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Graco 288048 manual

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Table of contents for the manual

  • Page 1

    Instr uctions - P ar ts A utomatic Airless Spra y Guns 311053H EN 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 . Ref er to Pa r ts section. Important Safety Instru ction[...]

  • Page 2

    2 311053H Contents W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 V entilate Spray Booth . . . . . . . . . . . . . . . . . . . . . 5 Configure G un and Mani f old . . . . . . . . . . . . . . . . 5 Install Air Fittings . . . . . . . . . . . [...]

  • Page 3

    Warnings 311053H 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. Ref er back to these wa rnings. Additional, pr oduct- specific w ar nings may be f[...]

  • Page 4

    Warnings 4 311053H 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. • Tighten all fluid connect ions [...]

  • Page 5

    Installation 311053H 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. In a non-circulatin g system, lea ve [...]

  • Page 6

    Installation 6 311053H 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. Y our system may include other equipment or objects tha[...]

  • Page 7

    Installation 311053H 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 . 3. 2. Secure the gun to t he bar b y tightening the mount- ing screw (B). 3. Ensure th e t[...]

  • Page 8

    Setup 8 311053H 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. Air pressure opens the v alve , a spr ing closes the v a lv e. A three-wa y air valv e, which e xh[...]

  • Page 9

    Setup 311053H 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. Manif old 244930 7. This manif old is equipped with passages [...]

  • Page 10

    Setup 10 311053H 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. Install Spra y Tip 1. P erfor m Pressure Relief Pr[...]

  • Page 11

    Operation 311053H 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. 5. Open the pump dr ain valv e (require[...]

  • Page 12

    Daily Gun Care 12 311053H 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. Do not use an y cleaning method which ma[...]

  • Page 13

    Daily Gun Care 311053H 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. • Flush the gun bef ore changing colors and whene ve r yo u are done oper a[...]

  • Page 14

    Troubleshooting 14 311053H 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 . Prob lem Cause Solution Fluid leakage through v e[...]

  • Page 15

    Troubleshooting 311053H 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. Plug (4) is in the incorrect fl uid por t. Replace stop (17) or tighten se[...]

  • Page 16

    Troubleshooting 16 311053H 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. Spitting spr ay . W or n seat (10, 41) or needle (12) ball. Dir [...]

  • Page 17

    Service 311053H 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. 8 and 9. 4. Remov e the cap (18) from th e piston housing (1). Remov e the springs (20 and 19)[...]

  • Page 18

    Service 18 311053H F IG . 13 SERVICE NOTES: Seat gasket (11) must b e replaced if seat (10) is re- moved 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-permanen t anaerobic sealant Torque to 6.5-7.5 in-lb (0.73-0.85 N•m)[...]

  • Page 19

    Service 311053H 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) . See F IG . 13. Reinstall the gasket (3). • Circulating P aint Guns: Re[...]

  • Page 20

    Parts 20 311053H 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 6.5-7.5 in-lb[...]

  • Page 21

    Parts 311053H 21 Model 288554 F IG . 15 SERVICE NOTES: Seat gasket (11) must be replaced if seat (41) 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 6.5-7.5 in-lb (0.73-0.[...]

  • Page 22

    Parts 22 311053H 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).  K eep these spare parts on hand to reduce do wn time.  Model 288048 only .  Model 288554 only . ?[...]

  • Page 23

    Parts 311053H 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. Ref. No. Part No. Description Qty . 101 192441 MANIFOLD , air 1 102 192442 MANIFOLD [...]

  • Page 24

    GG0 Series Tip Selection Charts 24 311053H 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 6.5 (150) 8 to 8.5 (200) 10 to 10.5 (250) 12 to 13 (300) 14 to 15 (350) 16 to 17 (400) 18 to 19[...]

  • Page 25

    Sealer Application Tip an d Air Cap Selection Charts 311053H 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 Siz e in. (mm) Par t . N o . 6 0.021 (0.533 ) C08224 Orifice Size in. (mm) Pa r t . N o . Orifice Siz e in. (mm) Par t . N o. 0.025 (0.635 ) 27[...]

  • Page 26

    Accessories 26 311053H 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. Grounding Clamp and Wire 222011 High Pres[...]

  • Page 27

    Dimensions 311053H 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) 2.0 in. (50.8 mm) 2.245 in. (57.02 mm) 0.5 in. (12.7 mm)[...]

  • Page 28

    Mounting Hole Layout 28 311053H 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. (6.3 mm) holes[...]

  • Page 29

    Technical Data 311053H 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. Sound Pressure Levels (dBa) Sound pressure me asured 3.28 ft (1 m) from equipment. Soun[...]

  • Page 30

    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. For patent information, see www.graco.com/patents. Original instructions. T his manual contains English. MM 311053 Graco Headquarters: Minneapolis[...]