Instruction/ maintenance manual of the product 3900 Graco
Go to page of 30
INSTRUCTIONS - P ARTS LIST 3300 psi (228 bar, 22.8 MP a) Max imum W orking P ress ure LineLazer III 3900 Model Se ries Descri pt io n 233688 A Str iper wit h one Gun 233689 A Str iper wit h Second G u.
309414 2 W arnings and Cautions W ar ning Sym bol W ARNING This s ymbol aler ts you to t he poss ibility of ser ious injury or death if you do not f ollow t he instr uct ions. Cauti on Sy mbol CAUTION This s ymbol aler ts you to t he poss ibility of damage t o or destr uction of equipment if you do not follow the instructio ns.
309414 3 Spray T ip Selection T able LineLa zer T ip Sele ction Guide. Sprayer is s upplied with t ip LL5319. F or addit ional applicat ions, use the t ip selec - tion t able as f ollows: Note: t he last thr ee digits ( LL5 319 ) of t he t ip part num ber ident ifies t he line width and t ip orif ice ( opening).
309414 4 Main tenanc e W ARNING INJECT I ON HAZ ARD The system pressure must be manually relie ved to prevent the system from star ting or sprayi ng accident ally . F luid under high pres sure can be injec ted t hrough t he skin and c ause serious injury .
309414 5 T roubleshooting Relieve pres sure ; page 4. PROBLEM CAUSE SOLUTION E=XX is dis pla ye d Fault condit ion exist s Deter mine faul t corr ection f rom t able, page 14. Engine won’t st art Engine swi tch is OFF Tu rn engi ne switch ON Engine is out of gas Refi ll gas t ank.
309414 6 T roubleshooti ng PROBLEM CAUSE SOLUTION Pump output is low Str ainer (31) i s clogged Clean str ainer . Sprayer 233716 strai ner is for use in pai nt only . Pist on ball (206) i s not seati ng Servi c e pist on ball. Manual 309277. Pist on packings are wor n or damaged Replace packi ngs.
309414 7 T roubleshooti ng PROBLEM CAUSE SOLUTION Gall on counter not wor king Broken or disconnect ed wire Check wir es and connections. Replace broken wi res.
309414 8 Bearing Housing and Connecting Rod Removal 1. Relieve pres sure ; page 4. 2. Fig. 2. Rem ove screws (27) and front c over (92). 3. Unscr ew suct ion tube ( 12) fr om pump, hold wrench on pum p intake v alve (A ) to k eep pump fr om loosening.
309414 9 Drive Housing Removal 1. Relieve pres sure ; page 4. 2. Fig. 3. Rem ove bearing hous ing. Do 1. through 8. of Be aring H ousing a nd Connec ting Rod proce- dure on page 8. 3. Fig. 3. Dis connect gallon counter sens or at (A). Cut t ie wra p holding gallon c ounting sens or wire to clut ch wire .
309414 10 Engine Removal 1. Remove P in io n Assembl y/ Roto r/ Fi eld /P in io n / Clu tch , Clamp and Clutch H ousing ,a s i n - str uct ed in Manual 309890. 2. Fig. 4. Dis connect all necessar y wiring. 3. Fig. 5. Rem ove tw o locknut s (72) and screws (131) f rom base of engine.
309414 1 1 On/Off Switch Removal 1. Relieve pres sure ; page 4. 2. Fig. 6. Remov e four scr ews (93) and display/ cover ( 139). 3. Pull display connect or wings ( A) open on PC boar d and pull display c onnector out. 4. Disconnect O N/O FF swit ch connect or (B) f rom P C board.
309414 12 T rigger Sensor Adjustment Refer t o T roubles hooting f or tr igger sensor adjus t- ment , and Manual 309413. Distance Sensor Ad justment Gear Al ig n ment 1. Relieve pres sure ; page 4. 2. Fig. 7. Rem ove dust cap (74) from wheel. Remove nut (62).
309414 13 Pressure Control Contr ol Board Removal 1. Relieve pres sure ; page 4. 2. Fig. 6. Remov e four scr ews (93) and display/ cover ( 139). P ull display connect or wings open on PC board and pull dis play connect or out . 3. Fig. 14. Dis connect at cont rol board (109): D Lead (D) fr om potent iomet er .
psi bar MPa 309414 14 Control Board Diagnostics Digital Display Messages Relieve pres sure bef ore repair ; page 4. No dis play does not mean that sprayer is not press urized. DISPLA Y SPRA YER OPER A TION INDI CA T IO N ACTI ON No Disp lay Spray er may be pr essur ized.
309414 15 Displacement Pump Removal 1. Flus h pump. 2. Relieve pres sure ; page 4. 3. Fig. 8. Cy cle pump wit h pist on rod (222) in its lowest posit ion. 4. Fig. 8. Rem ove suc tion t ube (12) and hos e (61). Fig. 8 7672C 222 61 12 5. Fig. 9. Us e scr ewdriver: push r etaining spr ing up and push out pin (96).
309414 16 Parts - - Pi ni on an d Drive Hou sin g Assembl ies Ref No. 183 and 101 Ref No . 183: P in io n Hou sin g Assemb l y 245715 fo r Li neL azer II I 3900; Pin i on Ho usi ng Assemb l y 245834 fo r Li neL azer 5900 Ref No .
309414 17 Parts - - LineLazer III Sheet 1 of 6 Parts P age 20 Parts P age 22 Parts P age 26 Parts P age 24 Parts P age 24 Parts P age 18 ti1954a.
309414 18 Parts - - LineLazer III Models 233688 and 233690 Sheet 2 of 6 52 80 140 177 9 222 202 172 131 194 46 161 166 7 42 15 162 64 58 188 54 72 70 137 69 129 68 167 68 67 130 72 82 62 74 70 75 57 6.
309414 19 Parts - - LineLazer III Ref. No. Part No. Descri ption Qty . Ref. No. Part No. Descri ption Qty . 6 196176 ADAPTER, nippl e 2 7 1 14271 STRAP , r etaining 1 9 1 14808 CAP , vi nyl 1 13 245798 HOSE, 1/4 in.
309414 20 Parts - - LineLazer III Detai l E (12) ti1942a Sheet 3 of 6 24 38 65 65 1 2 6 12 7 2 64 130 129 66 126 146 3 102 122 89 85 87 84 150 86 132 122 132 40 122 122 99 98 100 101 173 28 92 27 26 2.
309414 21 Parts - - LineLazer III Ref. No. Part No. Descri ption Qty . Ref. No. Part No. Descri ption Qty . 6 196176 ADAPTER, nippl e 2 12 245730 HOSE, sucti on and dr ain (i ncludes 12a - - 12n) 1 12.
309414 22 Parts - - LineLazer III Models 233688 and 233690 Sheet 4 of 6 131 11 6 152 158 Ref. 166 76 130 Ref. 166 68 72 164 (see Det a il D) 164m 164k 164x 164w 164v 164d 164g 164c 164p 164r 164u 164b 164s 164a 164f 164h 164n Detai l D (164) Ref. 167 41 Ref.
309414 23 Parts - - LineLazer III Ref. No. Part No. Descri ption Qty . Ref. No. Part No. Descri ption Qty . 41 1 14682 SPRIN G, compr ession 1 62 1 12405 NUT , lock 3 68 100731 W ASHER 4 72 101566 NUT.
309414 24 Parts - - LineLazer III Sheet 5 of 6 30 (See Det ail B) 133 124 4 11 3 1 15,1 18 Ref. 13 11 78 79 Ref. 182 77 39 17 16 Ref. 167 3 2 5 30g 30j 30h 30b 30n 30p 30m 30k 30n 30d 30e 30c 30f 30a Detai l B (30) 182 32 Ref. 46 178 Ref. 204 204 215 181 35 180 Ref.
309414 25 Parts - - LineLazer III Ref. No. Part No. Descri ption Qty . Ref. No. Part No. Descri ption Qty . 2 100021 SCREW , cap hex hd 2 3 100016 W ASHER, lock 2 4 243284 GUN, fl ex, basic 1 Manual 3.
309414 26 Parts - - LineLazer III Detai l A (200) Back Vi ew (42) ti1941a 47 48 61 200a 200b 200c 200d 200e 200f 200g 200h 200j 200k 200m 200n 200 (Se e D eta il A ) Ref. 51 185 176 49 Ref. 12j 199 186 169 184 198 201 81 148 23 19 24 139 174 11 4 93 149 169 Ref.
309414 27 Parts - - LineLazer III Ref. No. Part No. Descri ption Qty . Ref. No. Part No. Descri ption Qty . 1 1 14955 CONTROL, t hrot tle 1 8 1 14954 SWI TCH, rocker 1 10 109466 NUT , lock, hex 2 19 1.
309414 28 Pressure Co nt rol Wi rin g Di agram Fig. 14 ti1943a Disp lay Bo ard 125 ON/OFF Swit ch 24 T ran sd ucer 200p Potentiometer 81 Drive Hous ing 101 Pinion Hous ing 183 Dist ance Sen so r T ri .
309414 29 Accessories Fren ch 194931 Sp ani sh 194932 German 194933 Greek 194934 Korean 194935 En gl ish 194125 Apply other language here 03497A DANGER L ABEL S An English language DA NGE R label is on your spray er . If you have paint ers who do not read E n- glish, or der one of the f ollowing labels t o apply t o your s prayer.
309414 30 Graco Standard W arranty Graco w arr ants all equipment manuf actured by Gr aco and bearing i ts name t o be f ree f rom defect s in mat erial and workmanshi p on t he date of sale by an author ized Graco di stri butor t o the ori ginal pur chaser for use.
An important point after buying a device Graco 3900 (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 3900 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 3900 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 3900 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 3900 will certainly help you make a decision on the purchase.
If you already are a holder of Graco 3900, 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 3900.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 3900. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 3900 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
