is too low Replace piston assembly Increase cylinder air pressure to 50 psi Air does not shut off Piston assembly not seating properly Broken return spring 7 Swollen o ring 8 Worn piston stem o rings 10 11 Bottom gasket 12 failed Clean service piston assembly Replace worn or swollen o rings Replace retur...

Page 21: ...not immerse pis ton in solvent Increase air pressure or clean air line Move plug to fluid port consistent with manifold plumbing unless you are using gun in a circulating system If you are all fluid ports in gun and on manifold should be open Fluid does not shut off Worn o ring 11 or 9 Piston cap 4 not fully tightened Spring 6 not in place Swollen piston o ring 8 Replace o ring Tighten piston cap ...

Page 22: ...e at source or use a smaller fluid nozzle Pattern becomes off set of heavy on ends Air cap horn holes plugged or dam aged Clean air cap horn holes with non metallic item such as a toothpick or replace air cap Gun fluid pressure is too high with gun triggered Using needle nozzle kit with too small orifice Use needle nozzle kit with larger ori fice Fluid system will not operate at low enough fluid p...

Page 23: ...needle 5 out the back of the gun 7 Check the fluid needle 5 for damage or excessive wear Replace the needle tip 5a or the entire nee dle if necessary 8 Remove nozzle 23 Check nozzle and o ring 36 for damage You may need to use a pick to remove o ring from housing 2 9 Remove the piston Using a pliers pull the piston 3 out of the piston housing 1 See FIG 20 10 Unscrew the two screws 14 and separate ...

Page 24: ...parts and replace any worn parts When assembling lubricate the threads with anti seize lubricant FIG 21 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 anaero...

Page 25: ...ton housing 1 b Ensure nozzle sealing o ring 36 is installed in fluid housing 2 7 To avoid galling of the fluid nozzle seat in the fluid housing apply a thin film of lubricant to the threads Install the nozzle into the fluid housing Torque the nozzle securely to 60 in lb 6 8 N m 8 Lubricate and install the needle 5 into the back of the gun assembly Push it straight in through the pis ton 9 Install...

Page 26: ...c 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 Used on non circulating guns only 1 4 3 2 8 7 6 9 10 Exploded View Part No 249369 Gun Shown TI8086a 25 24 23 5a 5 2 13 16 15 19 22 21 20 4 7 6 30 29 5 ref 8 3 11 10 1 12 13 9 T 1 9 3 8 2 3 3 6 7 3 3 3 3 3 2 14 17 Alternate Fluid Control 25a 2...

Page 27: ...nifold M5 4 14 15H318 SCREW SHC 2 15 15H316 GASKET polyethylene front 1 16 195222 NUT packing 1 17 115347 PACKING u cup 1 19 192687 PLUG fluid 1 20 114340 RING back up PTFE 1 21 114244 PACKING o ring fluoroelastomer 1 22 192443 GASKET fluid 2 23 NOZZLE fluid 0 030 in 1 24 CAP air 1 288133 Airspray 315 cap 288134 HVLP 321 cap 288132 Compliant 006 cap 24a 15G618 PIN locating threaded 2 25 239953 RET...

Page 28: ...407 249369 249396 249411 249377 15F829 288175 288183 234741 0 030 0 75 249388 249407 249369 249397 249412 249378 15F830 288176 288184 234742 0 042 1 0 249390 249409 249371 249398 249413 249379 15F831 288177 288185 234744 0 055 1 4 249391 249410 249372 249399 249414 249380 15F832 288178 288187 234746 0 070 1 8 249394 288049 249375 15F835 288181 234781 Qty 1 234749 0 042 1 0 Hardened SST 249395 2880...

Page 29: ...n long 1 107 166846 NIPPLE SST 1 4 npsm straight pipe thread x 1 4 npt 2 108 120389 FITTING tube air line 3 8 in OD tube x 1 4 npt 2 109 101970 PLUG pipe SST 1 4 18 ptf sup plied to plug fluid outlet port in non circulating applications 1 FIG 23 Manifold with Bottom Fluid Ports TI9398b 108 103 101 105 107 Apply anti seize lubricant 222955 to threads and mating faces of manifold 101 and any fitting...

Page 30: ...be x 1 8 npt m 105 114246 SCREW set 5 16 0 437 in long 1 107 2 115335 ELBOW street 1 4 in npt 114247 FITTING elbow male 5 JIC x 1 4 npt 108 2 120389 FITTING tube air line 3 8 in OD tube x 1 4 npt 120537 FITTING tube air line 8 mm OD tube x 1 4 npt 109 101970 PLUG pipe SST 1 4 18 ptf sup plied to plug fluid outlet port in non circulating applications 1 FIG 24 Manifold with Side Fluid Ports TI8148b ...

Page 31: ...14246 SCREW set 5 16 0 437 in long 1 108 114342 ELBOW male 1 4 18 npt 2 109 101970 PLUG pipe SST 1 4 18 ptf supplied to plug fluid outlet port in non circulating applications 1 110 120453 SCREW SCHS M3 x 18 1 FIG 25 Side Fluid Ports and Fan Adjustment Valve TI0556b Apply anti seize lubricant 222955 to threads and mating faces of manifold 101 and any fittings and or plugs used in fluid ports 2 Inst...

Page 32: ...G PTFE 2 110 114246 SCREW set hex soc 1 111 2 120389 FITTING tube air line 3 8 in OD tube x 1 4 npt 120537 FITTING tube air line 8 mm OD tube x 1 4 npt 112 1 120388 FITTING tube air inlet 1 4 in OD tube x 1 8 npt m 120538 FITTING tube air inlet 6 mm OD tube x 1 8 npt m 113 103253 SCREW set 2 FIG 26 TI8200a Apply sealant to threads and mating faces of manifold 101 and any fittings and or plugs used...

Page 33: ...all the kit air cap on the gun Turn on the air to the gun then trigger the gun and read the air pressure on the gauge Fluid Control Knob Repair Kit 288138 Includes spring ball and retaining clip Part No Description 239629 FITTING assy swivel 061345 TUBING 1000 ft 305 m roll Nozzle Orifice Size in mm Needle Nozzle Kit Needle Assy Needle Tip Qty 1 Nozzle 0 059 1 5 N A 288177 234778 234745 0 086 2 2 ...

Page 34: ...Dimensions FIG 28 TI8181a TI8104a 2 0 in 50 8 mm 5 3 in 134 6 mm Part No 249407 Gun Shown 3 86 in 98 0 m 3 0 in 76 2 mm 1 395 in 35 43 mm 2 76 in 70 1 mm 6 41 in 162 81 mm with fluid control knob 0 5 in 12 7 mm mounting hole ...

Page 35: ...g Hole Layout TI8107a TI8181a 0 4 in 10 2 mm Two M5 x 0 8 x 0 25 in 6 3 mm holes 0 805 in 20 5 mm 0 187 in 4 8 mm 1 375 in 35 mm 1 750 in 44 5 mm Two 0 128 diameter x 0 31 in 7 8 mm holes 2 125 in 54 mm Use 1 8 in pin for alignment 2 02 in 51 31 mm 0 5 in 12 7 mm mounting hole ...

Page 36: ... with Retrofit Adapter Plate TI8178a 2 007 in 50 98 mm 1 375 in 34 93 mm 0 736 in 18 69 mm TI8226a 2 27 in 57 66 mm Rear Port Manifold TI8232a 2 325 in 59 06 mm 1 765 in 44 83 mm 3 730 in 94 74 mm 2 710 in 68 83 mm 3 200 in 81 28 mm 1 375 in 34 93 mm 0 400 in 10 16 mm 0 875 in 22 23 mm 1 010 in 25 65 mm 0 205 in 5 21 mm 0 375 in 9 5 mm ...

Page 37: ...ure 35 psi 25 kPa 2 5 bar Maximum Compliant Gun Inlet Pressure 30 psi 21 kPa 2 1 bar Maximum Working Fluid Temperature 120 F 49 C Minimum Air Cylinder Actuation Pressure 50 psi 0 34 MPa 3 4 bar Weight 1 5 lbs 992 g Wetted Parts Stainless Steel Ultra High Molecular Weight Polyethyl ene Chemically Resistant Fluoroelastomer Acetal PTFE PEEK Cylinder Air Pressure psi kPa bar Fluid Pressure psi kPa bar...

Page 38: ...sclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for...

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