Graco 26C265 Instructions Manual Download Page 18 | Manualshive

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Graco 26C265 Instructions Manual Download Page 18

Troubleshooting

18

311053L

Spray Pattern Troubleshooting

Problem

Cause

Solution

Fluttering spray.

Insufficient fluid supply.

Adjust fluid regulator or fill fluid
supply tank.

Air in paint supply line.

Check, tighten siphon hose
connections, bleed air from paint
line.

Spitting spray.

Worn seat (10, 41) or needle (12)
ball.

Inspect seat and needle for wear.
Replace if necessary. The gasket
(11) must be replaced whenever you
remove the seat from the gun.

Dirty spray tip (9).

Clean.

Swollen piston o-ring (22).

Replace o-ring. Do not immerse
piston in solvent.

Irregular pattern.

Fluid build-up or spray tip partially
plugged.

Clean spray tip; see

Air cap loosening (sealant gun only). Air cap (18) not properly tightened.

Tighten. See

step 13.

Gasket (40) worn.

Replace gasket.

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Summary of Contents for 26C265

Page 1: ...ssure Part 26C625 For use with spraying high pressure protective coating materials 7250 psi 50 MPa 499 bar Maximum working Pressure Mounting manifolds must be ordered separately Refer to Parts section Important Safety Instructions Read all warnings and instructions in this manual before using the equipment Save these instructions Important Medical Information Read the medical alert card provided w...

Page 2: ...aily Cleaning Procedure 14 Clean Spray Tips and Clear Clogs 14 Daily Flushing Procedure 15 Troubleshooting 16 General Troubleshooting 16 Spray Pattern Troubleshooting 18 Service 19 Disassembly 19 Reassembly 21 Parts 22 Model 26C624 22 Model 26C625 24 Model 288048 26 Model 288554 27 GG0 Series Tip Selection Charts 30 XHD RAC Switch Tip Selection Charts 31 Sealer Application Tip and Air Cap Selectio...

Page 3: ...n equipment is not in use Check equipment daily Repair or replace worn or damaged parts immediately with genuine manufacturer s replacement parts only Do not alter or modify equipment Alterations or modifications may void agency approvals and create safety hazards Make sure all equipment is rated and approved for the environment in which you are using it Use equipment only for its intended purpose...

Page 4: ...tive Stop operation immediately if static sparking occurs or you feel a shock Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area 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 Safety Data Sheets SDSs to know the specific hazards of the flu...

Page 5: ...of the manifold 102 3 Connect the fluid supply line to one elbow and the fluid return line to the other The manifold fluid ports are reversible Non circulating System 1 Apply anti seize lubricant 222955 to the threads and mating faces of manifold 102 plug 109 and elbow 107 supplied unassembled 2 Install an elbow 107 in one fluid port of the manifold 102 and a plug 109 in the other port 3 Install t...

Page 6: ...00 ft 30 5 m combined hose length to ensure grounding continuity Check the electrical resistance of your air and fluid hoses at least once a week If the total resistance to ground exceeds 25 megohms replace the hose immediately NOTE Use a meter that is capable of measuring resistance at this level Ground Spray Gun Ground the spray gun by connecting it to a properly grounded fluid hose and pump Gro...

Page 7: ... Ensure the tip of the gun is 8 to 10 in 150 to 200 mm from the surface of the object being sprayed Stationary Support Mount All Manifolds To mount the gun on a stationary support refer to FIG 4 and Mounting Hole Layout page 37 1 Attach 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 2 En...

Page 8: ...l a fluid pressure regulator to control fluid pressure to the gun NOTE Some applications require fine tuned control of fluid pressure You can control fluid pressure more accurately with a fluid pressure regulator than by regulating the air pressure to the pump 3 Install a fluid shutoff valve to shut off the fluid supply to the gun 4 For paint spray applications install an in line fluid filter part...

Page 9: ...re of the gun Ports provided are Side water inlet 1 4 npt f Top water outlets 1 8 npt f Side RTD sensor 1 8 npt f See Accessories page 33 for available fittings and sensors FIG 5 Manifolds 288219 288220 and 26C622 KEY C Cylinder Air Inlet accepts 1 4 in 6 3 mm O D tubing F Fluid Inlet 1 4 18 nptf or 5 JIC 1 2 20 unf G Fluid Outlet circulating gun only 1 4 18 nptf or 5 JIC 1 2 20 unf FAN ATOM CYL G...

Page 10: ... with Streaming Tips 270XXX or Fan Tips 182XXX RAC Tip 1 Perform Pressure Relief Procedure see page 12 2 Snap gasket 9b on fluid seal 9a Use tool A to insert gasket and seal into housing insert the seal end in first Tip the tool to remove it once the seal is in place NOTE Make sure gasket 9b is snapped onto fluid seal 9a and is properly inserted into the housing Insert tip cylinder 9c into the hou...

Page 11: ...get the desired results Higher pressure may not improve the spray pattern and will cause premature tip wear and pump wear 3 The spray tip orifice and spray pattern angle determines the coverage and size of pattern When more coverage is needed follow the Pressure Relief Procedure page 12 and install a larger spray tip rather than increasing fluid pressure Adjust a Streaming Tip Select a tip that wi...

Page 12: ...slowly loosen the hose end coupling and relieve pressure gradually then loosen the coupling completely Now clear the tip or hose obstruction Apply the Fluid Adjust the system control device if it is automatic so the gun starts spraying just before meeting the workpiece and stops as soon as the workpiece has passed Keep the gun a consistent distance 8 to 10 in 200 to 250 mm from the surface of the ...

Page 13: ...l damage aluminum and nylon components NOTICE 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 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 TI8100a TI8101a TI4827a ...

Page 14: ...ith compatible solvent 3 To avoid damaging the spray tip clean it with a compatible solvent and soft brush 4 If using an in line filter remove and clean it thoroughly in a compatible solvent 5 Clean the system s fluid filter and air line filter Clean Spray Tips and Clear Clogs RAC Tips 1 Clean the spray tip a Rotate the tip 180 so the arrow on the tip cylinder 9c faces backward b Trigger the gun i...

Page 15: ...inlet 4 Start the pump and operate it at its lowest pressure 5 Trigger the gun into a grounded metal waste container until all the material is removed from the gun passages 6 Follow Pressure Relief Procedure page 12 7 Disconnect the solvent supply To avoid fire and explosion always ground the entire system including the gun and waste container To avoid static sparking and injury from splashing alw...

Page 16: ...e through venting hole Worn o ring 23 Check and replace as needed Air leakage from back of gun Worn o rings 22 23 Replace o rings Fluid leakage from front of gun Fluid needle 12 is dirty worn or damaged Clean or replace fluid needle Dirty or worn seat 10 41 Clean or replace the seat 10 41 and gasket 11 The gasket must be replaced whenever you remove the seat from the gun Spray tip seal is leaking ...

Page 17: ...rigger Increase the air pressure or clean the air line Spray tip 9 is plugged Clean the spray tip 9 Plug 4 is in the incorrect fluid port Move the plug to the fluid port consistent with manifold plumbing unless you are using the gun in a circulating system If you are all fluid ports should be open both inside the gun and on the manifold Fluid does not shut off Piston cap 18 not fully tightened Tig...

Page 18: ... 41 or needle 12 ball Inspect seat and needle for wear Replace if necessary The gasket 11 must be replaced whenever you remove the seat from the gun Dirty spray tip 9 Clean Swollen piston o ring 22 Replace o ring Do not immerse piston in solvent Irregular pattern Fluid build up or spray tip partially plugged Clean spray tip see Daily Gun Care page 13 Air cap loosening sealant gun only Air cap 18 n...

Page 19: ... the gasket 11 10 Remove the piston Using a pliers pull the piston 21 out of the piston housing 1 11 If necessary unscrew the two screws 15 holding the fluid housing 2 to the piston housing 1 If worn remove the gasket 13 from the bottom of the piston housing 12 Remove the large o ring 22 from the piston and the smaller o ring 23 from the piston shaft Remove the two o rings 25 26 from each of the p...

Page 20: ...i seize lubricant Lubricate with light weight oil Do not lubricate Torque to 20 25 ft lb 27 34 N m Apply semi permanent anaerobic sealant Torque to 6 5 7 5 in lb 0 73 0 85 N m Tighten cap 18 until it bottoms out Model 288554 only 1 4 3 2 8 7 6 5 TI8117a 9 7 10 25 2 2 2 3 3 1 8 18 22 20 26 1 5 2 3 11 23 3 3 6 7 21 16 17 13 12 8 3 19 4 40 9 9 Models 288048 and 26C625 shown ...

Page 21: ...nt and install the screw into the needle stop Torque to 6 5 7 5 in lb 0 73 0 85 N m Pull on the needle to make sure it seats fully Model 262625 only Coat the threaded end of the needle assembly 12 with semi permanent anerobic sealant Install the needle stop 17 on the needle Use a 7 32 deep socket to go over ball housing on needle assembly 12 Tighten 2 4 in lb 0 23 0 45 N m 12 Install the springs 1...

Page 22: ...ads with anti seize lubricant Lubricate with light weight oil Do not lubricate Torque to 20 25 ft lb 27 34 N m Apply semi permanent anaerobic sealant Torque to 6 5 7 5 in lb 0 73 0 85 N m Tighten cap 18 until it bottoms out Used on non circulating guns only 7 14 23 22 16 19 18 20 17 12 ref 21 25 26 15 13 5 14 2 12 10 9a 11 9b 6 37 3 1 2 2 3 3 3 3 4 9 9 9 8 6 7 2 3 3 5 1 ...

Page 23: ...SST 1 5 114244 PACKING o ring fluoroelastomer 1 6 114340 RING back up PTFE 1 7 XHD001 GUARD RAC tip 1 9 XHDxxx TIP RAC switch see XHD RAC Switch Tip Selection Charts page 31 1 9a SEAL fluid 1 9b GASKET 1 9c TIP spray XHD RAC 1 10 288196 DIFFUSER seat 3 16 in ball 1 11 189970 GASKET diffuser valve 1 12 24B916 NEEDLE cartridge assy 1 13 114134 GASKET polyethylene bottom 1 14 15H317 SCREW mounting ma...

Page 24: ...placed to avoid fluid leakage Lubricate threads with anti seize lubricant Lubricate with light weight oil Do not lubricate Torque to 20 25 ft lb 27 34 N m Apply semi permanent anaerobic sealant Torque to 2 4 in lb 0 23 0 45 N m Tighten cap 18 until it bottoms out Used on non circulating guns only 1 4 3 2 8 7 6 5 9 ...

Page 25: ...lastomer 1 6 114340 RING back up PTFE 1 7 XHD001 GUARD RAC tip 1 9 XHDxxx TIP RAC switch see XHD RAC Switch Tip Selection Charts page 31 1 9a SEAL fluid 1 9b GASKET 1 9c TIP spray XHD RAC 1 10 245858 DIFFUSER seat 3 16 in ball 1 11 189970 GASKET diffuser valve 1 12 826268 NEEDLE cartridge assy 1 13 114134 GASKET polyethylene bottom 1 14 15H317 SCREW mounting manifold M5 6 15 15H318 SCREW SHCS 2 16...

Page 26: ...cant Lubricate with light weight oil Do not lubricate Torque to 20 25 ft lb 27 34 N m Apply semi permanent anaerobic sealant Torque to 6 5 7 5 in lb 0 73 0 85 N m Tighten cap 18 until it bottoms out Used on non circulating guns only 1 4 3 2 8 7 6 5 9 13 19 18 20 17 16 12 ref 22 14 21 25 26 23 8 6 7 2 3 3 3 15 3 1 7 9 10 12 14 2 2 5 8 4 1 11 3 4 9 9 9 6 5 3 3 TI8090a 2 37 ...

Page 27: ...icant Lubricate with light weight oil Do not lubricate Torque to 20 25 ft lb 27 34 N m Apply semi permanent anaerobic sealant Torque to 6 5 7 5 in lb 0 73 0 85 N m Tighten cap 18 until it bottoms out Used on non circulating guns only 1 4 3 2 8 7 6 5 9 13 19 18 20 17 16 12 ref 22 14 21 25 26 23 8 6 7 2 3 3 3 15 3 1 7 12 14 2 2 5 1 11 3 TI9523a 2 40 Ref only Ref only 41 37 ...

Page 28: ... 114340 RING back up PTFE 1 7 NUT retainer 1 171602 198391 8 166969 GASKET non metallic 1 9 GG0xxx TIP see GG0 Series Tip Selection Charts page 30 1 10 288196 DIFFUSER seat 3 16 in ball 1 11 189970 GASKET diffuser valve 1 12 NEEDLE cartridge assy 1 24B916 253886 13 114134 GASKET polyethylene bottom 1 14 15H317 SCREW mounting manifold M5 4 15 15H318 SCREW SHCS 2 16 114137 SCREW set 6 32 1 8 in long...

Page 29: ...luid outlet port in non circulating applications 3 110 120453 SCREW M3 x 18 1 FIG 17 North America and International Manifold 105 103 109 107 107 101 2 102 110 2 Apply anti seize lubricant 222955 to threads and mating faces of manifold and any fittings and or plugs used in fluid ports 2 Ref Part Description Qty 301 18A468 MANIFOLD air 1 302 18A933 MANIFOLD fluid 1 303 120388 FITTING tube air linet...

Page 30: ...5 815 0 017 0 432 0 31 1 17 117 217 317 417 517 617 717 817 917 0 019 0 483 0 39 1 47 219 319 419 519 619 719 819 0 021 0 533 0 47 1 79 221 321 421 521 621 721 821 921 0 023 0 584 0 57 2 15 323 423 523 623 723 823 923 0 025 0 635 0 67 2 54 325 425 525 625 725 825 925 0 027 0 686 0 78 2 96 327 427 527 627 727 827 927 0 029 0 737 0 90 3 42 429 529 629 729 0 031 0 787 1 03 3 90 331 431 531 631 731 93...

Page 31: ...37 839 18 20 457 508 923 927 931 933 935 937 939 Flow Rate gpm 0 05 0 09 0 12 0 18 0 24 0 31 0 38 0 47 0 57 0 67 0 74 0 90 1 03 1 17 1 31 1 47 1 63 Flow Rate lpm 0 20 0 33 0 49 0 69 0 91 1 17 1 47 1 79 2 15 2 54 2 96 3 42 3 90 4 42 4 98 5 56 6 18 ORIFICE SIZE INCHES Fan Width in mm 0 041 0 043 0 045 0 047 0 049 0 051 0 053 0 055 0 057 0 059 0 061 0 063 0 065 0 067 0 069 0 071 0 075 0 081 2 4 51 10...

Page 32: ...21 14 16 350 400 182721 16 18 400 460 182821 0 023 0 527 8 10 200 250 182423 10 12 250 300 182523 12 14 300 350 182623 14 16 350 400 182723 16 18 400 460 182823 0 025 0 635 8 10 200 250 182425 10 12 250 300 182525 12 14 300 350 182625 14 16 350 400 182725 16 18 400 460 182825 0 027 0 686 8 10 200 250 182427 12 14 300 350 182627 0 029 0 736 8 10 200 250 182429 12 14 300 350 182629 16 18 400 460 182...

Page 33: ... qty 25 238562 Filter 100 mesh qty 3 238561 Brush 101892 For cleaning the gun In line Fluid Filter 6150 psi 42 4 MPa 424 bar Maximum Working Pressure Fits onto the gun fluid connector 1 4 18 npsm Needle Diffuser Options Needles must be used only with the specified seat to guarantee proper seating and life Standard viscosity standard flow Fluid Needle 24B916 3 16 in carbide ball Seat 288196 Acid ca...

Page 34: ...Dimensions 34 311053L Dimensions 288048 288554 FIG 20 2 0 in 5 1 cm 3 86 in 9 8 cm 5 23 in 13 9 cm 3 0 in 7 6 cm 2 245 in 5 7 cm 0 5 in 1 3 cm 1 375 in 3 5 cm 2 0 in 51 cm ...

Page 35: ...Dimensions 311053L 35 26C624 FIG 21 WL E 2 52 in 6 4 cm 3 86 in 9 8 cm 6 51 in 16 5 cm 604 in 1 5 cm 3 0 in 7 6 cm 2 77 in 7 1 cm 1 375 in 3 5 cm 2 0 in 5 1 cm 3 24 in 8 2 cm 0 5 in 1 8 cm 2 0 in 5 1 cm ...

Page 36: ...Dimensions 36 311053L 26C625 FIG 22 2 52 in 6 4 cm 3 86 in 9 8 cm 6 51 in 16 5 cm 604 in 1 5 cm 3 0 in 7 6 cm 2 83 in 7 2 cm 1 375 in 3 4 cm 2 0 in 5 1 cm 3 24 in 8 2 cm 0 5 in 1 2 cm 2 0 in 5 0 cm WL D ...

Page 37: ...Layout 0 4 in Two M5 x 0 8 x 0 25 in 0 805 in 2 1 cm 0 187 in 4 8 mm 1 375 in 3 5 cm Two 0 128 diameter x 0 31 in 7 8 mm deep 2 125 in 5 4 cm holes for alignment pin Remove set screws when using bottom mounting pattern 6 3 mm holes 1 750 in 4 5 cm TI8116a TI8107a 0 5 in 1 3 cm 10 1 mm ...

Page 38: ... Life 38 311053L End of Product Life At the end of a product s useful life recycle it in a responsible manner California Proposition 65 CALIFORNIA RESIDENTS WARNING Cancer and reproductive harm www P65warnings ca gov ...

Page 39: ...i 36 MPa 360 bar Minimum air cylinder actuation pressure at 4000 psi 70 psi 0 49 MPa 4 9 bar Minimum air cylinder actuation pressure at 5000 psi 75 psi 0 51 MPa 5 1 bar Maximum working fluid temperature Paint applications 160 F 71 C Weight 1 24 lb 563 g Wetted Parts Stainless Steel Carbide Ultra High Molecular Weight Polyethylene Acetal PEEK Chemically Resistant Fluoroelastomer PTFE Nylon Spray Gu...

Page 40: ... disclose 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 ...

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