Graco 239786 Instructions-Parts List Manual

Circulating, high pressure automatic airless spray gun

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INSTRUCTIONS-PARTS LIST

This manual contains important

warnings and information.

READ AND KEEP FOR REFERENCE.

INSTRUCTIONS

CIRCULATING, HIGH PRESSURE

Automatic Airless Spray Gun

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

GUN MANIFOLDS

Order separately; not included with gun

Part No. 241161, Series A

North America Manifold

Part No. 241162, Series A

International Manifold

Part No. 244930, Series A

High Flow Ambient or Temperature Conditioned Manifold

for streaming or spraying

Refer to page 2 for the Table of Contents.

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441

Graco Inc. is registered to I.S. EN ISO 9001

308813

Supersedes F

First choice when

quality counts.t

Rev. G

8153A

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Summary of Contents for Graco 239786

Page 1 High Flow Ambient or Temperature Conditioned Manifold for streaming or spraying Refer to page 2 for the Table of Contents. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 1998, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...
Page 2 D This equipment is for professional use only. D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. D Do not alter or modify this equipment. Use only genuine Graco parts and accessories.
Page 3 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. D Fluid injected into the skin might look like just a cut, but it is a serious injury.
Page 4 Configure the Gun and Manifold 8587A Fig. 1: Manifolds 241161 and 241162 Models 239786 and 241469 with Manifolds 241161 and 241162 The gun is supplied with an internal fluid plug (4). See The gun is supplied with an internal fluid filter (32).
Page 5 Installation Mount the Gun Manifolds 241161 and 241162 To mount the gun on a reciprocating arm [0.5 in. (13 mm) diameter maximum], insert the bar (A) M5 x 0.8 Capscrews through the hole in the manifold as shown in Fig. 2. Secure the gun to the bar by tightening the mounting screw (B).
Page 6 Installation Air Line and Accessory Fluid Line and Accessory Recommendations Recommendations WARNING 1. Install an air pressure regulator on the gun cylinder 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...
Page 7 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: D Side water inlet, 1/4 npt(f) In a non-circulating system, remove the gun...
Page 8 Installation Ground the System 3. Air, fluid, and hydraulic hoses connected to 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.
Page 9 The card contains important treatment information should an injection injury occur. Addi- INJECTION HAZARD tional cards are available at no charge from Graco. To reduce the risk of an injection injury, follow the Pressure Relief Procedure at left before removing or installing a spray tip.
Page 10 Operation Adjust Spray Pattern Clean the Spray Gun and System Daily 1. To adjust the spray pattern direction with fan tips, WARNING orient the slot in the tip horizontally for a horizontal pattern and vertically for a vertical pattern. See Fig.
Page 11 Operation Flush the Gun Daily NOTE: D Flush the pump and gun before the fluid can dry in WARNING D 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.
Page 12 Troubleshooting NOTE: WARNING D Check all possible remedies in the troubleshooting charts before disassembling the gun. INJECTION HAZARD To reduce the risk of an injection injury, D 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.
Page 13 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...
Page 14 Service 7. Pull the needle assembly (12) straight out the front WARNING of the gun. Remove the o-rings (31) from the fluid 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...
Page 15 Torque to 4–5 in-lb (0.45–0.56 NSm) Tighten cap (18) until it bottoms out Model 233670 gun uses a different tip (9), tip nut (7), and gasket (8), and the seat (10) does not include a diffuser. Fig. 8: Gun 239786 / 241469 shown 308813...
Page 16 Service SERVICE NOTES: Seat gasket (11) must be replaced if seat (10) is removed or replaced to avoid fluid leakage Lubricate threads with anti-seize lubricant Lubricate with light-weight oil Do not lubricate Torque to 20–25 ft-lb (27–34 NSm) Apply semi-permanent anaerobic sealant Torque to 4–5 in-lb (0.45–0.56 NSm) Tighten cap (18) until it bottoms out Used on non-circulating guns only...
Page 17 Service Reassembly 6. Install the o-rings (31) on the fluid needle assem- bly (12). Lubricate with light weight oil. 1. Perform the following applicable step: CAUTION D Non-circulating Paint Guns: Lubricate the back- up (6{) and o-ring (5{) and install them on the fluid outlet port plug (4).
Page 18 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...
Page 19 Parts Part No. 239786 shown 12 (Ref) Model 233670 gun does not include items 4, 5, 6, 8, 9, and 32. 8150A 308813...
Page 20 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 prevent interference with the gun. North America Manifold Apply anti-seize lubricant 222955 to threads Part No. 241162, Series A and mating faces of manifold (101) and any fittings and/or plugs used in the fluid ports.
Page 21 GG0 Series Tip Selection Charts For Models 239786 and 241469 GG0 Series Spray Tips Flow Rate Flow Rate Flow Rate Flow Rate Orifice Fan Width (tested in Orifice Fan Width (tested in Size Size at 12” at 12” water) water)
Page 22 GG0 Series Tip Selection Charts For Models 239786 and 241469 GG0 and GG1 Series Spray Tips Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No. Part No. Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No.
Page 23 GG0 Series Tip Selection Charts For Models 239786 and 241469 GG0 and GG1 Series Spray Tips Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No. Part No. Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No.
Page 24 GG0 Series Tip Selection Charts For Models 239786 and 241469 GG0 and GG1 Series Spray Tips Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No. Part No. Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No.
Page 25 GG0 Series Tip Selection Charts For Models 239786 and 241469 GG0 and GG1 Series Spray Tips Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No. Part No. Orifice Orifice Fan Width Fan Width Flow Rate Flow Rate Part No.
Page 26 Sealer Application Tip Selection Charts For Model 233670 with tip nut 198391 Shower Tip Streaming Tips Orifice Size Part No. Orifice Size Part No. No. of Orifices Orifice Size Part No. inches (mm) inches (mm) inches (mm) 0.025 (0.635) 270025 0.037 (0.940) 270037 0.021 (0.533)
Page 27 Accessories Use Only Genuine Graco Parts and Accessories Grounding Clamp and Wire 222011 Needle/Diffuser Options Needles must be used only with the specified seat to guarantee proper seating and life. 12 ga, 25 ft (7.6 m) wire D Standard viscosity/standard flow –...
Page 28 Technical Data Maximum working fluid pressure ... . 4000 psi (28 MPa, 280 bar) Maximum working air pressure ... . . 100 psi (0.7 MPa, 7 bar) Maximum working fluid temperature .
Page 29 Notes 308813...
Page 30 Dimensions and Mounting Holes For Guns 239786 and 241469 with Manifolds 241161 and 241162 2.0 in. 5.23 in. (50.8 mm) (139.7 mm) 3.0 in. (76.2 mm) 3.86 in. (98.0 mm) 8576A 8581A 0.805 in. (20.5 mm) 0.4 in. (10.2 mm) Two M5 x 0.8 x 0.25 in.
Page 31 Dimensions and Mounting Holes For Model 233670 4.8 in. (121.9 mm) 3.5 in. (88.9 mm) 1.25 in. (32 mm) 2.13 in. (54 mm) 2.25 in. (57.2 mm) TI1397A 0.92 in. Two M5 x 0.8 ISO-H holes (23.37 mm) 0.25 in. (6.35 mm) deep 0.805 in.
Page 32 Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.

This manual is also suitable for:

241469 233670 241161 241162 244930