Graco 308741N - Manuals - manualsarea.com

Page 2 - Symbols; Warning Symbol; Caution Symbol; CAUTION; WARNING; EQUIPMENT MISUSE HAZARD

2 308741 Symbols Warning Symbol WARNING This symbol alerts you to the possibility of seriousinjury or death if you do not follow the instructions. Caution Symbol CAUTION This symbol alerts you to the possibility of damage toor destruction of equipment if you do not follow theinstructions. WARNING IN...

Page 3 - PRESSURIZED EQUIPMENT HAZARD; FIRE AND EXPLOSION HAZARD

308741 3 WARNING PRESSURIZED EQUIPMENT HAZARD Spray from the gun, hose leaks or ruptured components can splash fluid in the eyes or on the skin andcause serious injury. D Do not stop or deflect fluid leaks with your hand, body, glove or rag. D Follow the Pressure Relief Procedure on page 12 when: yo...

Page 4 - Selection Charts; HVLP Spray Gun Assemblies; Pressure Feed Guns

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) -- 2.8 Volatile Organic Compounds, High-solid...

Page 5 - Optional HVLP Air Caps

308741 5 Selection Charts HVLP Spray Gun and Pressure CupAssemblies Gun and Cup Includes: Gun and Cup Assy. Part No. Gun Part No. Cup and Reg- ulator Part No. 1 qt. (0.95 liter) 239568 239560 239802 239569 239561 239802 239570 239562 239802 239571 239563 239802 HVLP Spray Gun and Gravity CupAssembli...

Page 6 - Air Flow and Atomizing Pressure; Air Flow

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. Air Flow 0 5 10 15 20 25 30 35 10 20 30 40 50 60 70 AIR FLOW (scfm) GUN INLET PRESSURE (psi) Atomizing Air Pressure (inl...

Page 7 - Typical Installation; Ventilate the Spray Booth

308741 7 Typical Installation KEY A Delta Spray GunSee 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” (7.9 mm) ID hose Optional 3/8” (9.5 mm) ID hose E Air Shut-off Valve F Air Regulator G Air Filter H Air Supply Line ...

Page 8 - Setup; Connect the Air Line; Connect the Fluid Hose

8 308741 Setup 1. Connect the Air Line NOTE: D You must install an air pressure regulator (F) on thegun air line to control air pressure to the gun. SeeFig. 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...

Page 9 - Position the Air Cap; Adjust the Spray Pattern

308741 9 Setup 3. Flush the Spray Gun. Before putting any paint through the spray gun, flushthe gun out with a solvent that is compatible with thefluid to be sprayed, using the lowest possible fluidpressure and a grounded metal container. Fig. 5 7035A WARNING PRESSURIZED EQUIPMENT HAZARD To reduce t...

Page 12 - Operation; Applying the Fluid

12 308741 Operation Pressure Relief Procedure WARNING PRESSURIZED EQUIPMENT HAZARD The system pressure must be manually relieved toprevent the system from starting or spraying acci-dentally. To reduce the risk of an injury from acci-dental spray from the gun, splashing fluid, ormoving parts, follow ...

Page 13 - General System Maintenance

308741 13 Daily Gun Care, Flushing, and Cleaning WARNING PRESSURIZED EQUIPMENT HAZARD To reduce the risk of a serious injury whenever youare 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 ...

Page 17 - Troubleshooting

308741 17 Troubleshooting WARNING PRESSURIZED EQUIPMENT HAZARD To 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. Fluid nozzle not tigh...

Page 18 - Service; Items Needed for Service; Fluid Packings Replacement

18 308741 Service Items Needed for Service D Gun Tool – provided D Packing Installation Tool – provided D Adjustable Wrench D Screw Driver D Lubricant part no. 111265; see Accessories , page 28, to order D Compatible Solvent Fluid Packings Replacement WARNING PRESSURIZED EQUIPMENT HAZARD To reduce t...

Page 20 - Complete Gun Packing Replacement

20 308741 Service 22. To tighten the packing screw (8), turn the screw in until it touches the fluid packings (5), then tightenone full turn to pre-set the packings. Loosen thescrew, then turn it in until it touches the packingsagain. Tighten the screw 1/12 turn more (equal tohalf the distance betwe...

Page 23 - Notes

Page 24 - Parts

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–2bItem 13 includes item 13aItem 25 includes 25a–25d 29 28

Page 32 - Graco Standard Warranty; Graco Information

32 308741 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on thedate of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limit...