Graco Series A Instructions - Parts Manual Download Page 40 | Manualshive

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Repair

40

309856A

9.

Install safety lock assembly.

TI3847a

10.

Reassemble Front End

, page 34.

11.

Adjust Purge Rod

12.

Attach fluid manifold. Connect air. Return gun to

service.

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Summary of Contents for Series A

Page 1: ... Parts Plural Component Impingement Mix Mechanical Purge 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 US Patent Pending TI3840a ...

Page 2: ...ool Kit 20 Keep Gun Clean 20 As Needed 20 Daily 20 Weekly to Monthly 20 Flush Gun 21 Clean Outside of Gun 21 Clean Air Cap 21 Clean Muffler 21 Clean Fluid Manifold 21 Clean Polycarballoy Mix Module 22 Clean CeramTip 24 Stuck Purge Rod 25 Clean Purge Rod 25 Adjust Front Rod Seal 26 Adjust Rear Rod Seal 27 Troubleshooting 28 Theory of Operation 30 Cutaway View 31 Repair 32 Tools Required 32 Lubricat...

Page 3: ...death if you do not follow instructions Symbols such as fluid injection shown alert you to a specific hazard and direct you to read the indicated hazard warnings on pages 8 9 CAUTION A caution alerts you to possible equipment damage or destruction if you do not follow instructions A note indicates additional helpful information ...

Page 4: ... MR4747 RTM055 247225 A MR5757 RTM055 247226 A MR5757 RTM070 247231 A MR6666 RTM070 247232 A MR6666 RTM080 247233 A MR6666 RTM090 247239 A MR8282 RTM090 247240 A MR8282 RTM100 247245 A MR9494 RTM100 247246 A MR9494 RTM110 FLOW RATE in gpm lpm PRESSURE in psi MPa bar 5 0 18 9 4 0 15 1 3 0 11 4 1 0 3 8 2 0 7 6 0 MR5757 RTM070 MR4747 RTM055 MR3535 RTM040 800 5 6 56 1250 8 7 87 1700 11 9 119 2150 15 0...

Page 5: ...F2929 FTM624 247273 A MF3535 FTM438 247274 A MF3535 FTM624 247275 A MF3535 FTM638 247281 A MF4747 FTM624 247282 A MF4747 FTM638 247283 A MF4747 FTM838 247289 A MF5757 FTM638 247290 A MF5757 FTM838 247291 A MF5757 FTM848 FLOW RATE in gpm lpm PRESSURE in psi MPa bar 2 0 7 6 1 6 6 0 1 2 4 5 0 4 1 5 0 8 3 0 0 MF2929 FTM424 MF5757 FTM638 MF4747 FTM638 MF3535 FTM638 To calculate flow in lb min multiply ...

Page 6: ...R2929 RTM040 247011 A XR3535 RTM030 247012 A XR3535 RTM040 247013 A XR3535 RTM055 247018 A XR4747 RTM040 247019 A XR4747 RTM055 247025 A XR5757 RTM055 247026 A XR5757 RTM070 FLOW RATE in gpm lpm PRESSURE in psi MPa bar 5 0 18 9 4 0 15 1 3 0 11 4 1 0 3 8 2 0 7 6 0 XR2929 RTM030 XR5757 RTM070 XR4747 RTM055 XR3535 RTM040 800 5 6 56 1250 8 7 87 1700 11 9 119 2150 15 0 150 2600 18 2 182 3050 21 3 213 3...

Page 7: ...929 FTM438 247067 A XF2929 FTM624 247073 A XF3535 FTM438 247074 A XF3535 FTM624 247075 A XF3535 FTM638 247081 A XF4747 FTM624 247082 A XF4747 FTM638 247083 A XF4747 FTM838 247089 A XF5757 FTM638 247090 A XF5757 FTM838 247091 A XF5757 FTM848 FLOW RATE in gpm lpm PRESSURE in psi MPa bar 2 0 7 6 1 6 6 0 1 2 4 5 0 4 1 5 0 8 3 0 0 XF2929 FTM424 XF5757 FTM638 XF4747 FTM638 XF3535 FTM638 To calculate flo...

Page 8: ...rom 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 Do not put your hand over the spray tip Do not stop or deflect leaks with your hand body glove or rag Do not blow back fluid this is not an air spray system Follow ...

Page 9: ... 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 Do not alter or modify equipment Use only Graco parts and accessories Do not exceed the maximum working pressure or temperature rating of the lowest rated system component...

Page 10: ...k Coupler E Muffler F Fluid Housing G Gun Fluid Manifold H Handle J Optional Air Inlet K Cleanoff Air Valve L Safety Lock M CeramTip behind air cap N Optional Fluid Inlets A Side Shown P Lock Ring R Fluid Inlet Swivels A Side Shown S Trigger T Gun Air Whip Hose U Air Valve A B M D E F H J K L G N P R S C TI3840a 1 T U ...

Page 11: ...Loss of Air Pressure In event of loss of air pressure while gun is triggered gun will continue to spray To shut off gun do one of the following Push hard or hit end of safety lock to engage safety lock Close fluid valves A and B WARNING Read Material Safety Data Sheet MSDS to know the specific hazards of isocyanates Use equipment in a well ventilated area Wear respirator gloves and pro tective clo...

Page 12: ... valve U to main air hose Attach fluid manifold G to gun To change position of fluid manifold or use optional fluid inlets see pages 18 and 19 5 Connect air line to quick coupler D Turn on air Open air valve U Air should flow from air cap around CeramTip M Adjust air flow with cleanoff air valve K To use optional air inlet see page 19 6 Adjust purge rod page 14 7 Turn on proportioner G U T TI3830a...

Page 13: ...ust pressure and temperature to get desired results 11 Apply layer of lubricant over front of gun and lock ring or use gun cover to prevent overspray buildup and ease disassembly See page 49 to order lubricant and gun cover 12 Gun is ready to spray CAUTION Air supply is required for gun actuation Do not dis connect gun air supply until fluid pressure is relieved page 17 TI3861a ...

Page 14: ...t air supply and open air valve U 4 Adjust purge rod with nut driver clockwise until it just touches CeramTip then back off 1 8 1 4 turn Be sure to back out purge rod 1 2 turns before changing CeramTips or Polycarballoy Mix Modules Readjust purge rod after replacing CeramTips or Polycarballoy Mix Modules 1 8 1 4 Turn TI3829a TI3828a ...

Page 15: ...lat CeramTip WARNING Read warnings page 8 1 Engage safety lock page 11 2 Close fluid valves A and B TI3850a TI3837a U A B 3 Remove air cap 9 4 Using nut driver position CeramTip as desired 5 Reassemble air cap 9 fingertight 9 TI3854a TI3867a ...

Page 16: ...Shutdown 16 309856A Shutdown Daily Shutdown Follow Pressure Relief Procedure page 17 Shutdown for More than a Day 1 Flush Gun page 21 2 Follow Pressure Relief Procedure page 17 ...

Page 17: ...isengage safety lock page 11 TI3850a TI3837a A B U TI3849a 4 Trigger gun onto cardboard or into waste container to relieve pressure 5 Engage safety lock page 11 WARNING If fluid in the hose and proportioner is still under pres sure follow the Pressure Relief Procedure in the pro portioner manual To relieve pressure in the hose after the gun is removed place the fluid manifold over containers fac i...

Page 18: ...ide parts fluid inlet swivel check valve and Polycarballoy Mix Module to right CAUTION To prevent cross contamination of gun s wetted parts do not interchange A component isocyanate and B component resin parts 1 Follow Pressure Relief Procedure page 17 2 Disconnect air D and remove fluid manifold G TI3837a G P F D 3 Unscrew lock ring P until front end of gun is loose 4 Rotate fluid housing F 180 a...

Page 19: ...luid manifold G 3 Disconnect fluid hoses from inlet swivels A B Remove swivels Remove plugs from optional inlets N TI3837a G D TI2417A N A B 4 Apply thread sealant to plugs W elbows V and male threads of swivels A B Install elbows V in optional inlets N facing down Install swivels A B in elbows Be sure to install A swivel smaller in A side Install plugs W where swivels had been Torque all parts to...

Page 20: ...n Keep gun clean with accessory gun cover page 49 Applying a light coat of lubricant will make cleaning eas ier As Needed Daily Weekly to Monthly 1 Clean Outside of Gun page 21 2 Clean CeramTip page 24 a minimum of once a day 3 Clean Air Cap page 21 TI3864a Reversible Reversible 4 Clean Muffler page 21 5 Clean Fluid Manifold page 21 6 Clean Polycarballoy Mix Module page 22 Follow Shutdown page 16 ...

Page 21: ...from gun Be sure to clean the two fluid ports X in the top mating surface Do not damage the flat sealing surfaces Cover with grease if left exposed to seal out moisture WARNING Read warnings page 9 1 Follow Pressure Relief Procedure page 17 2 Flush into a grounded metal pail holding a metal part of fluid manifold firmly to side of pail Use the lowest possible fluid pressure when flushing 3 Follow ...

Page 22: ...supplied See TABLE 1 page 23 Also see identification chart under Drill Bit Kits page 47 Component B RES impingement ports at rear of Polycarballoy Mix Module are angled toward front of gun See FIG 2 Some Polycarballoy Mix Modules have counter bored holes CB and require two drill sizes to clean impingement ports completely See FIG 3 and TABLE 1 5 Reassemble page 36 FIG 1 Cleaning Component A ISO Po...

Page 23: ...1 MF2929 1 69 0292 0 74 N A N A MF3535 2 73 0240 0 61 N A N A MF4747 2 67 0320 0 81 N A N A MF5757 3 67 0320 0 81 N A N A Direct Impingement Round Polycarballoy Mix Modules Polycarballoy Mix Module Part No No of Impinge ment Ports Impingement Port Drill Counterbore Drill Drill Size nominal Drill Diameter in mm Drill Size nominal Drill Diameter in mm XR2929 1 69 0292 0 74 N A N A XR3535 2 73 0240 0...

Page 24: ...amTips Round CeramTip Kit Part No Drill Size nominal Cleanout Drill Diameter in mm RTM024 73 0240 0 61 RTM030 67 0320 0 81 RTM040 60 0400 1 02 RTM055 54 0550 1 40 RTM070 50 0700 1 78 RTM080 2 0 mm 0787 2 00 RTM090 43 0890 2 26 RTM100 39 0995 2 53 RTM110 7 64 0 1094 2 78 TI3868a 1 Follow Pressure Relief Procedure page 17 2 Remove CeramTip page 32 3 Soak CeramTip in compatible solvent If neces sary ...

Page 25: ... hold Turn purge rod counterclock wise 3 Adjust Purge Rod page 14 1 Follow Pressure Relief Procedure page 17 2 Flush Gun page 21 TI3850a TI3828a 3 Disconnect air D and remove fluid manifold G 4 Disassemble Front End page 33 5 Clean exposed portion of purge rod 31 Lubri cate 6 Reassemble Front End page 34 7 Adjust Purge Rod page 14 8 Attach fluid manifold Connect air Return gun to service TI3837a G...

Page 26: ...ure to temporarily stop leakage until parts are replaced 1 Follow Pressure Relief Procedure page 17 2 Back out purge rod 1 2 turns with nut driver TI3828a 3 Remove air cap 9 4 Trigger gun and hold Tighten retainer 28 an addi tional notch 5 Detrigger gun Reassemble air cap 9 fingertight 6 Adjust Purge Rod page 14 9 TI3854a 28 ...

Page 27: ...onnected 4 Disassemble Front End page 33 5 Assemble fluid housing 7 backwards onto purge rod 31 Adjust rear rod seal nut 23 with nut driver until drag is felt when sliding on rod TI3852a G 7 31 23 TI3831a 6 Remove fluid housing 7 from rod 31 7 Reassemble Front End page 34 8 Adjust Purge Rod page 14 9 Attach fluid manifold Return gun to service ...

Page 28: ...gered Safety lock engaged Disengage safety lock page 11 Plugged muffler 22 Clean page 21 Damaged air valve o rings 24 Replace page 41 Fluid does not spray when gun is fully actuated Closed fluid valves 12b Open Plugged impingement ports Clean page 22 Plugged check valves 36 Clean page 38 Gun actuates slowly Plugged muffler 22 Clean page 21 Damaged piston o rings 16 19 Replace page 39 Dirty air val...

Page 29: ...ve overspray Too much cleanoff air Reduce page 12 Rapid buildup of material on air cap Too little cleanoff air Increase page 12 Fluid does not shut off when fluid valves are closed Damaged fluid valves 12b Replace Reduced cleanoff air Plugged air passage Open Air leakage around fluid housing Damaged or missing o ring 20 Replace Air leakage from safety lock Damaged or missing o rings 18 Replace pag...

Page 30: ... or detrig gered See page 12 to adjust Gun Detriggered Mechanical Purging Purge rod 31 moves forward closing impingement ports IP and shutting off fluid flow Rod pushes through Polycarballoy Mix Module 39 and bottoms on CeramTip 40 forcing out excess fluid and restoring proper orifice diameter Cleanoff air flows whether gun is triggered or detrig gered See page 12 to adjust TI3882a 31 39 IP 40 KEY...

Page 31: ...Troubleshooting 309856A 31 Cutaway View 44 19 31 16 24 9 21 3 36 12b 22 28 25 40 48 39 18 14 20 ...

Page 32: ...ck ring 11 See page 49 to order lubricant Replace CeramTip 1 Follow Pressure Relief Procedure page 17 2 Remove fluid manifold G Leave air connected TI3852a G 3 Back out purge rod 1 2 turns with nut driver 4 Remove air cap 9 retainer 28 and CeramTip 40 If CeramTip is stuck trigger and detrigger gun once to release it 5 Install new CeramTip 40 Lubricate all threads Install retainer 28 fingertight pl...

Page 33: ...I3828a TI3843a 40 28 9 5 Remove mix module nut 25 using air cap 9 or a wrench Remove front seal 46 6 Remove Polycarballoy Mix Module 39 page 36 Engage safety lock CAUTION If lock ring 11 is stuck due to material buildup do not force it by turning entire front end Locating tabs Z may break off Soak front of gun in solvent to soften cured material and free lock ring CAUTION To prevent damage to purg...

Page 34: ...to engage tabs Z TI3871a 11 21 TI3873a TI3871a Z Y 20 CAUTION To prevent damage to purge rod 31 always slide front end straight onto purge rod 3 Carefully slide front end onto purge rod 31 Screw lock ring 11 onto handle 1 as far as pos sible by hand Push on front end to ensure it is properly seated Continue screwing lock ring onto handle When properly assembled lock ring is snug against handle 4 R...

Page 35: ...hreads and reassemble mix module nut 25 fingertight Tighten additional 1 12 to 1 6 turn with air cap 9 or wrench Install front seal 46 on rod 31 TI3843a 9 46 31 25 6 Reinstall CeramTip 40 Lubricate all threads Install retainer 28 fingertight plus 1 notch Install air cap 9 fingertight 7 Adjust Purge Rod page 14 TI3843a 40 28 9 ...

Page 36: ...trig ger gun once to release Polycarballoy Mix Module 39 from fluid housing 7 Remove Polycarballoy Mix Module Engage safety lock TI3852a G 39 7 TI3845a 6 Push new Polycarballoy Mix Module 39 onto rod 31 as far as possible WARNING Keep fingers away from mix module 39 when doing step 7 7 Trigger gun and hold to pull Polycarballoy Mix Module tight into fluid housing 7 8 Reassemble Front End page 34 9...

Page 37: ...3 5 Remove rear rod seal nut 23 with nut driver 53 6 Push out rear seal 46 with screwdriver 54 TI3852a G 23 TI3869a 53 54 46 TI3872a 7 Reassemble new rear seal 46 in rear rod seal nut 23 Lubricate threads and install in fluid housing 7 with nut driver 8 Reassemble Front End page 34 9 Adjust Purge Rod page 14 10 Attach fluid manifold Connect air Return gun to service ...

Page 38: ...ves do not interchange A component and B component parts The A component check valve is marked with an A 4 Pry out check valves 36 at notch TI3837a G D 5 Slide filter 36d off Clean and inspect parts Thor oughly inspect o rings 36f 36g Replace if any damage is seen or external leakage may result If necessary remove screw 36b and disassemble check valve 6 Reassemble check valves Liberally lubricate ...

Page 39: ... 14 TI3847a 18 6 Pull purge rod to remove piston 32 Inspect piston o ring 16 and shaft o ring 19 7 Inspect purge rod 31 for scratches or damage Unscrew rod from piston with nut driver Inspect o ring 18 Liberally lubricate and reassemble 8 Liberally lubricate piston o rings Reinstall piston Shaft is keyed for proper assembly Push firmly to seat piston Rotate piston purge rod assembly clockwise with...

Page 40: ...Repair 40 309856A 9 Install safety lock assembly TI3847a 10 Reassemble Front End page 34 11 Adjust Purge Rod page 14 12 Attach fluid manifold Connect air Return gun to service ...

Page 41: ... solvent or alcohol Apply medium strength Loctite or equiv alent to threads on stop 15 and reassemble 6 Attach fluid manifold Connect air Return gun to service TI3837a G D 10 15 17 3 4 TI3835a 14 18 1 Follow Pressure Relief Procedure page 17 2 Flush Gun page 21 3 Disconnect air D and remove fluid manifold G 4 Unscrew air valve plug 2 and remove spring 26 Using a small diameter tool push spool 27 o...

Page 42: ...c 36d 36f 36a 36g 36 12a 12b 12d 12g 50 12c 12e 12f 5 13 6 29 22 24 27 26 2 30 48 49 51 34 12c 52 12d 30 40 Flush Manifold Detail Torque to 125 135 in lb 14 15 N m Torque to 20 30 in lb 2 3 3 4 N m Torque to 32 40 ft lb 43 54 N m Torque to 35 45 in lb 4 5 N m 1 2 3 4 4 3 1 2 1 1 1 1 1 1 1 2 TI3870a 36b 54 53 Supplied Tools ...

Page 43: ...age of 5 1 25 15C377 NUT mix module 1 26 117485 SPRING air valve 1 27 15B202 SPOOL air valve 1 28 15C376 RETAINER CeramTip 1 29 100721 PLUG pipe 1 4 18 npt 2 30 117509 QUICK DISCONNECT male air 1 4 npt m 2 31 248001 ROD purge includes 1 of item 18 1 32 15C371 PISTON 1 34 117661 VISE pin dual reversible chucks 1 35 116550 RING retaining 1 36 246730 VALVE check A side includes 36a 36g 1 234027 VALVE...

Page 44: ...ent A impingement port size 035 in 35 Component B impingement port size 035 in MF3535 MF Mechanical purge standard flat pattern XR3535 XR Mechanical purge direct impingement round pattern XF3535 XF Mechanical purge direct impingement flat pattern Polycarballoy Mix Module Kit includes drill bits No of Impingement Ports Impingement Port Drill Bit Size nominal MR3535 2 73 MR4747 2 67 MR5757 3 67 MR66...

Page 45: ...ix Module Kit includes drill bits No of Impingement Ports Impingement Port Drill Bit Size nominal XR2929 1 69 XR3535 2 73 XR4747 2 67 XR5757 3 67 Polycarballoy Mix Module Kit includes drill bits No of Impingement Ports Impingement Port Drill Bit Size nominal Counterbore Drill Bit Size nominal XF1313 1 81 67 XF1818 1 77 67 XF2929 1 69 N A XF3535 2 73 N A XF4747 2 67 N A XF5757 3 67 N A ...

Page 46: ...eramTip Part No Drill Bit Size nominal RTM024 73 RTM030 67 RTM040 60 RTM055 54 RTM070 50 RTM080 2 0 mm RTM090 43 RTM100 39 RTM110 7 64 Example Part No First Three Digits Fourth Digit Last Two Digits FTM848 FTM Flat CeramTip mechanical purge 8x2 pattern length 8x2 16 in Equivalent orifice diameter size 048 in CeramTip Part No Pattern Size in mm FTM317 very low flow 6 8 152 203 FTM424 low flow 8 10 ...

Page 47: ... 3 32 0 116 2 90 246810 3 7 64 0 109 2 77 246813 3 39 099 2 51 246812 3 43 089 2 26 246624 3 3 32 094 2 39 246625 3 44 086 2 18 246626 6 50 070 1 78 246811 3 2 mm 079 2 00 246627 6 53 060 1 52 246628 6 55 052 1 32 246809 6 54 055 1 40 246814 6 56 046 1 18 246629 6 58 042 1 07 246808 6 60 040 1 02 246630 6 69 029 0 74 246807 6 67 032 0 81 246815 6 73 024 0 61 246816 6 77 018 0 46 246631 6 76 020 0 ...

Page 48: ...0 mesh filter screen is standard with gun 246357 40 mesh 015 in 375 micron 246358 60 mesh 010 in 238 micron 246359 80 mesh 007 in 175 micron Ref No 246351 Check Valve O ring Kit 246354 O ring Multi Kit 248000 Complete O ring Kit 248003 Purge Rod Seal Kit 248095 Purge Rod O ring Kit 248096 Piston Shaft O ring Kit 14 1 16 1 18 2 3 19 1 3 20 1 21 1 24 5 4 36f 2 36g 2 46 4 ...

Page 49: ...y non silicone lubricant for o rings threads and wear areas Recirculation Manifold 246362 Attach to gun fluid manifold to enable preheating of hose See manual 309818 Flushing Manifold 15B817 Manifold Block See ref no 52 page 43 Solvent Flush Kit 218669 Attach to 15B817 Flushing Manifold to flush gun with solvent See manual 307692 TI3877a ...

Page 50: ...Accessories 50 309856A ...

Page 51: ...rature 200 F 94 C Air Inlet Size 1 4 npt Quick Disconnect Nipple A Component ISO Inlet Size 5 JIC 1 2 20 UNF B Component Resin Inlet Size 6 JIC 9 16 18 UNF Typical Flow Rate See charts pages 4 7 Sound Pressure 70 dB A at 100 psi 0 7 MPa 7 bar Sound Power measured per ISO 9416 2 79 9 dB A at 100 psi 0 7 MPa 7 bar Length 7 6 in 193 mm Height 8 1 in 206 mm Width 3 1 in 79 mm Weight 2 9 lb 1 32 kg Wet...

Page 52: ...erial 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 any breach of warranty ...

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