Instruction/ maintenance manual of the product 288048 HP (Hewlett-Packard)
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311053C Instr uctions - P ar ts A utomatic Airless Spra y Guns P ar t No. 288048 For airless spraying of paints and coatings. P ar t No. 288554 For sealant stre aming applications. 4000 psi (28 MP a, 280 bar) Maximum W orking Fluid Pressure Mounting manif olds must be ordered sep arately .
Related Manua ls 2 311053C Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 311053C 3 Wa r n i n g s The f ollowing warnings are f or the setup , use, g rounding, maintenance, and repair of this equipment. Th e e xclama- tion point symbol ale r ts you to a ge neral w ar ning and the hazard symbol ref ers to procedu re-specific risk.
Warnings 4 311053C PRESSURIZED EQUIPMENT HAZARD Fluid from the gun/dispense v alve , leaks, or ruptured components can spla sh in the e yes or on skin and cause serious injury . • F ollow Pressure Re lief Procedure in this manual, w hen you stop spra ying an d before cleaning, chec king, or servicing equipment.
Installation 311053C 5 Installation V entilate Spra y Booth Configure Gun and Manif old (Order manif old separately . See Accessories , page 26.) Manif olds 241161 and 241162 The gun is supplied with an int ernal fluid plug (4). See F IG . 1. T o use the gun in a circula ting system, rem ov e the internal plug.
Installation 6 311053C Install Air Fittings 1. Install 1/4 in. tube fit ting into the cylinder (CYL) air por t. 2. Install plugs into the atomizatio n (A TOM) air port and the f an (F AN) air por t. Gr ound System The f ollowing grounding instructions are minim um requireme nts f o r a system.
Installation 311053C 7 Mount Gun Reciprocating Arm Rod Mount Manif olds 241161 and 241162 T o mount the gun on a reciprocating ar m rod [0.5 in. (13 mm) diameter maxim um]: 1. Inser t the mounti ng bar (A) throug h the hole in the manif old as shown in F IG .
Setup 8 311053C Setup Air Line and Accessory Recommendations 1. Install an air pressure r egulator on th e gun cylinde r air supply line. A minimum of 70 psi (0.4 9 MPa, 4.9 bar) air pres- sure must be supp lied to the cylinder f or proper operat ion.
Setup 311053C 9 Manif olds 288219 and 288220 6. In a circulating system , connect an electr ically con- ductiv e fluid hose to the gun fluid outlet (G) . In a non-circulat ing system , remov e the gu n fluid outlet fitt ing (G) and plug the outlet port with the pipe plug (109 ) supplied.
Setup 10 311053C Flush Spra y Gun Bef ore r unning an y paint throug h the spra y gun: 1. Flush the gun with a solv ent that is compatib le with the fluid to be spr ay ed, using the lowest possib le fluid pressure and g rounded metal container . 2. P erfor m Pressure Relief Procedure ; see page 11.
Operation 311053C 11 Operation Pressure Relief Pr ocedure 1. Shut off the po wer to the pump . 2. T urn off the air and fluid supply to the gun. 3. Close the b leed-type master ai r v alve (required in the system). 4. T r igger the gun into a g rounded metal waste con - tainer to reliev e the fluid pre ssure.
Daily Gun Care 12 311053C Dail y Gun Care CA UTION Meth ylene chloride with formic or propionic acid is not recommended as a flushing or cleaning solv ent with this gun as it will damage aluminum and nylon compo- nents . CAUTION Solv ent left in gun air passage s could result in a poor quality pain t finish.
Daily Gun Care 311053C 13 General System Maintenance •P e r f o r m Pressure Relief Pr ocedure , page 11. • Clean the fluid and air line f ilters daily . • Chec k for an y fluid leakage from the gun and fl uid hoses. Tighten fitting s or replace equipment as needed.
Troubleshooting 14 311053C T r oubleshooting General T roub leshooting Check all possib le remedies in the troubleshooting char ts bef ore disassembling the gu n. Some improper patte r ns are caused by the improper balance be tween air and fluid. Ref er to Spray Pattern T roub leshooting , page 16 .
Troubleshooting 311053C 15 Fluid needle will not trigger Loose or missing fluid needle stop (17) or setscrew (16). Brok en fluid needle (1 2). Air leaking around piston (21). Swollen piston o-ring (22). Insufficient air pressure on the trig - ger . Spra y tip (9) is plugged.
Troubleshooting 16 311053C Spra y Pa ttern T roub leshooting Prob lem Cause Solution Flutter ing spra y . Insufficient fluid su pply . Air in paint supply line. Adjust fluid regulator or fill fluid sup- ply tank. Chec k, tighten siphon hose connec- tions , b leed air from pa int line.
Service 311053C 17 Service Disassembl y 1. Follo w Pressure Relief Pr ocedure , page 11. 2. Unscrew the four scre ws (14) and remove the gun from the ma nif o ld. 3. Unscrew the tip retainer nut (7). Re mov e the spra y tip (9) and ga ske t (8). See Figs.
Service 18 311053C F IG . 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 lub ricant 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.
Service 311053C 19 Reassembl y 1. P erf or m the f ollowing applicable ste p: • Non-circulating P a int Guns: Lubricate the backup (6) and o-r ing (5) and in stall them on th e fluid outlet port plug (4). Install the plug in the fluid outlet por t of the f luid housing (2) .
Parts 20 311053C Pa r t s Model 288048 F IG . 14 SERVICE NOTES: Seat gasket (11) must be replaced if seat (10) is removed or replaced to avoid fluid leakage Lubricate threads with anti-sei ze lubricant Lubricate with light-weight oil Do not lubricate Torque to 20-25 ft-lb (27-34 N•m) Apply semi-permanent an aerobic sealant Torque to 4-5 in-lb (0.
Parts 311053C 21 Model 288554 F IG . 15 SERVICE NOTES: Seat gasket (11) must be replaced if seat (10) is removed or replaced to avoid fluid leakage Lubricate threads with anti-sei ze lubricant Lubricate with light-weight oil Do not lubricate Torque to 20-25 ft-lb (27-34 N•m) Apply semi-permanent an aerobic sealant Torque to 4-5 in-lb (0.
Parts 22 311053C Pa r t s * P ar ts included in Air Seal Repair Kit 288171 (pur - chase separately). Th e kit includes some pa r ts that are not used on this gun . † P ar ts included in Fluid Seal Repair Kit 239896 (p ur- chase separately). ★ An e xtra gasket (3) is included as a spare.
Parts 311053C 23 P ar t No. 241161 Nor th America Manifold P ar t No. 241162 International Manif old ❖ P ar t No. 241161 only . ◆ P ar t No. 24 1162 only . P ar t No. 244930 High Flow Ambient or T emperat ure Conditioned Man i- f old for streaming or spra ying.
GG0 Series Tip Selection Charts 24 311053C GG0 Series Tip Selection Char ts GG0 Series Spra y Tips Orifice Size in. (mm) * Fluid Output oz/min (lpm) at 600 psi (4.1 MP a, 41 bar) Maximum P attern Width at 12 in. (300 mm) 2 to 2.5 (50) 4 to 4.5 (100) 6 to 6.
Sealer Application Tip an d Air Cap Selection Charts 311053C 25 Sealer Application Tip and Air Cap Selection Char ts Shower Tip Streaming Tips Single Orifice F an Pattern Spra y Tips No. of Orifices Orifice Size in. (mm) Pa r t . N o . 6 0.021 (0.533 ) C08224 Orifice Size in.
Accessories 26 311053C Accessories Gun Manif olds Order separa tely; not included with gun. (See Par t s , page 22.) P ar t No. 241161 Nor th America Manif old P ar t No. 241162 International Manif old P ar t No. 244930 High Flow Ambie nt or T emperature Conditioned Man i- f old for str eaming or spra ying.
Dimensions 311053C 27 Dimensions F IG . 19 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.
Mounting Hole Layout 28 311053C Mounting Hole La y out F IG . 20: Manif old Mounting Hole Lay out 0.4 in. Two M5 x 0.8 x 0.25 in. 0.805 in. ( 20.5 mm) 0.187 in. (4 .8 mm) 1.375 in. (35 mm) Two 0.128 dia meter x 0.31 in. (7. 8 mm) deep 2.125 in. (54 mm) holes (for a lignment pin ) Remove set screws when using bottom mounting patt ern.
Technical Data 311053C 29 Te c h n i c a l D a t a T rigg ering Speed These v alues apply to a new gun with a 6 ft (1.8 m), 1/4 in. (6. 3 mm) OD cylinder air line and a 0.019 in. tip . These v alues will vary slightly with use and with v ar iations in equipment.
All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. This manual contains English. MM 311053 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC.
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