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Graco Inc. G40 w/RAC tip manual

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Table of contents for the manual

  • Page 1

    Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2005, Graco Inc. is r egistered to I. S. EN ISO 9001 311001G Instr uctions - P ar ts List AA Series Spra y Gun For air-assisted spra ying and fi nishing of paints and coatings. Important Safety Instructions: Read all warnings and instr uctions in this manual. Sav e these instructions. Se[...]

  • Page 2

    Models 2 311001G Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 T ypical Instal[...]

  • Page 3

    Related Manuals 311001G 3 Related Manuals This manual is a vailabl e in the following la nguages: Manual Langua ge 311001 English 311145 Chinese 311146 Danish 311147 Dutch 311148 Finnish 311149 F rench 311150 German 311151 Italian 311152 J apanese 311153 K orean 311154 Norw egian 311155 P olish 311156 Russian 311157 Spanish 311158 Swedish[...]

  • Page 4

    Warnings 4 311001G Wa r n i n g s The f ollowing are gener al warnings related to the setup , use, g rounding, maintenance , and repair of this equipment. Additional, more specific war nings may be found throughout the body of this manual wher e applicable . Symbols that appear in the bod y of the manual ref er to these gener al warnings. When thes[...]

  • Page 5

    Warnings 311001G 5 PRESSURIZED ALUMINUM P ARTS HAZARD Do not use 1,1,1-trichloroetha ne, meth ylene chlor ide, ot her halogenated h ydrocarbon solv ents or fluids containing such solv ents in pressurized alumi num equipment. Such use can cause serious chemical reaction and equipment rupture , and result in deat h, serious injur y , and proper ty da[...]

  • Page 6

    Installation 6 311001G Installation T ypical Installation The typical installation sho wn in F IG . 1 is only a guide f or selecting and installing air- assisted spra y systems. Con- tact y our Graco distrib utor f or assistance in designing a system to me et your nee ds. Gr ounding Key: A Air Line Filter B Air Shutoff V a lve C Gun Air Pressure Re[...]

  • Page 7

    Installation 311001G 7 Air Line 1. Install an air filter (A) on the gun air line to en sure a dr y , clean air supply to the gun. D ir t an d moisture can ruin the appear ance of y our finished workpiece . See F IG . 1. 2. Install an air pressure reg ulator (C) on the gun air line to control air pressur e to the gun. 3. Install an air shutoff valv [...]

  • Page 8

    Setup 8 311001G Setup Flush Bef ore Using Equipment 1. The equipment was tested wi th lightw eight oil, which is left in the f luid passages to protect parts. T o av oid contaminat ing your fluid with oil, flush the equipm ent with a compatib le solvent bef ore using the equip- ment. See Flushing and Cleaning , page 14. 2. Relie ve the pressure . S[...]

  • Page 9

    Setup 311001G 9 Rever s e-A-Clean ® (RA C) Tip Model 249238 guns use a Re verse-A-Clean ® (RAC) tip . T o assemble the RA C tip , in ser t the seat housing into the air cap assembly . Inser t the SwitchTip . Inser t the gasket seat . Screw the RA C tip assembly onto the gun an d tighten firmly by hand. F IG . 8 F IG . 9 TI7196A TI7197A F IG . 10 [...]

  • Page 10

    Operation 10 311001G Operation Safety Pressure Relief Pr ocedure 1. Engage the trigger loc k. See F IG . 13. 2. Shut off the pu mp. See y our pump manual. 3. Shut off the gun air supply . 4. Disengage the trigger loc k. See F IG . 13. 5. Hold a metal par t of the gun firmly to a groun ded metal pail. T r igger the gun to reliev e pr essure. See F I[...]

  • Page 11

    Operation 311001G 11 How the Air -Assisted Spray Gun Operates The air-assisted spra y gun combines airless and air spra ying concepts . The spra y tip shapes the fluid into a f an pa tter n, as does a conventional airless spray tip . Air from the air cap fur t her atomizes th e fluid and co mpletes the atomizatio n of the paint tails into th e patt[...]

  • Page 12

    Operation 12 311001G HVLP Operation Fluid Application Alwa ys hold the gun at a right angle from the surf ace. Do not make an arc wi th the gun as it causes an unev en coat of fluid. See F IG . 16 . 1. T o achie ve the best result s when applying fluid, keep the gun per pendicular to t he surface and main- tain a consistent distance of appro ximate[...]

  • Page 13

    Daily Gun Care, Flushing, and Cleaning 311001G 13 Dail y Gun Care , Flushing, and Cleaning SKIN INJECTION HAZARD Fo l l ow t he Pressure Relief Pr ocedure on page 10 bef ore cleaning the gun. CA UTION Methlyene chloride with f or mic or propionic acid is not recommended as a flu s hing or cleaning solv ent with this gun as it will damage aluminum a[...]

  • Page 14

    Daily Gun Care, Flushing, and Cleaning 14 311001G General System Maintenance 1. Relie ve the pressure , page 10. 2. Clean the fluid and air line f ilters daily . 3. Chec k for an y fluid leakage from the gun an d fluid hoses. Tighten fittings or replace equip ment as needed. 4. Flush t he gun before changing colors and whenev er yo u are done opera[...]

  • Page 15

    Daily Gun Care, Flushing, and Cleaning 311001G 15 4. Connect the solv ent supply hose (T) to the gun. 5. Increas e the pressu re slowly . Po in t the gun down into a grou nded metal container , and flush the gun with solv ent until all traces of fluid ar e remov ed from the gun passag es. 6. T urn off the solven t supply . 7. Relie ve the pressure.[...]

  • Page 16

    Daily Gun Care, Flushing, and Cleaning 16 311001G 13. If th e diffuser was rem ov ed, tr igg er the gun wh ile yo u reinstall the diffuser (5) with the gu n tool (30). Tighten the diff user securely to ob tain a good seal. T orque to 1 55-165 in-lb (18-19 N•m). When properly tightened, the flange will bottom out on the gun. 14. Install the air ca[...]

  • Page 17

    Daily Gun Care, Flushing, and Cleaning 311001G 17 Rotate the Switc hTip . Disengage the trigger loc k. T rigger the gun into a pail to clear t he clog. Engage the trigger loc k. Return the Sw itchTip to its or iginal position. Disengage the trigger loc k and continue spra ying. F IG . 29 F IG . 30 SKIN INJECTION HAZARD Do not point gun at an yone o[...]

  • Page 18

    Troubleshooting 18 311001G T r oubleshooting General T roub leshooting SKIN INJECTION HAZARD Fo l l ow Pressure Relief Pr ocedure on page 10. Read w ar nings, page 4. • Chec k all possible remedies in the troub le- shooting char ts bef ore disassembling th e gun. • Some improper p atter ns are caused by the improper balance be tween air and flu[...]

  • Page 19

    Troubleshooting 311001G 19 Fluttering or spitting spray . Insufficient fluid supply . Adjust fluid regulator or fill fluid supply tank. Air in paint supply line . Chec k, tighten pump siphon hose connec- tions , bleed air from pa int line. Attempting to “feather” (par tially trigger the gun). Cannot “f eather” with an AA gun. Feather will c[...]

  • Page 20

    Repair 20 311001G Repair Items Needed f or Ser vice • Seal Installat ion T ool (28)-- provide d • Nut Drive r T ool (29) -- provided • Gun T ool (30) -- provi ded •O - r i n g P i c k •7 / 3 2 i n . H e x W r e n c h •3 / 1 6 i n . H e x W r e n c h • Compatib le Solvent • Lubricant (par t numb er 111265) Repair Kits F an V alve Rep[...]

  • Page 21

    Repair 311001G 21 4. Inspect the o-rings (5e* , 5f*, and 5g*) in place. Carefully remo ve the o-rings fro m the diffuser ho us- ing (5a) and repla ce if necessar y . 5. Remov e the seat nut (5d), seat (5c) and seat gask et (5b , carbide models only) using a 7/32 in. hex wrench. 6. Inspect the seat (5 c) and seat gasket (5b) an d replace if necessar[...]

  • Page 22

    Repair 22 311001G Air V alve Repair 1. Unscrew the spr ing cap (11) fro m the back of the gun body ( 1) using th e gun to ol (30). Rem ov e t he two spri ngs (15 and 19), the shaft (9), an d seat (10). 2. Push the air v alve asse mbly (8*) out the ba ck of the gun. See F IG . 40. 3. Inspect the u-cup ( 7*) in the gun body (1). If the u-cup is wor n[...]

  • Page 23

    Repair 311001G 23[...]

  • Page 24

    Repair 24 311001G Reassembl y 1. Install the tube gask et (22*) in the gu n. Handtighten the fluid tube con nector (C) into th e gun’ s fluid inlet. Handtighten th e air inlet fitting (17) and scre w (20). T orque t he fluid tube connector to 150-160 in-lb (17-18 N•m). T orque the air inlet fi tting to 175-185 in-lb (20-21 N•m). T orque the f[...]

  • Page 25

    Repair 311001G 25 F IG . 44 1 2 3 4 5a 6 (G15 only) *7 *8 9 10 11 12 13 14 15 16 17 18 19 20 21 *22 33 6 *6b *5e *5f *5g 5b ✖ (carbide only) 5c† ✖ 5d† ✖ 4 6 6 3 7 *2a 3 1 5 3 3 3 TI6579B 13 9 1a 6 (G40 only) 13 11 *6a T orque to 1 50-160 in-lb (17-18 N•m). Lubricate lightly . T orque to 1 55-165 in-lb (18-19 N•m). T orque to 2 0-30 in[...]

  • Page 26

    Parts 26 311001G Pa r t s P ar t No. 288844/G15 Gun P ar t No. 249242/G40 Gun P ar t No. 249246/G40 Gun, High Flow 1 2 3‡ 4 5a 6 (G15 only) *7 *8 9 10 11 13‡ 14‡ 15 17 19 21 *22 33 ◆ *6b *5e *5f *5g 5b ✖ (carbide only) 5c† ✖ 5d† ✖ *2a TI6579A 1a 6 (G40 only) ◆ *6a 21a (G15 only) TI6579B 29 30 28 * 12 16 18 20 16 (288844 & 2 [...]

  • Page 27

    Parts 311001G 27 P ar t No. 288844/G15 G un w/Plastic Seat P ar t No. 287926/G15 G un w/Carbide Seat ▲ Replacement Danger and Warning labels, tags, and cards are av ailable at no cost. * Included in Seal Repair Kit 249422 (purcha se separately). † Included in Plastic Seat Repair Kit 249424 (purchase separately). ✖ Included in Carbide Seat Rep[...]

  • Page 28

    Parts 28 311001G Pa r t s P ar t No. 249238/G40 Gun w/RAC Tip 1 2 3‡ ★ 4 ★ 5a *7 *8 9 10 11 13‡ 14‡ 15 16 17 19 20 *22 ★ *5f ★ *5g ★✖ 5b *2a 1a TI7203B 29 30 28* 33a ★ 35 ★ 6 33 ★ *6a 5c ✖★ 5d ✖★[...]

  • Page 29

    Parts 311001G 29 P ar t No. 249238/G40 Gun w/RAC Tip ▲ Replacement Dange r and Wa r ning labels, tags , and cards are av ailable at no cost. * P ar ts included in Seal Repair Kit 249422 (purcha se separately). ✖ P ar ts included in Carbide Seat Repair Kit 24945 6 (purchase separ ately). ‡ P ar ts included in T rigge r Repair Kit 249585 (pur- [...]

  • Page 30

    Spray Tip Selection Ch art 30 311001G Spra y Tip Selection Char t Spra y Tips, for use with AA Series Air Cap AAM Fine Finish Spray Tips Recommended f or high finish quality applications at low and medium pressures . Order desired tip (P ar t No. AAMxxx) from matr ix below . GG4 Industrial Spra y Tips Recommended f or high w ear applications at hig[...]

  • Page 31

    Spray Tip Selection Chart 311001G 31 RA C SwitchTips, f or use with AA Series Air Cap L TX RA C Spray Tips Order desired tip (P ar t No. L TXxxx) from matrix below . * Tips are tested in water . ❖ Measured with NO airflow . Air assist will tend to reduce patte r n lengths by 1 in. to 2 in. All tips in the Spra y Tip Selection Char ts below can be[...]

  • Page 32

    Spray Tip Selection Ch art 32 311001G RA C SwitchTips, f or use with AA Series Air Cap Continued FFT Fine Finish RA C Spray Tips Order desir ed tip (Par t No . FFTxxx) fr om matr ix below . WRX WideRA C Spray Tips Order desired tip (Part No . WRXx xx) from ma trix be low . * Tips are tested in water . ❖ Measured with NO airflow . Air assist will [...]

  • Page 33

    Accessories 311001G 33 Accessories Use Only Genuin e Graco P ar ts and Accessories Air Fitting and T ubing Kit 249473 Alternative-style connect or for air inlet and hose . 3/8 in. to 1/4 npt( f) Push-T o-L ock fitting, 25 ft (7.6 2 m) long, 3 /8 in. (9.5 mm ) ID , nylon tub ing. Air Hose 241811 100 psi (0.7 MP a, 7 bar) Maximum W or king Pressure 1[...]

  • Page 34

    Technica l Data 34 311001G T e chnical Data * All readings were ta ken with the f an valv e fully closed (full f an size), at 20 psi (140 kP a, 1.4 bar) and 100 psi (0.7 kP a, 7 bar), and at the assumed op erator position. Sound P ower was tested to ISO 9614 -2. Category Data Maximum Working Fluid Pres sure . . . . . . . . . . . . . . . . . . Model[...]

  • Page 35

    Dimensions 311001G 35 Dimensions 6.1 in. (15.5 cm) 8.0 in. (20.3 cm) 6.9 in. (17.5 cm) 5.0 in. (12.7 cm) Model G15 TI6583A 6.9 in. (17.5 cm) 5.8 in. (14.7 cm) 8.0 in. (20.3 cm) 6.9 in. (17.5 cm) Model G40 TI6845A[...]

  • Page 36

    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 311001 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 14[...]