Graco 256855 Repair Manual
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Also See for 256855:
- Important safety instructions manual (9 pages) ,
- Repair manual (14 pages)
Table of Contents
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Repair
HVLP EDGE
- For the application of architectural paints and coatings. The HVLP Edge gun is not
Models: 256855, 257092, 256856
Maximum Fluid Working Pressure: 50 psi (0.35 MPa, 3.5 bar)
Maximum Air Working Pressure: 10 psi (0.07 MPa, 0.7 bar)
Important Safety Instructions
Refer to your sprayer instruction manual for
Pressure Relief and spray instructions.
Keep these instructions.
Registered Design No. 001147813-0001
256855
™
intended to be used on an external compressor. -
ti12761a
Gun
Translated Manuals
English - 313317
French - 313325
Chinese - 313618
ti12761a
257092
313317H
EN
Spanish - 313339
Korean - 313617
ti12870a
256856
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Table of Contents
Related Manuals for Graco 256855
Summary of Contents for Graco 256855
- Page 1 - For the application of architectural paints and coatings. The HVLP Edge gun is not intended to be used on an external compressor. - Models: 256855, 257092, 256856 Translated Manuals Maximum Fluid Working Pressure: 50 psi (0.35 MPa, 3.5 bar)
- Page 2 Warnings Warnings The following Warnings are for the setup, use, grounding, maintenance and repair of this equipment. The exclamation point symbol alerts you to a general warning and hazard symbols refer to procedure-specific risks. Refer back to these Warnings. Additional, prod- uct-specific warnings may be found throughout the body of this manual where applicable.
- Page 3 Warnings WARNING CALIFORNIA PROPOSITION 65 The engine exhaust from this product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. 313317H...
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Page 4: Component Identification
Component Identification Component Identification Setup Make sure sprayer is turned off and unplugged from power source. Refer to your sprayer instruction manual for spray setup. Connect Gun to Siphon Cup 1. Attach air hose from sprayer to inlet fitting of gun. ti12797a 2. - Page 5 Operation Adjust Flow and Pattern Size Flow and pattern size is determined by the flow control 2. Pour small amount of solvent or knob. Set knob at 0. Increase flow to attain desired spray water recommended by spray pattern. material manufacturer into siphon cup.
- Page 6 Operation Check Valve Troubleshooting Needle Replacement Recommended if fluid is in the check valve. Removal Poppet Valve Quick Clear 1. Relieve pressure. 1. Disconnect check valve from 2. Remove air cap (1). siphon cup air hoses. 3. Push trigger slide (4) over to NEEDLE REMOVAL position (D) shown in Component Identification, page ti13104a 2.
- Page 7 Operation Seal Replacement and Adjustment Procedure 1. Remove air cap ring (10) and air cap housing (9) 9. Install packing nut (8d) but don’t tighten until needle (44) is installed. 2. Slide trigger pin (14) over to needle removal position. Lower trigger (13) to disengage needle.
- Page 8 Operation Material / Fluid Set Selection Guide Selecting Fluid Sets: Material Fluid Set #2 Fluid Set #3 Fluid Set #4 Fluid Set #5 Fluid Set #6 256946 256947 256948 256949 256950 Grooves at end of fluid needle indicate size of fluid set. Example: Needle with 2 grooves on end goes with #2 fluid set.
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Page 9: Troubleshooting
Troubleshooting Troubleshooting Problem Cause Solution Orange peel finish - Paint Pain droplets too large • Maintain proper spraying distance, page 5. surface not smooth • Keep turbine air filters clean to allow full air flow. • Do not use an air hose that is too long to provide sufficient atomization pressure. - Page 10 Troubleshooting Problem Cause Solution No or slow fluid flow, intermit- Wrong size fluid set being used Select proper fluid set for fluid being sprayed, tent spray, or fluttering spray page 6 Gun fluid nozzle blocked by dried Clean or replace fluid nozzle paint or damaged Cup or pressure pot cover not tight Tighten cover or replace gasket...
- Page 11 Parts Parts ti12764b Part Description Part Description 244132 CUP, bottom 256858 BODY, gun 196463 TUBE, handle 188493 PACKING, u-cup, gun 277950 HANDLE, gun 257108 HOUSING, nozzle 196464 COUPLER, male 192348 NUT, head 256957 CHECK VALVE, complete, includes 256960 KIT, includes 8a, 8b, 8c, 8d 29a, 29b*, 29c, 29d SPREADER, u-cup FITTING, adapter...
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Page 12: Technical Data
Technical Data Technical Data Maximum inlet fluid pressure 50 psi (0.35 MPa, 3.5 bar) Maximum inlet air pressure 10 psi (0.07 MPa, 0.7 bar) Air inlet Quick-disconnect Fluid inlet 3/8 nps Sound levels per ISO 3744 Sound power level less than 65.0 dB(A) Sound pressure level less than 65.0 dB(A) Wetted parts... - Page 13 Notes Notes 313317H...
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Page 14: 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.