Graco A Series Instructions - Parts Manual
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Graco A Series Instructions - Parts Manual

Automatic plural component, impingement mix spray gun for use with non-flammable foam and polyurea, not for use in explosive atmospheres
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Instructions - Parts
Automatic Plural Component, Impingement
Mix Spray Gun
For use with non-flammable foam and polyurea.
Not for use in explosive atmospheres.
3500 psi (24.2 MPa, 242 bar) Maximum Fluid Working Pressure
80-130 psi (0.55-0.9 MPa, 5.5-9.1 bar) Air Inlet Pressure Range
200°F (94°C) Maximum Fluid Temperature
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Air Purge Gun
For model information and related manuals, see page 3.
Mechanical Purge Gun
For model information and related manuals, see page 4.
US Patent No. D479,305
Korean Patent No. 338185
Australian Patent No. 152610
ROC Patent No. I288661
Chinese Patent No. ZL200380101833
Japanese Patent No. 4331721
310649C
EN
TI4524b
TI4525b

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Summary of Contents for Graco A Series

  • Page 1 Instructions - Parts 310649C Automatic Plural Component, Impingement Mix Spray Gun For use with non-flammable foam and polyurea. Not for use in explosive atmospheres. 3500 psi (24.2 MPa, 242 bar) Maximum Fluid Working Pressure 80-130 psi (0.55-0.9 MPa, 5.5-9.1 bar) Air Inlet Pressure Range 200°F (94°C) Maximum Fluid Temperature Important Safety Instructions Read all warnings and instructions in this manual.

  • Page 2: Table Of Contents

    Piston Safety Lock ......7 Graco Information ......22 Turning Air Cap .

  • Page 3: Air Purge Guns

    Air Purge Guns Air Purge Guns Round Pattern Guns Mix Chamber Impingement Gun Part Port Size Equivalent No., Series Part No. in (mm) Size 248376, A AR2929 .029 (0.70) 248377, A AR4242 .042 (1.00) 248378, A AR5252 .052 (1.30) 248379, A AR6060 .060 (1.50) Flat Pattern Guns...

  • Page 4: Mechanical Purge Guns

    Mechanical Purge Guns Mechanical Purge Guns Use only these mix module/tip combinations. Standard Round Pattern Guns Gun Part No., Series Slip-Fit™ Polycarballoy™ Mix Module Part No., Round CeramTip™ Part No., see manual 309856 for numbering code see manual 309856 for numbering code 248386, A MR3535 RTM040...

  • Page 5: Warning

    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: Isocyanate Hazard Keep A And B Components

    Isocyanate Hazard Keep A and B Components Separate WARNING BURN HAZARD Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns, do not touch hot fluid or equipment. Wait until equipment/fluid has cooled completely. 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.

  • Page 7: Grounding

    Check your local electrical code and proportioner man- Follow Pressure Relief Procedure, page 15. ual for detailed grounding instructions. Ground the spray gun through connection to a Graco-approved grounded fluid supply hose. Close fluid valves A and B before turning air cap (C). Piston Safety Lock Engage piston safety lock whenever you stop spray- ing, to avoid accidental triggering.

  • Page 8: Overall View

    Overall View Overall View Mechanical Purge Gun Shown TI4525b Key: A Side Fluid Valve (ISO) B Side Fluid Valve (RESIN) Air Cap Fluid Housing Gun Fluid Manifold Cleanoff Air Valve Piston Safety Lock CeramTip (behind air cap) Optional Fluid Inlets (A Side Shown) Lock Ring Fluid Inlet Swivels (A Side Shown) Optional Air Inlets (A Side Shown)

  • Page 9: Installation

    Installation Installation Mounting gun to rod To mount the gun on a 1/2 in. diameter rod, insert the bar (A) through the hole in the gun body as shown. ti4750a Secure the gun to the bar by tightening 1/4 in. - 20 mounting screws.

  • Page 10: Connecting Airline And Accessories

    Installation Connecting airline and accessories On each gun air supply line, install an air pressure regulator. • It is recommended that the tip clean off air, gun actuation, and gun deactuation air be supplied and regulated separately. • A minimum of 80 psi (.55 mpa, 5.5 bar) air pres- sure must be supplied to the gun for proper operation.

  • Page 11: Setup

    Setup Setup Close fluid valves A and B. For Mechanical Purge Guns Only: Open clean off air line valve. Air should flow from air cap around Ceram Tip (M). Open clean off air valve (K) about 1/4 to 1/2 turn, then adjust air flow as required. TI2411A Adjust purge rod, see manual 309856.
  • Page 12 Setup Actuate gun to check for full mix chamber travel. Open B (RESIN) fluid valve (about three half Front of air cap (C) should be approximately flush turns). Then open A (ISO) fluid valve. with front retaining ring (U). TI4766a TI4752A Open cleanoff air valve (K) 1/4-1/2 turn and actuate air line to check that cleanoff air is flowing.

  • Page 13: Pressure Relief Procedure

    Pressure Relief Procedure Pressure Relief Procedure Actuate gun onto cardboard or into waste con- tainer to relieve pressure. Read warnings, page 5. Relieve pressure before cleaning or repairing gun. Engage piston safety lock. TI4753a TI3850A Engage piston safety lock. CAUTION Air supply is required for gun actuation.

  • Page 14: Shutdown

    Shutdown Shutdown For complete shutdown procedure, refer to Fusion Gun manual 309550 or 309856. 310649C...
  • Page 15 Shutdown 310649C...

  • Page 16: Parts

    Parts Parts Air Purge Gun Round Pattern Gun Shown Flat Pattern Detail † 10 39 4 30 5 14 Check Valve (26) 28 Detail TI2557A ‡†26b ‡ ‡ ‡ ‡ ‡*26g 21‡* ‡ ‡ ‡ ‡ ‡†26a *‡24 *‡26f TI3927A ‡...
  • Page 17 117773 GREASE CARTRIDGE; 3 oz; . MANIFOLD † not shown; MSDS sheet available 246356 . VALVE, fluid at www.graco.com 100139 . PLUG, pipe; 1/8-27 npt 197979 COVER, gun; not shown 15B221 . BOLT; 5/16-24 59 118665 LUBRICANT, Fusion Gun; 4 oz 117634 .

  • Page 18: Mechanical Purge Gun

    Parts Mechanical Purge Gun †‡          Check Valve (36) 18 Detail ‡ ‡ †‡36b ‡ †‡ ‡ ‡ ‡ ‡ ‡ ‡ †‡ *‡36g †‡36a *‡36f TI3927A ‡ see detail at right Supplied Tools †...
  • Page 19 Parts Ref. Ref. Part No. Description Part No. Description MODULE, mix, see page 4 15D919 BODY, mechanical purge CeramTip; see page 4  15C374 ACTUATOR; safety 44‡ 15C382 VALVE, cleanoff air  15C390 BUSHING, safety * 248003 SEAL KIT, purge rod; includes 4 †‡...

  • Page 20: Mounting Dimensions

    Mounting Dimensions Mounting Dimensions Gun mounting plate dimensions in. (mm) 0.73 (18.54) 2 x 1/4-20 1.30 (33.0) 1 (25.4) 0.625 (15.88) 1.06 (26.92) 3 x 1/8 npt 4 x M5 ⌀ 0.127 (3.23) ti4751b 0.625 (15.88) 310649C...

  • Page 21: Technical Data

    Aluminum, stainless steel, carbon steel, chemically resistant o-rings, Wetted Parts ultra-high molecular weight polyethylene (UHMWPE), brass, Polycarballoy™ All brand names or marks are used for identification purposes and are trademarks of Graco Inc. or their respective owners. Accessories Part No.

  • Page 22: 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:

Fusion 248376Fusion 248377Fusion 248378Fusion 248379Fusion 248380Fusion 248381 ... Show all

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