Graco Inc. 288048 manual

311053E 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 an[...]

Related Manuals 2 311053E Contents R e l a t e dM a n u a l s ........................... 2 W a r n i n g s ................................. 3 I n s t a l l a t i o n ................................ 5 Ventilate Spray Booth ..................... 5 Configure Gun and Manifold ................ 5 Install Air Fittings ......................... 6 Ground[...]

Warnings 311053E 3 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 [...]

Warnings 4 311053E 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. • Tighten all fluid connections before opera[...]

Installation 311053E 5 Installation Ventilate Spray Booth 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). See F IG . 1. To use the gun in a circulating system, remove the internal plug. In a non-circulating system, leave the plug in p[...]

Installation 6 311053E 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. Ground System The following grounding instructions are minimum requirements for a system. Your system may include other equipment or objects that must be grou[...]

Installation 311053E 7 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 IG .3 . 2. Secure the gun to the bar by tightening the mount- ing screw (B). 3. Ensure the tip of the g[...]

Setup 8 311053E 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. Air pressure opens the valve, a spring closes the valve. A three-way air valve, which exhausts cylinder a[...]

Setup 311053E 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. Manifold 244930 7. This manifold is equipped with passages for circula[...]

Setup 10 311053E 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. Perform Pressure Relief Procedure ; see page[...]

Operation 311053E 11 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. 5. Open the pump drain valve (required in the system[...]

Daily Gun Care 12 311053E 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. CAUTION Solvent left in gun air passages could result in a poor quality paint finish. Do not use any cleaning method which may allow s[...]

Daily Gun Care 311053E 13 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. Dai[...]

Troubleshooting 14 311053E Troubleshooting General 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. Problem Cause Solution Fluid leakage through venting holes. Worn[...]

Troubleshooting 311053E 15 Fluid needle will not trigger 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. Spray tip (9) is plugged. Plug (4) is in the incorrect fluid port. Replace stop (17) or tighten setscrew [...]

Troubleshooting 16 311053E Spray Pattern Troubleshooting Problem Cause Solution Fluttering spray. Insufficient fluid supply. Air in paint supply line. Adjust fluid regulator or fill fluid sup- ply tank. Check, tighten siphon hose connec- tions, bleed air from paint line. Spitting spray. Worn seat (10, 41) or needle (12) ball. Dirty spray tip (9). S[...]

Service 311053E 17 Service Disassembly 1. Follow Pressure Relief Procedure , page 11. 2. Unscrew the four screws (14) and remove the gun from the manifold. 3. Unscrew the tip retainer nut (7). Remove the spray tip (9) and gasket (8). See Figs. 8 and 9. 4. Remove the cap (18) from the piston housing (1). Remove the springs (20 and 19). 5. Using the [...]

Service 18 311053E F IG .1 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) Apply semi-permanent anaerobic sealant Torque to 4-5 in-lb (0.45-0.56 N•m) Tighten[...]

Service 311053E 19 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 IG . 13. Reinstall the gasket (3). • Circulating Paint Guns: Reinstall the gas[...]

Parts 20 311053E Parts Model 288048 F IG .1 4 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.[...]

Parts 311053E 21 Model 288554 F IG .1 5 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?[...]

Parts 22 311053E Parts * Parts included in Air Seal Repair Kit 288171 (pur- chase separately). The kit includes some parts that are not used on this gun. † 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[...]

Parts 311053E 23 Part No. 241161 North America Manifold Part No. 241162 International Manifold ❖ Part No. 241161 only. ◆ Part No. 241162 only. Part No. 244930 High Flow Ambient or Temperature Conditioned Mani- fold for streaming or spraying. Ref. No. Part No. Description Qty. 101 192441 MANIFOLD, air 1 102 192442 MANIFOLD, fluid 1 103 120388 FI[...]

GG0 Series Tip Selection Charts 24 311053E GG0 Series Tip Selection Charts GG0 Series Spray Tips Orifice Size in. (mm) * Fluid Output oz/min (lpm) at 600 psi (4.1 MPa, 41 bar) Maximum Pattern Width at 12 in. (300 mm) 2t o2 . 5 (50) 4t o4 . 5 (100) 6t o6 . 5 (150) 8t o8 . 5 (200) 10 to 10.5 (250) 12 to 13 (300) 14 to 15 (350) 16 to 17 (400) 18 to 19[...]

Sealer Application Tip and Air Cap Selection Charts 311053E 25 Sealer Application Tip and Air Cap Selection Charts Shower Tip Streaming Tips Single Orifice Fan Pattern Spray Tips No. of Orifices Orifice Size in. (mm) Part. No. 6 0.021 (0.533) C08224 Orifice Size in. (mm) Part. No. Orifice Size in. (mm) Part. No. 0.025 (0.635) 270025 0.039 (0.991) 2[...]

Accessories 26 311053E 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, F[...]

Dimensions 311053E 27 Dimensions F IG .1 9 TI8113a TI8114a 2.0 in. (50.8 mm) 3.86 in. (98.0 mm) 5.23 in. (139.7 mm) 3.0 in. (76.2 mm) 1.375 in. (34.9 mm) 2.0 in. (50.8 mm) 2.245 in. (57.02 mm) 0.5 in. (12.7 mm)[...]

Mounting Hole Layout 28 311053E Mounting Hole Layout F IG . 20: Manifold Mounting Hole Layout 0.4 in. T w oM 5x0 . 8x0 . 2 5i n . 0.805 in. (20.5 mm) 0.187 in. (4.8 mm) 1.375 in. (35 mm) Two 0.128 diameter x 0.31 in. (7.8 mm) deep 2.125 in. (54 mm) holes (for alignment pin) Remove set screws when using bottom mounting pattern. (6.3 mm) holes 1.750 [...]

Technical Data 311053E 29 Technical Data Triggering Speed These values apply to a new gun wit ha6f t( 1 . 8m ) ,1 / 4i n .( 6 . 3m m )O Dc y l i nder air line and a 0.019 in. tip. These values will vary slightly with use and with variations in equipment. Sound Pressure Levels (dBa) Sound pressure measured 3.28 ft (1 m) from equipment. Sound Power L[...]

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. This manual contains English. MM 311053 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 1441[...]