Gebruiksaanwijzing /service van het product 308741N van de fabrikant Graco Inc.
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Instructions – Parts List Delta Spray t HVLP Spray Gun 308741N GRACO INC.ąP .O. BOX 1441ąMINNEAPOLIS, MNą55440-1441 Copyright 2001, Graco Inc. is registered to I.S. EN ISO 9001 100 psi (0.7 MPa, 7 bar) Maxim um Wor king Fluid Pressure 100 psi (0.
2 308741 Symbols W arning Symbol W ARNING This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions. Caution Symbol CAUTION This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions.
308741 3 W ARNING PRESSURIZED EQUIPMENT HAZARD Spray from the gun, hose leaks or ruptured components can splash fluid in the eyes or on the skin and cause serious injury .
4 308741 Selection Charts TERMS: Light Fluid: Up to 18 seconds with No. 2 Zahn cup (20 centipoise) Medium Fluid: 19 to 28 seconds with No. 2 Zahn cup (20–64 centipoise) Heavy Fluid: Greater than 28 seconds with No. 2 Zahn cup (greater than 64 centipoise) -- 2.
308741 5 Selection Charts HVLP Spray Gun and Pressure Cup Assemblies Gun and Cup Includes: G un an d C up Assy . Part No. Gun Part No. Cup and Reg- ulator Part No.
6 308741 Air Flow and Atomizing Pressure NOTE: All tests were completed with the 0.055 in. (1.397 mm) nozzle, large pattern air cap, and the pattern adjust- ment valve fully open.
308741 7 T ypical Installation KEY A Delta Spray Gun See page 4 for gun part numbers. B Fluid Inlet; 3/8 npsm (R3/8–19) C Air Swivel Inlet; 1/4 npsm (R1/4–19) D Air Hose Recommend 5/16” (7.
8 308741 Setup 1. Connect the Air Line NOTE: D Y ou must install an air pressure regulator (F) on the gun air line to control air pressure to the gun. See Fig. 2. D If your regulated air source does not have a filter , install an air filter (G) on the air line to ensure a dry , clean air supply to the gun.
308741 9 Setup 3. Flush the Spray Gun. Before putting any paint through the spray gun, flush the gun out with a solvent that is compatible with the fluid to be sprayed, using the lowest possible fluid pressure and a grounded metal container .
10 308741 Setup 6. Adjust the Spray Pattern (continued) B. Adjust the fluid flow using the fluid pressure regulator (L) installed in the gun fluid line. T ypical industrial flow rates will vary with regulator pres- sures from 5 to 30 psi (34 to 210 kPa, 0.
308741 1 1 Setup 6. Adjust the Spray Pattern (continued) NOTE: D If the fluid adjustment knob is turned in all the way the gun will emit only air . D For continuous spraying, turn the fluid adjustment knob (8) counterclockwise until no restriction of the trigger movement is felt.
12 308741 Operation Pressure Relief Procedure W ARNING PRESSURIZED EQUIPMENT HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying acci- dentally .
308741 13 Daily Gun Care, Flushing, and Cleaning W ARNING PRESSURIZED EQUIPMENT HAZARD T o reduce the risk of a serious injury whenever you are instructed to relieve pressure, follow the Pres- sure Relief Procedure on page 12. CAUTION Clean all parts with a non-conductive solvent, com- patible with the fluid being sprayed.
14 308741 Daily Gun Care, Flushing, and Cleaning W ARNING PRESSURIZED EQUIPMENT HAZARD T o reduce the risk of a serious injury whenever you are instructed to relieve pressure, follow the Pres- sure Relief Procedure on page 12. 1. Relieve the pressure.
308741 15 Daily Gun Care, Flushing, and Cleaning 8. Remove the air cap retaining ring (15) and air cap (14). 9. T rigger the gun while you remove the fluid nozzle (12) from the gun with the gun tool (28). 12 14, 15 7045A 28 Fig. 19 CAUTION T rigger the gun whenever you tighten or remove the nozzle.
16 308741 Daily Gun Care, Flushing, and Cleaning 14. T rigger the gun while you install the fluid nozzle (12) with the gun tool (28). T ighten the nozzle securely to 125–135 in-lb (14–15 N S m) to obtain a good seal. 15. Install the air cap retaining ring (15) and air cap (14).
308741 17 T roubleshooting W ARNING PRESSURIZED EQUIPMENT HAZARD T o reduce the risk of a serious injury , follow the Pres- sure Relief Procedure on page 12 before checking or repairing any part of the gun or system. PROBLEM CAUSE SOLUTION Fluid flow is fluttering while spraying 1.
18 308741 Service Items Needed for Service D Gun T ool – provided D Packing Installation T ool – provided D Adjustable Wrench D Screw Driver D Lubricant part no.
308741 19 Service 12. Place the new fluid packings (5) and packing screw (8) onto the needle (13). See Fig. 27 for the orientation of the parts. 13. Insert the fluid needle (13) into the back of the insert (4) to install the fluid packings (5). 14. T ighten the packing screw (8) just enough to hold the packings (5) in the insert (4).
20 308741 Service 22. T o tighten the packing screw (8), turn the screw in until it touches the fluid packings (5), then tighten one full turn to pre-set the packings. Loosen the screw , then turn it in until it touches the packings again. T ighten the screw 1/12 turn more (equal to half the distance between points on the hex head).
308741 21 Service 1 1. Place the new fluid packings (5) and packing screw (8) onto the needle (13). See Fig. 27, page 19, for the orientation of the parts. 12. Insert the fluid needle (13) into the back of the insert (4) to install the fluid packings (5).
22 308741 Service NOTE: T o ensure proper alignment of the parts, follow the next steps in the order they are given. 27. Slide the insert (4) into the spray housing (2a), and install them onto the gun body (1). Align the hous- ing with the slot and lip (A) on the gun body (1).
308741 23 Notes.
24 308741 Parts 7586A 1 4 2a 2b 5 8 9 10 11 17 12 13 14 13a 15 26 16 22 20 23 19 24 25c 21 25a 25b 25d Item 2 includes 2a–2b Item 13 includes item 13a Item 25 includes 25a–25d 29 28.
308741 25 Parts Part No. 239559 to 239567 Pressure Feed HVLP Spray Gun Assembly Ref. No. Part No. Description Qty . 1 239721 BODY , gun 1 2 239651 SPRA Y HOUSING ASSY .
26 308741 Parts 7585A 1 4 2a 2b 5 8 9 10 11 17 12 13 14 13a 15 26 16 22 20 23 19 24 25c 21 25a 25b 25d Item 2 includes 2a–2b Item 13 includes item 13a Item 25 includes 25a–25d 29 28.
308741 27 Parts Part No. 239574 and 239575 Gravity Feed HVLP Spray Gun Assembly Ref. No. Part No. Description Qty . 1 239721 BODY , gun 1 2 239799 SPRA Y HOUSING ASSY .
28 308741 Accessories Cleaning Brush 105749 For use in cleaning gun Lubricant 1 1 1265 One 4 oz. (1 13 gram) tube sanitary (non-silicone) lubricant for fluid seals and wear areas. Fluid Whip Hose Assembly 239622 100 psi (0.7 MPa, 7 bar) Maximum Working Pressure Eases gun movement with increased hose flexibility .
308741 29 Accessories Gravity Cup For use with gravity feed gun. Nylon cup, 304 stainless steel 3/8 npsm(f) fluid inlet fitting, fluid filter cartridge included. 7636A Part No. Size 239714 16 oz. (474 cc) 239715 8 oz. (237 cc) Gravity Cup Holder Bracket 192407 Fits both gravity cup sizes.
30 308741 Dimensions 7048A 6.7 in. (170 mm) 7.6 in. (193 mm) T echnical Data Category Data Maximum W orking Fluid Pressure 100 psi (0.7 MPa, 7 bar) Maximum Working Air Pressure 100 psi (0.7 MPa, 7 bar) Maximum Compliant Inbound Air Pressure 40 psi (280 kPa, 2.
308741 31 Notes.
32 308741 Graco Standard W arranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by a n authorized Graco distributor to the original purchaser for use.
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