Instruction/ maintenance manual of the product 3A0149C Graco
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Instr uctions - P ar ts List G15/G40 Spra y Gun 3A0149C ENG A lightweight line of air-assi sted spra y guns for spra ying and finishing a v ariety of paints and coatings, par ticularly in ap plications requiring unif or m atomization and high transfer efficiency .
Models 2 3A0149C Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Manuals 3A0149C 3 Related Manu als This manual is av ailable in the f ollowing langua ges: Manual Lan guage 3A0149A En glish 3A0283A French 3A0282A Sp anish 3A0442 Chin ese 3A0443 Japanese 3A0.
Warnings 4 3A0149C Wa r n i n g s The f ollowing are ge neral warnings related to the se tup , use, g rounding, maintenance , and repair of this equipmen t. Additional, more specific warn ings may be f ound througho ut the body of this manual wher e applicable .
Warnings 3A0149C 5 EQUIPMENT MISUSE HAZARD Misuse can cause death or ser ious injur y . • Do not oper ate the unit when f ati gued or under the infl uence of drugs or alcohol. • Do not e xceed the maximum w orking pressure or temperatur e rating of the lo west ra ted system component.
Installation 6 3A0149C Installation T ypical Installation NO TE: The typical installation shown in F IG . 1 is only a guide f or selecting and insta lling air-assisted spra y sys- tems. Contact your Graco dist ributor for assistance in designing a system to meet y our needs .
Installation 3A0149C 7 Air Line 1. Install an air filter (A) on the gun air line to ensure a dr y , clea n air supply to the gun. D ir t and m oisture 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 pressu re to the gun.
Setup 8 3A0149C Setup Flush Bef ore Using Equipment 1. The equipment was tested wi th lightweight oil, which is left in the f luid passages to prot ect par ts. T o av oid contaminat ing your fluid with o il, flush the equipment with a compatib le solve nt bef ore using the equip- ment.
Setup 3A0149C 9 Re verse-A-Clean ® (RA C) Tip Assembl y Model 24C857 gu ns use a Rev erse-A-Clean ® (RAC) tip . T o ass emb le the RAC tip , in sert the seat housing into the air cap assembly . Inser t the SwitchTip . Inser t the gask et seat. Screw the RA C tip assembly onto the gun and tighten firmly by hand.
Operation 10 3A0149C Operation Be sure to read and f ollo w the Wa r n i n g s on pages 4 and 5 and throughou t the te xt of this instruction manual. K eep the w allet sized w arning card (222385), provided with the gun, with the oper ator of this equipment at all times .
Operation 3A0149C 11 How the Air -Assisted Spra y Gun Operates The air-assisted spr a y gun combines airless and air spra ying concepts . The spra y tip sh apes the fluid into a f an patter n, as does a conv entional air less spra y tip.
Operation 12 3A0149C HVLP Operation NO TE: F or HVLP oper ation, the atomization air must not e xceed 10 psi. Use HVLP V er ification Kit 24 C788 to v er- ify air psi. NO TE: The re is no f an adjustment when using RAC tips and caps. Fluid Application Alwa ys hold th e gun at a right angle from the su rf ace.
Daily Gun Care, Flushing, and Cleaning 3A0149C 13 Dail y Gun Care , Flushing, and Cleaning NO TICE Meth ylene chloride with f orm ic or propionic acid is not recommended as a flushing or cleaning so lvent with this gun as it will damage aluminum and n ylon componen ts.
Daily Gun Care, Flushing, and Cleanin g 14 3A0149C General System Maintenance 1. Relie v e the pressure, pag e 10. 2. Clean the fluid and air line f ilters daily . 3. Chec k f or any fl uid leakage from the gun an d fluid hoses. Tighten fittings or replace equipment as needed.
Daily Gun Care, Flushing, and Cleaning 3A0149C 15 5. Increase the pressure slowly . P oint the gun down into a grou nded metal container , and flush the gun with solv ent until all tr aces of fluid are remo ved fr om the gun passag es. 6. T ur n off the solv ent supply .
Daily Gun Care, Flushing, and Cleanin g 16 3A0149C 13. If th e diffuser was removed, trigg er the gun wh ile yo u reinstall the diffuser (5) with the gun tool (30). Tighten the diff user securely to obta in a good seal. T orque to 155-165 in-l b (18-19 N•m).
Daily Gun Care, Flushing, and Cleaning 3A0149C 17 Rotate the Switc hTip . Disengage the trigger loc k. T r igger the gun into a pa il to clear the clog. Engage the trigger loc k . Return the Sw itchTip to its or iginal position. Disengage the trigger loc k and continue spr a ying.
Troubleshooting 18 3A0149C T r oubleshooting NO TE: • Chec k all possible reme dies in the troub leshooting char ts bef ore disassemblin g the gun. • Some improper p atterns are caused by the improper balance be tween air and fl uid. Prob lem Cause Solution Fluid leakag e from back of fluid packing area.
Troubleshooting 3A0149C 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 , ble ed air from paint line . Attempting to “f eather” (par tially trigger the gun).
Repair 20 3A0149C Repair Repair Kits NO TE: • Seal Repair Kit 249422 is av ailab le. F or best results, use all the ne w par ts in the kit. Kit parts are marked with an asterisk, f or e xample (7*). • Plastic Seat Repair Kit 249424 and Carbide Seat Repair Kit 249456 are av ailab le and can be used with both Model G15 guns and Model G40 guns .
Repair 3A0149C 21 7. Reinsta ll the seat gasket (5b , carbide models only), seat (5c), and seat nut (5d). T orque to 45-5 0 in-lb . Be sure not to ov er tigh ten the nut. NO TE: • When reinstalling the carbi de seat (5c), the tapered end of the seat (red side) m ust point to ward the gun tip .
Repair 22 3A0149C Air V alve Repair 1. Unscrew the spri ng cap (11) from the ba ck of the gun body (1 ) using the gun tool (30) . Remove the two sprin gs (15 and 19) an d the shaft (9). 2. Push the air v alv e assemb ly (8*) out the bac k of the gun. See F IG .
Repair 3A0149C 23.
Repair 24 3A0149C Reassembl y NO TE: See Repair Kits , page 20. 1. Install the tube g asket (22* ) in the gun. Handti ghten the fluid tube con nector (C) into the gu n’ s fluid inlet. Handtighten th e air inlet fitting (17) and screw (20). T orque the fluid tube connector t o 150-160 i n-lb (17-18 N•m).
Repair 3A0149C 25 F IG . 43 1 2 3 4 5a 6 (G15 only) *7 *8 9 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 TI6579 D 10 9 1a 6 (G40 only) 10 11 *6a T orque to 150-160 in-lb (17-18 N •m).
Parts 26 3A0149C Pa r t s P art No. 24C853 a nd 24C854, G15 Gun P art No. 24C855, G40 Gun P art No. 24C856, G40 Gun, High Flow 1 2 3‡ 4 5a 6 (G15 only) *7 *8 9 11 13‡ 14‡ 15 17 19 21 *22 33 ◆ .
Parts 3A0149C 27 P art No. 24C854, G15 Gun with Plastic Seat P art No. 24C853, G15 Gun with Ca rbide Seat ▲ Replacement Danger and W ar ning labels, tags , and cards are av ailab le at no cost. * Included in Seal Repair Kit 24 9422 (purchase separately) .
Parts 28 3A0149C P art No. 24C855, G40 Gun with Standar d Tip P art No. 24C856, G40 Gun, High Flow ▲ Replacement Danger and W ar ning labels, tags , and cards are av ailab le at no cost. * Included in Seal Repair Kit 249422 (purch ase separately). ✖ Included in Carbide Seat Re pair Kit 249456 (purchase separa tely).
Parts 3A0149C 29.
Parts 30 3A0149C P art No. 24C857, G4 0 Gun with RA C Tip 1 2 3‡ ★ 4 ★ 5a *7 *8 9 11 13‡ 14‡ 15 16 17 19 20 *22 ★ *5f ★ *5g ★✖ 5b *2a 1a TI7203B 29 30 28* 33a ★ 35 ★ 6 33 ★ *6a.
Parts 3A0149C 31 P art No. 24C857, G4 0 Gun with RA C Tip ▲ Replacement Danger and W ar ning labels, tags , and cards are av ailab le at no cost. * P ar ts included in Seal Repair Kit 24 9422 (purchase separately) . ✖ P ar ts included in Carbide Seat Repa ir Kit 249456 (purchase separa tely).
Spray Tip Selection Ch art 32 3A0149C Spra y Tip Selection Char t Spra y Tips, f or use with G15/G40 Air Cap AAM Fine Finish Spray Tips Recommended f or high finish quality application s at low and medi um pressures . Order desired tip , Part No. AAMxxx, where xxx = 3-digit number from matr ix below .
Spray Tip Selection Chart 3A0149C 33 AAF Fine Finish Pre-Orifice Spra y Tips Recommended f or high finis h quality applica tions at low and medi um pressures . AAF tip s hav e a pre-orifice that assists in atomizing sheer thinn ing materials, including lacq uers.
Spray Tip Selection Ch art 34 3A0149C RA C SwitchTips, f or use with G40 RA C Air Cap, Continued NO TE: All tips in the Spra y Tip Selection Char ts below can be used with Model G40 guns equi pped with RA C air cap 24C921 . FFT Fine Finish RA C Spra y Tips Order desired tip , Part No.
Accessories 3A0149C 35 Accessories Use Only Genuine Gr aco 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-Lock fitting, 25 ft (7.62 m) lo ng, 3/8 in. (9.5 mm ) ID , nylon tub ing.
Accessories 36 3A0149C Plastic Seat Re pair Kit 249424 Kit includes replaceme nt plastic seat (pac k of 10), and seat nut f or Model G15 gun. SST Seat Repair Kit 287962 Kit includes assemb led diffuser with SST seat f or use with pigmented acid catalyz ed materials.
Accessories 3A0149C 37 P art Interc hangeability Guide NO TE: The ne w retaining ring is blac k and has coarse threads , while the old retainin g ring is silver and has fine threads. Any interchange will damage the threads on the ring and gun body . * Older model par t numbers incl ude 288xxx, 287xxx, 249xxx.
Dimensions 38 3A0149C 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.
Technical Data 3A0149C 39 Te c h n i c a l D a t a * All readings wer e taken with t he fan valv e fully closed (full f an siz e), at 20 psi (140 kP a, 1.4 bar ) and 100 psi (0.7 kP a, 7 bar) , and at the assumed o perator position. Sound P ower was tested to ISO 961 4-2.
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. Original instructions. This manual contains English.
An important point after buying a device Graco 3A0149C (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 3A0149C 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 3A0149C - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 3A0149C you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 3A0149C will certainly help you make a decision on the purchase.
If you already are a holder of Graco 3A0149C, 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 3A0149C.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 3A0149C. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 3A0149C 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
