Instruction/ maintenance manual of the product G40 w/RAC tip Graco Inc.
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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.
Models 2 311001G Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 renc.
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 .
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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).
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.
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.
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).
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 .
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.
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.
Repair 311001G 23.
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).
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).
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 *.
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).
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 .
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).
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 .
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.
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 .
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.
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.
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.
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.
An important point after buying a device Graco Inc. G40 w/RAC tip (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco Inc. G40 w/RAC tip yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco Inc. G40 w/RAC tip - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco Inc. G40 w/RAC tip you will learn all the available features of the product, as well as information on its operation. The information that you get Graco Inc. G40 w/RAC tip will certainly help you make a decision on the purchase.
If you already are a holder of Graco Inc. G40 w/RAC tip, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco Inc. G40 w/RAC tip.
However, one of the most important roles played by the user manual is to help in solving problems with Graco Inc. G40 w/RAC tip. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco Inc. G40 w/RAC tip along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
