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This manual contains important
warnings and information.
READ AND RETAIN FOR REFERENCE
INSTRUCTIONS
Model 700N
STAINLESS STEEL FLUID PASSAGES
Air Spray Gun
100 psi (7 bar) Maximum Working Fluid Pressure
100 psi (7 bar) Maximum Working Air Pressure
See the charts on pages 4 and 5 for complete air
spray gun ordering numbers and descriptions.
Table of Contents
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GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
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COPYRIGHT 1980, GRACO INC.
307-452
Rev. G
Supersedes F
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Summary of Contents for Graco 700N
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Page 1: Table Of Contents
........Graco Toll-Free Phone Numbers ....GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1980, GRACO INC. -
Page 2: Instructions
This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are not sure, call Graco Technical Assis- tance at 1–800–543–0339. Do not alter or modify this equipment. - Page 3 WARNING WARNING 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. Do not stop or deflect fluid leaks with your hand, body, glove, or rag. Follow the Pressure Relief Procedure on page 8 whenever you: are instructed to relieve the pressure;...
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Page 4: Ordering Charts
This makes your combination a P700N–03N–0 . Your application calls for a pressure feed gun . Chart 1 shows that the Graco part number for this Chart 1 shows this to be a P700N basic gun . combination is 217–752 . - Page 5 Ordering Charts Chart 2: Fluid Nozzle/Needle Combinations* Order Part Number Type Type Flow Rate Flow Rate Nozzle/ Orifice fl oz/min Recommended Usage Nozzle Only Needle Only Needle Size (liters/min) (see TERMS above) 0N/0N 0.047” 8–18 Light fluid 106–766 106–750 106–758 (1.2 mm) (0.24–0.54) Pressure feed...
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Page 6: Installation
Installation Pressure Feed Model Shown Model 700N Spray Gun Fluid Inlet; 3/8 npsm Air Inlet; 1/4 npsm Air Hose Air Shut-off Valve Air Regulator G Air Filter Air Supply Line Fig. 1 Ventilate the Spray Booth 1. Install an air filter (G) in the gun air supply line to ensure a clean dry air supply to the gun. - Page 7 Installation NOTE: On the gravity gun, gravity cups connect to the gun at a fluid inlet on the side of the gun. See Fig. 2. Gravity Cup Gravity Gun Fluid Inlet 3/8 npsm Fig. 2 307–452...
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Page 8: Operation
Operation NOTE: If the fluid adjustment knob is turned in all the Pressure Relief Procedure way, the gun will emit only air. WARNING Test the Spray Pattern PRESSURIZED EQUIPMENT HAZARD Hold the gun about 10 in. (254 mm) away from the sur- The system pressure must be manually relieved to face of the test piece. -
Page 9: Maintenance
Maintenance 2. Relieve the pressure. CAUTION 3. Wipe the outside of the gun clean with a solvent To avoid contaminating the fluid being sprayed, be dampened cloth. sure that the solvents used are compatible with the fluid being sprayed. 4. If the air cap and fluid nozzle need cleaning, re- To avoid getting solvent in the gun air passages, lieve the pressure, and remove the air cap (3) never immerse the gun in solvent. -
Page 10: Troubleshooting
Troubleshooting 2. Check all possible causes and solutions in the WARNING Troubleshooting Chart before disassembling the gun. To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the NOTE: Some improper patterns are caused by the Pressure Relief Procedure on page 8. - Page 11 Troubleshooting Problem Cause Solution Fluid packing nut leaking. Loose needle packing nut (9). Tighten. Worn needle packings (10). Replace. Air leakage from front of gun. Air valve (12, 13) not seating properly. Clean, service. Fluid leakage from front of gun. Needle (1) worn or damaged.
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Page 12: Service
Service Fluid Packing Replacement WARNING 1. If leakage occurs at the fluid needle packing nut To reduce the risk of serious injury whenever you (9), tighten the nut. If leakage does not stop, re- are instructed to relieve pressure, always follow the move the fluid adjusting valve knob (6), spring (7) Pressure Relief Procedure on page 8. - Page 13 Service If the air fitting (23) is removed, apply Loctite PST Installing Fluid and Air Fittings pipe sealant or equivalent to its threads and screw it If the fluid fitting (22) is removed, be sure to install its into the gun body. gasket and washer when reinstalling the fitting.
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Page 14: Parts
Parts Model 700N Includes items 1–23 307–452... - Page 15 Parts Ref. Ref. Part No. Description Qty. Part No. Description Qty. NEEDLE, fluid 106–732 KIT, packing, air valve See charts on page 5 106–730 TRIGGER NOZZLE, fluid 105–606 SCREW, pivot, trigger See charts on page 5 105–605 SCREW, retaining, trigger AIR CAP 106–729 VALVE, air adjustment...
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Page 16: Air Flow Charts
2. On the horizontal axis, note the air pressure that will be used. number refers to the 700N gun series. The next number refers to the fluid nozzle. The last number refers to the 3. Go up vertically until you intersect the actual flow air cap. - Page 17 Air Flow Charts (Gun Model – Nozzle – Air Cap) Model 700N–3N–3 Part No. 217–758 Air Flow (SCFM) Air Pressure (psig) Pressure Feed Fluid Flow Charts (Gun Model – Nozzle) Model 700N–0N Nozzle Part No. 106–750 FluidFlow (cc/min) 1600 1400...
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Page 18: Dimensional Drawing
Dimensional Drawing Reference Dimension 6.22 in. (158 mm) 3/8 npsm fluid inlet 7.13 in. (181 mm) 1/4 npsm air inlet Technical Data Maximum working fluid pressure ............100 psi (7 bar) Maximum working air pressure . -
Page 19: Accessories
Accessories Use Only Genuine Graco Parts and Accessories Air Atomizing Hose, Buna-N Throat Seal Liquid (TSL) 206–995 200 psi (14 bar) Maximum Working Pressure 1 quart (0.97 liter) non-evaporation lubricant for air and 5/16 in. (7.9 mm) ID; coupled 1/4 npsm(f) swivel both fluid packings. -
Page 20: Warranty
Graco distributor to the original purchaser for use. As purchaser’s sole remedy for breach of this warranty, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment proven defective.