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Plural Component Materlal Hazard used Graco Inc. does not msnufacture or supply any of the reactive chemical components that ara in this equip- ment and not responsible for their effects. Because of the vast number of chemicals that could be used and their varying chemical raactions, before using this equipment, the buyer and the user should determine all facts relating to the matarials used, including any of the potential hazards involved.
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HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY. R PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS. instruction manuals before operating equipment. Read and understand Pressure Relief Procedure General Safety Always relieve the fluid pressure the sprayer and hoses This eauiDment generates very high fluid pressure. Spray from before checking or adjusting any part of the system or any the gun,' leaks-or ruptured components can inject fluid component, to reduce the risk of serious bodily injury, in-...
FIRE OR EXPLOSION HAZARD Static electricity is created by high velocity flow of fluid grounding obtained through connection to g u n : through the pump and hose. if every part of the spray equip- a properly grounded fluid hose and pump. ment not propariy grounded, sparking may occur, and the system may become hazardous.
INDEX SPRAY NOZZLE PERFORMANCE C H A R T ..DELIVERY SPRAY NOZZLE PERFORMANCE CHART....POUR NOZZLE PERFORMANCE CHART Needle 'Outlet Pressure Nozzle Dlameter Dlameter ......... Klt No. In. (mml INSTALLATION............. Safety............Grounding ........... Optional 0-Rlngs A New Gun..6 .........
INSTALLATION The Graco Foam-Cap Gun has been designed and use. manufactured to withstand rugged But the interior surfaces cavities the gun, and the needle and nozzle, do require cere during installation, maintenance and service to avoid nicks and scratches. The following tools are supplied with the gun: 3/16"...
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The needle/nozzle kit includes the parts shown in Fig 3, except the pin vise (51) which holds the cleaning pin and the nozzle retainer NEEDLE IDJ PACKING NUTIG) PACKING (FJ NOZZLE IEJ To install the nozzle kit: (26) and to remove the (2).
3 / 1 6 wrench (48) to tighten the cap screw (71 firm- in-lb; 4.5 See Fig Connecting Hoses The Graco heated hoses and the fluid manifold RES. inlets are labeled IS0 Be very careful to make only IS0 to connec- tions.
OPERATION 1. Adjust the cleanoff air as instructed in the next Adjusting the Cleanoff Air column. Be sure the needle valves are closed. Each time the gun‘s trigger is released, the needle purges the nozzle and the cleanoff sir blows the purged 2.
Spray Pattern Adjustment NOTE: The following section will help you deter- minimize overspray and fogging, always use the mine how fluid temperature and pressure af- lowest fluid pressure possible to get the desired spray pattern. fect the spray pattern, and what ad- justments can be made to correct a poor The output pressure of both displacement pumps spray pattern.
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SMOOTH SURFACE TEXTURE Description: Wavy texture, Equipment Adjustments: None; has good surface texture. ORANGE PEEL TEXTURE Description: Fine texture, like the skin of an orange. Equipment Adjustments: None; has good surface texture. OFFICIAL PHOTOGRAPH NAVY...
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COARSE ORANGE PEEL TEXTURE Description: Surface texture has nodules and valleys of similar size and shape. Equipment Adjustments: More flow-out time needed before the rise and cream time. Atomized material too coarse. Increase fluid If condition persists, increase fluid pressure. temperature.
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ISOCYANATE-RICH SURFACE TEXTURE Description: Foam is dark in color; does not become tack-free in Caused by lack of Resin in the foam. Equipment Adjustments: Refill or replace the Resin supply. 2. Clean or replace the Resin feed pump. 3. Clean the intake filter of the Resin proportioning ..
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Re lecin 1. Engage the trigger safety latch (6). Close the needle valves (C) tightly, using the nut driver 3. Disengage the trigger safety. 4. Trigger the gun to relieve fluid pressure. 1. Have solvent container ready to clean th-e old parts.
Check the interior surfaces of the nozzle housing 4. Clean the rear impinger holes of the nozzle The tapered "steps" inside the nozzle housing must be free of fluid buildup. Soak the housing in through the nozzle while inserting the cleaning pin solvent to soften the foam, then use a soft bristled into the rear impinger holes.
GENERAL MAINTENANCE WARNING buildup of fluid on the nozzle end under the air cap can cause an irregular spray pattern. If that happens, reduce the risk of serious bodily injury, in- follow the Pressure Relief Procedure Warning, left. eyes cluding fluid injection and splashing in the Then thoroughly clean the air cap end nozzle.
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Fig 17 recommend using power flushing method, such as the Graco Solvent Flush Kit, No. 218-689. If you use this'kit, refer to instruction manuel 307-692 for the specific flushing procedure. Use this flushing procedure when Graco Solvent Flush Kit is not available.
SERVICE WARNING Pressure Relief Procedure 4. Trigger the gun to relieve fluid pressure. To reduce the risk of serious bodily injury, including fluid injection and splashing in the eyes or on the If the fluid continues to flow for more than a few skin, always follow this procedure before flushing or seconds when the gun is triggered, at least one of servicing any part of the gun.
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CAUSE SOLUTION PROBLEM air pressure too low. Gun operates slowly when is Inbound Increase air, but do not exceed triggered. 120 psi (8 bar) as damage to air valve O-rings may result. Air valve leaking air. Check for worn, damaged or valve as necessary.
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WARNING To reduce the risk of serious bodily injury, follow the Pressure Relief Procedure Warning on the Pressure Relief Procedure Warning on page before proceeding. page 2 3 1 1. Remove the nozzle housing assembly as instructed Air Valve (Refer to Fig in "Replacing the NeedlelNozzIe Assembly"...
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13. Reassemble the air valve using all new O-rings. Be careful not to wrench the stem guide (10) too tightly to avoid damage to the air valve1 Use lithium grease on all O-rings. 17. Remove the stem guide and drop in the new spring Use the eraser end of pencil to guide the O-rings goes all the way into the hole in...
PARTS DRAWING See back cover for ordering. Ref 25 Manifold Assy Items included with' Includes items 26-32 two of item 17. PRESS FIT INTO GUN BODY 111 Tools, items 47 t o with gun, are pictured o n page 6. Includes items 10-14, 16, three of 17.
T h b warranty dam not cover, and Graco shall not liabia for, any malfunction. damage or waar cauwd by faulty installation. misapplication, abrasion, wrrosion, inadequate or improper maintenance, negligence. accident, tampering. or subnnution of non-Graco component Pam. Nor or materiab not supplied Graco.
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