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Instructions - Parts
Automatic Airless
Spray Guns
Part No. 288048
For airless spraying of paints and coatings.
Part No. 288554
For sealant streaming applications.
4000 psi (28 MPa, 280 bar) Maximum Working Fluid Pressure
Mounting manifolds must be ordered separately. Refer to Parts section.
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Model 288048 Shown
311053E
TI8089a
II 2 G c T6
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Table of Contents
Troubleshooting
Related Manuals for Graco 288048
Summary of Contents for Graco 288048
- Page 1 Instructions - Parts Automatic Airless Spray Guns Part No. 288048 For airless spraying of paints and coatings. Part No. 288554 For sealant streaming applications. 4000 psi (28 MPa, 280 bar) Maximum Working Fluid Pressure Mounting manifolds must be ordered separately. Refer to Parts section.
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Page 2: Table Of Contents
Related Manuals Contents Related Manuals ......2 Warnings ....... . . 3 Installation . -
Page 3: Warnings
Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable. - Page 4 Warnings PRESSURIZED EQUIPMENT HAZARD Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and cause serious injury. • Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning, checking, or servicing equipment.
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Page 5: Installation
Installation Ventilate Spray Booth Check and follow all National, State, and Local codes regarding air exhaust velocity requirements. Check and follow all local safety and fire codes. Configure Gun and Manifold (Order manifold separately. See Accessories, page 26.) Manifolds 241161 and 241162 The gun is supplied with an internal fluid plug (4). -
Page 6: Install Air Fittings
Installation Install Air Fittings 1. Install 1/4 in. tube fitting into the cylinder (CYL) air port. 2. Install plugs into the atomization (ATOM) air port and the fan (FAN) air port. . 2: Air Fittings Ground System The following grounding instructions are minimum requirements for a system. -
Page 7: Mount Gun
Mount Gun Reciprocating Arm Rod Mount Manifolds 241161 and 241162 To mount the gun on a reciprocating arm rod [0.5 in. (13 mm) diameter maximum]: 1. Insert the mounting bar (A) through the hole in the manifold as shown in F . -
Page 8: Setup
Setup Setup Air Line and Accessory Recommendations 1. Install an air pressure regulator on the gun cylinder air supply line. A minimum of 70 psi (0.49 MPa, 4.9 bar) air pres- sure must be supplied to the cylinder for proper operation. - Page 9 Manifolds 288219 and 288220 6. In a circulating system, connect an electrically con- ductive fluid hose to the gun fluid outlet (G). In a non-circulating system, remove the gun fluid outlet fitting (G) and plug the outlet port with the pipe plug (109) supplied.
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Page 10: Flush Spray Gun
Setup Flush Spray Gun Before running any paint through the spray gun: 1. Flush the gun with a solvent that is compatible with the fluid to be sprayed, using the lowest possible fluid pressure and grounded metal container. 2. Perform Pressure Relief Procedure; see page 11. Install Spray Tip 1. -
Page 11: Operation
Operation Pressure Relief Procedure 1. Shut off the power to the pump. 2. Turn off the air and fluid supply to the gun. 3. Close the bleed-type master air valve (required in the system). 4. Trigger the gun into a grounded metal waste con- tainer to relieve the fluid pressure. -
Page 12: Daily Gun Care
Daily Gun Care Daily Gun Care CAUTION Methylene chloride with formic or propionic acid is not recommended as a flushing or cleaning solvent with this gun as it will damage aluminum and nylon compo- nents. Solvent left in gun air passages could result in a poor quality paint finish. Do not use any cleaning method which may allow solvent into the gun air passages. -
Page 13: General System Maintenance
General System Maintenance • Perform Pressure Relief Procedure, page 11. • Clean the fluid and air line filters daily. • Check for any fluid leakage from the gun and fluid hoses. Tighten fittings or replace equipment as needed. • Flush the gun before changing colors and whenever you are done operating the gun. -
Page 14: Troubleshooting
Troubleshooting Troubleshooting Check all possible remedies in the troubleshooting charts before disassembling the gun. Some improper patterns are caused by the improper balance between air and fluid. Refer to Spray Pattern Troubleshooting, page 16. General Troubleshooting Problem Fluid leakage through venting holes. Worn o-rings or packings on needle Air leakage through venting hole. - Page 15 Problem Fluid needle will not trigger Fluid does not shut off. 311053E Cause Loose or missing fluid needle stop (17) or setscrew (16). Broken fluid needle (12). Air leaking around piston (21). Swollen piston o-ring (22). Insufficient air pressure on the trig- ger.
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Page 16: Spray Pattern Troubleshooting
Troubleshooting Spray Pattern Troubleshooting Problem Fluttering spray. Spitting spray. Irregular pattern. Air cap loosening. (Sealant gun only) Air cap (18) not properly tightened. Cause Insufficient fluid supply. Air in paint supply line. Worn seat (10, 41) or needle (12) ball. Dirty spray tip (9). -
Page 17: Service
Service Follow the Service Notes in Figs. 8 and 9 when reassembling the gun. Gun repair kits are available. See page 18. Refer- ence numbers marked with an asterisk (*) in the service procedures are included with the 288171 Air Seal Repair Kit. Reference numbers marked with a symbol (†) in the service procedures are included with the 288137 Fluid Repair Kit. - Page 18 Service 11† 3† . 13 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 N•m) Apply semi-permanent anaerobic sealant Torque to 4-5 in-lb (0.45-0.56 N•m) Tighten cap (18) until it bottoms out...
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Page 19: Reassembly
Reassembly 1. Perform the following applicable step: • Non-circulating Paint Guns: Lubricate the backup (6) and o-ring (5) and install them on the fluid outlet port plug (4). Install the plug in the fluid outlet port of the fluid housing (2). See F 13. -
Page 20: Parts
Parts Parts Model 288048 11† . 14 6† 3† 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 N•m) - Page 21 Model 288554 11† Ref. only Ref. only . 15 311053E SERVICE NOTES: Seat gasket (11) must be replaced if seat (41) 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 N•m) Apply semi-permanent anaerobic sealant Torque to 4-5 in-lb (0.45-0.56 N•m)
- Page 22 † Parts included in Fluid Seal Repair Kit 239896 (pur- chase separately). ★ An extra gasket (3) is included as a spare. ✓ Keep these spare parts on hand to reduce down time. ❖ Model 288048 only. ◆ Model 288554 only. Qty. 311053E...
- Page 23 Part No. 241161 North America Manifold Part No. 241162 International Manifold Ref. Part No. Description 101 192441 MANIFOLD, air 102 192442 MANIFOLD, fluid 103 120388 FITTING, tube, air inlet; 1/4 in. OD tube x 1/8 npt(m) 105 114246 SCREW, set; 5/16;0.437 in. long 114342❖...
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Page 24: Gg0 Series Tip Selection Charts
GG0 Series Tip Selection Charts GG0 Series Tip Selection Charts GG0 Series Spray Tips * Fluid Output oz/min (lpm) Orifice Size in. at 600 psi (mm) (4.1 MPa, 41 bar) 0.007 (0.178) .053 (0.20) 0.009 (0.229) .087 (0.33) 0.011 (0.279) 0.13 (0.49) 0.013 (0.330) 0.18 (0.69) -
Page 25: Sealer Application Tip And Air Cap Selection Charts
Sealer Application Tip and Air Cap Selection Charts Shower Tip Orifice Size No. of Orifices in. (mm) 0.021 (0.533) Streaming Tips Orifice Size Orifice Size Part. No. in. (mm) in. (mm) 0.025 (0.635) 270025 0.039 (0.991) 270037 0.027 (0.686) 270027 0.041 (1.041) 270039 0.029 (0.736) 270029 0.043 (1.092) 270041... -
Page 26: Accessories
Accessories Accessories Gun Manifolds Order separately; not included with gun. (See Parts, page 22.) Part No. 241161 North America Manifold Part No. 241162 International Manifold Part No. 244930 High Flow Ambient or Temperature Conditioned Mani- fold for streaming or spraying. Grounding Clamp and Wire 222011 High Pressure Ball Valves, Fluoroelastomer Seals... -
Page 27: Dimensions
Dimensions 3.0 in. (76.2 mm) . 19 311053E 2.0 in. (50.8 mm) 3.86 in. (98.0 mm) 5.23 in. (139.7 mm) 2.245 in. 0.5 in. (57.02 mm) (12.7 mm) Dimensions TI8113a 1.375 in. (34.9 mm) 2.0 in. (50.8 mm) TI8114a... -
Page 28: Mounting Hole Layout
Mounting Hole Layout Mounting Hole Layout 0.805 in. (20.5 mm) 0.187 in. (4.8 mm) Remove set screws when using bottom mounting pattern. . 20: Manifold Mounting Hole Layout 0.5 in. (12.7 mm) 0.4 in. Two M5 x 0.8 x 0.25 in. (6.3 mm) holes 1.375 in. -
Page 29: Technical Data
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 30: Graco Standard Warranty
Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale 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.