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Instructions – Parts List
CIRCULATING, HIGH PRESSURE
Automatic Airless
Spray Gun
308813J
4000 psi (28 MPa, 280 bar) Maximum Working Fluid Pressure
Part No. 239786, Series A
Standard Spray Gun
Includes GG0 series tip of choice
Part No. 241469, Series A
Acid Catalyzed Fluid Spray Gun
Includes GG0 series tip of choice
Part No. 233670, Series A
Sealant Streaming Gun
Read warnings and instructions.
See page 2 for Table of Contents.
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Table of Contents Symbols Warning Symbol Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 WARNING Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 This symbol alerts you to the possibility of serious Service . . . . . . . . . . . . . . . . . . . . . . . .
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WARNING INJECTION HAZARD Spray from the gun, hose leaks, or ruptured components can inject fluid into your body and cause an extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on the skin can also cause a serious injury. Fluid injected into the skin might look like just a cut, but it is a serious injury. Get immediate medi- cal attention. Do not point the spray gun at anyone or at any part of the body. Do not put hand or fingers over the spray tip.
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Installation Non–Circulating Setup Shown (cutaway view) Ventilate the Spray Booth 1 Remove when used in circulating systems 2 Replace with an elbow (107) when used in circulating systems WARNING 3 Install filter in the fluid inlet port TOXIC FLUID HAZARD To prevent hazardous concentrations of toxic and/or flammable vapors, spray only in a properly ventilated spray booth. Never operate the spray gun unless ventilation 3 32 fans are operating. 4 1 101 107 Check and follow all of the National, Stat
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Installation Mount the Gun Manifolds 241161 and 241162 KEY To mount the gun on a reciprocating arm [0.5 in. C M5 x 0.8 Capscrews (13 mm) diameter maximum], insert the bar (A) through the hole in the manifold as shown in Fig. 2. Secure the gun to the bar by tightening the mounting screw (B). The tip of the gun should be 8 to 10 in. (200 to 250 mm) from the surface of the object being sprayed. All Manifolds C To mount the gun on a stationary support, see Fig. 3. Also refer to the mounting hole lay
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Installation Air Line and Accessory Fluid Line and Accessory Recommendations Recommendations 1. Install an air pressure regulator on the gun cylinder WARNING air supply line. INJECTION HAZARD To reduce the risk of property damage or A minimum of 70 psi (0.49 MPa, 4.9 bar) air pres- serious injury, including injection, which sure must be supplied to the cylinder for proper could be caused by component rupture operation. Air pressure opens the valve, a spring or unrelieved fluid pressure, closes t
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Installation Manifolds 241161 and 241162 Manifold 244930 This manifold is equipped with passages for circulating 6. In a circulating system, connect an electrically water to maintain the temperature of the gun. Ports conductive fluid hose to the gun fluid outlet (G). provided are: Side water inlet, 1/4 npt(f) In a non-circulating system, remove the gun Top water outlets, 1/8 npt(f) fluid outlet fitting (G) and plug the outlet port with Side RTD sensor, 1/8 npt(f) the pipe plug (109) suppl
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Installation 3. Air, fluid, and hydraulic hoses connected to Ground the System the pump: Use only electrically conductive hoses with a maximum of 500 feet (150 m) combined WARNING hose length to ensure grounding continuity. Check the electrical resistance of your air and fluid hoses FIRE AND EXPLOSION HAZARD at least once a week. If the total resistance to Improper grounding could cause static ground exceeds 29 megohms, replace the hose sparking, which could cause a fire or immediately. explosio
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Operation 5. Leave the drain valve(s) open until you are ready Safety to spray again. WARNING 6. If you suspect that the spray tip or hose is com- pletely clogged or that pressure has not been fully INJECTION HAZARD relieved after following the steps above, very Remember, this is not an air spray gun. slowly loosen the hose end coupling and relieve For your safety be sure to read and pressure gradually, then loosen the coupling follow the Warnings on pages 2 and 3 completely. Now clear the tip
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Operation Adjust Spray Pattern Clean the Spray Gun and System Daily 1. To adjust the spray pattern direction with fan tips, orient the slot in the tip horizontally for a horizontal WARNING pattern and vertically for a vertical pattern. See Fig. 7. INJECTION HAZARD To reduce the risk of an injection injury 2. Start the pump. Adjust the fluid pressure until the or splashing fluid in the eyes or on the spray is completely atomized. Use the lowest skin: pressure necessary to get the desired results.
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Operation NOTE: Flush the Gun Daily Flush the pump and gun before the fluid can dry in it. WARNING If it is available, the flushing procedure provided in the pump or sprayer manual should be used INJECTION HAZARD instead of this procedure. To reduce the risk of an injection injury, follow the Pressure Relief Procedure 1. Relieve the pressure as instructed on page 9. on page 9 before cleaning, removing, or installing a spray tip and whenever you are 2. Remove the spray tip. Clean the parts. i
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Troubleshooting NOTE: WARNING Check all possible remedies in the troubleshooting charts before disassembling the gun. INJECTION HAZARD To reduce the risk of an injection injury, Some improper patterns are caused by the follow the Pressure Relief Procedure improper balance between air and fluid. Refer to on page 9 before checking or servicing Spray Pattern Troubleshooting, on page 13. any of the system equipment and whenever you are instructed to relieve pressure. General Troubleshooting Prob
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Troubleshooting WARNING INJECTION HAZARD To reduce the risk of an injection injury, follow the Pressure Relief Procedure on page 9 before checking or servicing any of the system equipment and whenever you are instructed to relieve pressure. General Troubleshooting (continued) Problem Cause Solution Fluid does not shut off. Piston cap (18) is not fully tightened. Tighten piston cap until it bottoms out. Spring (19) is not in place. Check that spring is in position. Swollen piston o-ring (22). Rep
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Service 7. Pull the needle assembly (12) straight out the front of the gun. Remove the o-rings (31) from the fluid WARNING needle (12). INJECTION HAZARD To reduce the risk of an injection injury, 8. Remove the gasket (11). follow the Pressure Relief Procedure on page 9 before checking or servicing any of the system equipment and whenever you CAUTION are instructed to relieve pressure. Install a new gasket (11) whenever you remove the NOTE: seat (10) from the gun. Failure to install a new gas-
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Service Cutaway View 21 2 2 18 8 10 2 5 11 25* 3 T 3 7 11 26* 3 17 16 6 12 7 9 11 11 1 11 8 1 4 3 3 31 12 13* 23* 3 21 22* 3 19 20 SERVICE NOTES: Seat gasket (11) must be replaced if 1 seat (10) is removed or replaced to avoid fluid leakage 2 Lubricate threads with anti-seize lubricant 3 Lubricate with light-weight oil 4 Do not lubricate Torque to 20–25 ft-lb (27–34 Nm) 5 Apply semi-permanent anaerobic sealant. 6 7 Torque to 4–5 in-lb (0.45–0.56 Nm) 8 Tighten cap (18) until it bottoms
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Service SERVICE NOTES: Seat gasket (11) must be replaced if Model 233670 gun uses a different tip (9), tip 1 11 seat (10) is removed or replaced to nut (7), and a gasket (8), and the seat (10) avoid fluid leakage does not include a diffuser. Model 233670 gun does not include items 4, 5, 6, 8, 9, and 32. 2 Lubricate threads with anti-seize lubricant 12 3 Model 233670 gun only. Lubricate with light-weight oil 14 10 Max torque to 5 ft–lb (6.8 N*m) 4 Do not lubricate 5 Torque to 20–25 ft-lb (27–34
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Service 6. Install the o-rings (31) on the fluid needle assem- Reassembly bly (12). Lubricate with light weight oil. 1. Perform the following applicable step: Non-circulating Paint Guns: Lubricate the back- CAUTION up (6) and o-ring (5) and install them on the Be sure to keep the needle straight when installing it fluid outlet port plug (4). Install the plug in the in the piston housing. If the needle is bent it must be fluid outlet port of the fluid housing (2). See replaced. Fig. 9. 7. In
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Parts Use Only Genuine Graco Parts and Accessories Part No. 239786, Series A Part No. 233670, Series A Standard Automatic Airless Spray Gun Automatic Sealant Stream/Spray Gun Includes items 1–34 Includes items 1–3, 7, 10–31, 34 Part No. 241469, Series A Automatic Airless Acid Catalyzed Fluid Spray Gun Includes items 1–34 Ref. 16 114137 SCREW, set; 6–32; 1/8 in. long 1 No. Part No. Description Qty. Ref. No. Part No. Description Qty. 1 194143 HOUSING, piston 1 2 192688 HOUSING, fluid 1 17 192452 S
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Parts Part No. 239786 shown 14 2 15 31 12 11 10 1 5 1 32 1 1 8 9 6 1 1 7 4 1 3 16 14 12 (Ref) 18 20 26* 25* 19 17 22* 21 23* 1 1 Model 233670 gun uses a different tip (9), tip nut (7), and a gasket (8), and the seat (10) does not include a diffuser. Model 233670 gun 13* does not include items 4, 5, 6, 8, 9, and 32. 308813 19
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Parts Use Only Genuine Graco Parts and Accessories Flats must be parallel to the surface of the manifold (101) to Part No. 241161, Series A 1 prevent interference with the gun. North America Manifold Apply anti-seize lubricant 222955 to threads 2 and mating faces of manifold (101) and any Part No. 241162, Series A fittings and/or plugs used in the fluid ports. International Manifold 107 101 103 Ref. 1 No. Part No. Description Qty. 101 239892 MANIFOLD 1 103 113208 FITTING, tube, air inlet; 1/4 i
