Graco XTR 7 Instructions Manual
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Graco XTR 7 Instructions Manual

Airless spray gun
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Instructions
Read warnings and instructions.
™
XTR
7 Airless
Spray Gun
310743A
For use with Protective Coating Materials
XTR 7, Part No. 248609
Heavy Duty RAC tip guard, no tip
7250 psi (50 MPa, 500 bar) Maximum Working Pressure
XTR 7, Part No. 248610
™
Standard (non-reversing) Dripless
Tip Guard, 519 Flat Tip
7250 psi (50 MPa, 500 bar) Maximum Working Pressure
XTR 7, Part Nos. 248611, 248612, 248613, 248614
™
Heavy Duty RAC tip guard, 519 SwitchTip
7250 psi (50 MPa, 500 bar) Maximum Working Pressure
TI5045A
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
ll 2 G
Copyright 2004, Graco Inc. is registered to I.S. EN ISO 9001

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  • Page 1 ™ Heavy Duty RAC tip guard, 519 SwitchTip 7250 psi (50 MPa, 500 bar) Maximum Working Pressure TI5045A Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 ll 2 G Copyright 2004, Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Table Of Contents

    Gun Trigger Safety ......8 XTR 7 Parts ....... 30 Important .

  • Page 3: Manual Conventions

    Manual Conventions Manual Conventions Warning Caution CAUTION WARNING A caution alerts you to possible equipment damage or destruction if you do not follow instructions. A warning alerts you to possible serious injury or death if you do not follow instructions. Note Symbols, such as fire and explosion (shown), alert you A note indicates additional helpful information.
  • Page 4 Manual Conventions Warning Injection Hazard High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just a cut, but it is a serious injury that can result in amputation. Get immediate medical attention. • Do not point the gun at anyone or at any part of the body.
  • Page 5 Misuse can cause serious injury or death. • For professional use only. • Use equipment only for its intended purpose. Call your Graco distributor for information. • Read manuals, warnings, tags, and labels before operating equipment. Follow instructions. • Check equipment daily. Repair or replace worn or damaged parts immediately.

  • Page 6: System Requirements

    System Requirements System Requirements • Install a bleed-type master air valve on a pneumatic pump air supply line to relieve air trapped between this valve and the pump after air regulator is shut off. Trapped air can cause the pump to cycle unexpectedly. •...

  • Page 7: Grounding

    Grounding Grounding WARNING Read warnings, page 3. Check your local electrical code and pump/sprayer manual for detailed grounding instructions. • Spray gun: ground through connection to a grounded fluid hose and pump/sprayer. • Fluid hose: use only grounded hoses. • Fluid supply container: follow local code.

  • Page 8: Gun Trigger Safety

    Gun Trigger Safety Gun Trigger Safety WARNING Read warnings, page 3. A wallet-sized warning card with important injec- tion treatment information is included with the gun. Additional cards are available at no charge. Pro- vide a card to all operators. To engage trigger lock: turn it to position A.

  • Page 9: Important

    Important Important Do not try to unscrew the gun housing from the handle. Do not use a vice grips or place the gun in a vice to separate the gun handle from the head. Separating the gun head from the handle in this way may damage or break off the alignment notch on the gun handle.

  • Page 10: Pressure Relief Procedure

    Pressure Relief Procedure Pressure Relief Procedure WARNING Read warnings, page 3. Engage trigger lock. TI5049A Shut off pump. Disengage trigger lock. TI5048A Hold a metal part of the gun firmly to a grounded metal pail. Trigger gun to relieve pressure. T12178A 310743A...
  • Page 11 Pressure Relief Procedure Engage trigger lock. TI5049A Open drain valve. Leave drain valve open. TI5175A If pressure is not fully relieved: • Spray tip is clogged SwitchTip: Follow procedure on page 16. Flat Tip: Slowly loosen tip guard retaining nut to relieve pressure. Remove and clear tip. •...

  • Page 12: Operating Gun

    Operating Gun Operating Gun WARNING Read warnings, page 3. Strain the fluid if it contains particles that could clog the fluid tip. Connect a grounded fluid hose. Without spray tip, flush pump. Use lowest pressure possi- ble. Solvent TI5047A Prime. Paint 310743A...
  • Page 13 Operating Gun Follow Pressure Relief Procedure, page 10. TI5047A Install spray tip and tip guard. TI5047A Start pump and spray onto test paper. a. Adjust fluid pressure until spray is completely atomized. b. If adjusting pressure does not give a good spray pattern, follow Pressure Relief Procedure, page 10, then try another tip size.

  • Page 14: Adjusting Spray Pattern

    Operating Gun Adjusting Spray Pattern Spray Pattern Size The spray tip orifice and spray angle determine pattern coverage and size. When you need more coverage, use a larger spray tip rather than increasing fluid pressure. Spray Pattern Direction Follow Pressure Relief Procedure, page 10. Engage trig- ger lock.

  • Page 15: Maintenance

    Maintenance Maintenance Cleaning Spray Tip and Tip Guard WARNING Read warnings, page 3. CAUTION • To avoid ruining packings, do not soak entire gun in solvent. • Never hang gun by the tip guard. Damaging tip guard edges causes paint to collect there. Follow Pressure Relief Procedure, page 10.
  • Page 16 Maintenance If RAC Spray Tip Clogs WARNING Read warnings, page 3. If spray tip clogs while spraying, stop spraying immediately. Engage trigger lock. TI5049A Rotate (G) 180° (arrow points back). TI5181A TI5181A Disengage trigger lock. TI5049A To remove clog, trigger gun into a pail or onto the ground. TI5046A 310743A...
  • Page 17 Maintenance Engage trigger lock. TI5049A Rotate (G) 180° to spraying position (arrow points forward). TI5182A If tip is still clogged: a. Engage trigger lock. TI5048A b. Shut off sprayer and disconnect power source. c. Open fluid drain valve to relieve pressure. 310743A...

  • Page 18: Flushing

    Flushing Remove and clean GHD RAC spray tip. TI5183A Flushing WARNING Read warnings, page 3. Flush pump and gun before fluid can dry in it. If available, use flushing procedure provided in your pump or sprayer manual instead of this procedure. Follow Pressure Relief Procedure, page 10.
  • Page 19 Flushing Put the pump intake in a grounded pail of compatible solvent. Start pump at its lowest pressure. Disengage trigger lock, then trigger gun into the paint pail. When solvent appears, release trigger. TI5048A TI5047A Trigger gun into solvent pail. Circulate fluid until system is thoroughly flushed. 310743A...

  • Page 20: Cleaning Filter

    Cleaning Filter Follow Pressure Relief Procedure, page 10. Engage trigger lock. TI5046A TI5049A Cleaning Filter WARNING Read warnings, page 3. Follow Pressure Relief Procedure, page 10. Engage trigger lock. TI5049A 310743A...
  • Page 21 Cleaning Filter Disconnect trigger guard from gun body beneath dif- fuser by pushing up on guard hook and pulling it out of notch. TI5052A TI5057A TI5058A TI5053A The trigger guard beneath the gun handle can then be used as a wrench to loosen the nut. ***See Important note on page 9.*** TI5054A TI5059A...
  • Page 22 Cleaning Filter When alignment notches (A) are no longer engaged, use your hand to twist handle and remove it from gun head. TI5061A Remove filter. TI5062A Clean filter using a soft brush. TI5063A Replace filter. TI5064A 310743A...
  • Page 23 Cleaning Filter Attach handle to gun head by hand twisting handle until notches (A) on the gun head and handle meet and are aligned. TI5065A Use trigger guard to tighten the nut. TI5066A Reattach the trigger guard to the gun. TI5067A 310743A...

  • Page 24: Repair

    Repair Repair Repair Kit 248837 is available. Parts included with the kit are marked with Disassembly WARNING Read warnings, page 3. Follow Pressure Relief Procedure, page 10. Engage trigger lock. TI5049A Disconnect fluid hose. Remove tip and tip guard (20). TI5184A Using a wrench, remove the cap (4) with spring (5) (releases spring tension on needle).
  • Page 25 Repair Remove the valve seat (10*) and gasket (9*). T15186A Holding the needle with tool (A*) remove the needle retainer (6). T15187A Pull the needle (8*) out. TI5188A Using a socket wrench, remove the seal retainer (2*) from the back of the gun. Use a pick to remove the gas- ket (3*).
  • Page 26 Repair Clean and replace parts as needed. If you need to remove the trigger Using a wrench, remove screw (12) from the trigger stud (11). To avoid losing parts, be ready for two actuator pins (7) to fall out of the gun body (1) when the trigger (16) is removed.

  • Page 27: Assembly

    Repair Assembly Use clean, petroleum jelly where grease is indicated. Press a new gasket (3*) into the gun body. Lightly grease the seal retainer (2*) and install. Torque to 48-72 in-lbs (5-8 N•M). TI5189A Lightly grease and replace the needle (8*). Press the needle through the seal retainer.
  • Page 28 Repair Lightly grease valve seat (10*) threads. Squeeze the trig- ger to retract the needle and install gasket (9*) and valve seat (10*). Torque valve seat to 26-32 ft-lbs (35-43 N•M). TI5186A Grease and install the spring (5) and cap (4). Tighten the cap to 10-13 ft-lbs (8-10 N•M) TI5185A Test Gun Before Using...
  • Page 29 Repair Start and prime the pump. Disengage the trigger lock and trigger the gun into a metal waste container. T5047A TI5048A Release the trigger; the gun should immediately stop spraying and there should not be any leaks. If there is a problem, follow the Pressure Relief Procedure on page 10.

  • Page 30: Xtr 7 Parts

    XTR 7 Parts XTR 7 Parts TI5192B 310743A...

  • Page 31: Xtr 7 Parts List

    XTR 7 Parts List XTR 7 Parts List Part Nos. 248609, 248611, 248612, 248613, 248614 Ref. Ref. Part No. Description Qty. Part No. Description Qty. 287451 TRIGGER (see table below) 15E178 BODY, gun 245994 RETAINER, RAC tip ---- SEAL, retainer assembly...

  • Page 32: Xtr 7 Parts List

    XTR 7 Parts List XTR 7 Parts List Part No. 248610 Ref. Ref. Part No. Description Qty. Part No. Description Qty. 287449 TRIGGER 15E178 BODY, gun 20† 220222 TIP, guard ---- SEAL, retainer assembly 163519 SPRAY TIP, flat, 519 size...

  • Page 33: Technical Data

    TI243295A Technical Data XTR 7 Maximum Working Pressure..... . . 7250 psi (50 MPa, 500 bar) Fluid Orifice........0.090" (2.3 mm) Fluid Inlet .

  • Page 34: Graco Standard Warranty

    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:

248609248610248611248612248613248614

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