Instruction/ maintenance manual of the product 309412F Graco
Go to page of 24
Repair Instructions GRACO INC. P .O. BOX 1441 MINNE APOLIS, MN 55440 - 1441 Copyright 2001, Graco Inc. is regis tered to I. S. EN IS O 9001 GMax R 7900 Air less Paint Spr ayer 3300 psi (227bar, 22.7 MP a) Maximum W orking Pres sure Se e page 2 for m odels num ber s.
309412 2 Models Model Se ries Descript ion 233718 A Lo- - Boy 233719 A Hi- - Boy 233720 A Lo- -Boy with RAC R X t ip, gun and hose 233721 A Hi- - Boy wit h RAC X tip, gun and hose T able of Contents W arnings and Caut ions 3 ......................... Maint enance 4 .
309412 3 W arnings and Cautions W ar ning Sy mbol W ARNING This s ymbol alert s you to t he possibility of serious injury or death if y ou do not follow t he instruct ions. Cauti on Sym bol CAUTION This s ymbol alert s you to t he possibility of damage to or destr uction of equipment if you do not follow the instructio ns.
309412 4 Main tenance W ARNING INJECT ION HAZ ARD The system pressure must be manually relie ved to preve nt the system fr o m star ting or spr aying accidentally . Fluid under high pres sure can be inject ed through the skin and c ause serious injury .
309412 5 T roubleshooting Relieve pres sure ; page 4. PROBLEM CAUSE SOLUTION E=XX is dis play ed Fault condit ion exi sts Deter mine f ault cor rect ion f rom t able, page 14. Engine won’t st art Engine swi tch i s OFF Tu rn engi ne swit ch ON Engine is out of gas Refi ll gas tank.
309412 6 T roubleshooting PROBLEM CAUSE SOLUTION Clut ch is worn, damaged, or incor rectl y positioned Replace clut ch. Manual 309890. Pini on assembly i s worn or damaged Repair or r eplace pini on assembly . Manual 309890. Pump output is low . Str ainer ( 89) is clogged Clean str ainer .
309412 7 T roubleshooting PROBLEM CAUSE SOLUTION Engine speed i s too hi gh Decrease t hrot tl e s et ting bef ore pr imi ng pump. Manual 309408. Clut ch squeaks each ti me clut ch engages Clut ch surf aces are not mat ched to each ot her when new and may cause noise Clut ch surf aces need to wear int o each other .
309412 8 Rollers Removal 1. Relieve pres sure ; page 4. 2. Fig. 1. Remove six c ap screws ( 56) lock washers (87), clip (35), and cover as sembly (13). Fig. 1 ti1860a 56 87 108 109 71 77 59 13 87 35 Note: A scr ew driver may be needed t o pry off cov er assemb ly .
309412 9 Drive Housing Removal 1. Relieve pres sure ; page 4. 2. Fig. 2. Dis connect gallon counting sensor . Fig. 2 ti1835a 3. Fig. 1. Remove six c ap screws ( 56) lock washers (87) and cover ass embly (13). 4. Fig. 3. Remov e two screws (59) and washers (87).
309412 10 Cam Follower Bearings Removal 1. Relieve pres sure ; page 4. 2. Fig. 9. Cyc le pump piston rod ( 222) to lowest position. T urn engine off. 3. Fig. 5. Remove six c ap screws ( 56), lock washers (87) and cover ass embly (13). Note: A scr ew driver may be needed t o pry off cover a ssembly .
309412 1 1 Engine Removal 1. Remove P inio n Assembly/ Roto r/Fi eld/ Pini on/ Clu tch, Clamp and Clutc h Housing ,a si n - str ucted in manual 309890. 2. Fig. 6. Dis connect all necessary wiring. 3. Fig. 7. Remov e two locknut s (7) and scr ews (6) fr om base of engine.
309412 12 On/Off Switch Removal 1. Relieve pres sure ; page 4. 2. Fig. 8. Remove f our screws (54) and disp lay/cover (5 2). 3. Pull display connector wings (A) open on P C board and pull display c onnector out . 4. Disconnect ON/ OFF s witch connect or (B) from P C board.
309412 13 Pressure Control Contr ol Boar d Removal 1. Relieve pres sure ; page 4. 2. Fig. 8. Remove four sc rews (54) and display/ cover (52). P ull display connect or wings (A) open on PC board and pull display c onnector out. 3. Remove 2 s crews (139).
psi bar MPa 309412 14 Pressure Control Repair Digital Display Messages Relieve pres sure before r epair ; page 4. No display does not mean that s prayer is not pressurized. DISPLA Y SPRA YER OPER A TION INDI CA T ION ACT ION No Disp lay Spr ayer may be pr essurized.
309412 15 Displacement Pump Removal See manual 309277 f or pump repair ins truct ions. 1. Flus h pump. 2. Fig. 9. Cyc le pump with pist on rod (222) in lowest position. 3. Relieve pres sure ; page 4. 4. Fig. 9. Remov e suction t ube (30) and hose (33).
309412 16 Displacement Pump Pump Pi n Clip Removal 1. Remove pum p (85). 2. Remove t wo bolts (107) , washers ( 79), pump brack et (1 10), pail hook (90) and shield (1 13). 3. Fig. 10. Remov e clip (71a). Insta llation 1. Fig. 10. I nstall clip (71a).
309412 17 Parts List & Drawing - - Pinion Assembly Ref N o. 8 and 71 Ref No. 8: P ini on Hou sing Assembl y 245400 Ref No. 71: Dri ve Housi ng Assemb ly 245444 Ref No.
309412 18 34 45 97 7 DET AIL A BOTTOM VIEW ti1831a 11 9 140 104 102 21 84 Parts Dr awing - - Sprayer s 103 85 107 79 11 0 11 3 77 68 13 76 87 56 108 109 *71 65, 66 105 8 87 56 1b 42 88 98 REF 49 81 49.
309412 19 Parts List Models 233718, 233719 Ref. No. Part No. Descri pti on Q ty . Ref. No. Part No. Descri pti on Q ty . 1 2 4 111 3 CLUTCH, ASSEMBL Y incl udes 1a, 1b, 23, 42, 44, 88, 1 1a ARMA TURE, clutch 1 1b ROT OR 1 3 193680 COLLAR, shaft 1 4 1 14530 ENGINE, gas, 5.
309412 20 Parts Drawing - - Sprayer 61n 61m 61k 310 74 55 147 141 122 302 51 29 310 50 51 302a 61d 61e 145 61c 61b 61a Ref 70 150 54 61j 61p 61f 139 139 52 61h 61g 61s 61q 22 61r 143 151 ti1838a 152.
309412 21 Parts List - - Sprayer REF NO. P ART NO. DESCRIPTI ON QTY REF NO. P ART NO. DESCRIPTI ON QTY 22 162485 ADAPTER 2 29 198553 P ANEL, c ontr ol 1 50 1 16167 KNOB, pot entiomet er 1 51 1 16752 S.
309412 22 Parts List /Drawing - - Sprayers with R AC 5 Ti p , G u n & H o s e Models 233720, 233721 Incl udes items 201 t o 204 Ref No. Part No. Descri pti on Qty 201 233719 Hi- Boy Sprayer 1 See part s li st on page 19 233718 Lo-Boy Spr ayer 1 See part s li st on page 19 202 240797 HOSE, grounded, nyl on; 3/8 in.
309412 23 T echnical Data Honda GX160 E ngine Power Rat ing @ 3700 rpm ANSI 5.5 Hors epower ....................... DIN 6270B/ DIN 6271 NA 2.9 Kw - - 4. 0 Ps ...................... NB 3.6 Kw - - 4. 9 Ps ...................... Maxim um working press ure 3300 psi .
309412 24 Graco Standard W a rranty Graco w arr ants al l equi pment m anufact ured by Gr aco and bearing i ts name t o be f ree f rom defect s in mat eri al and wor kmanship on t he date of sale by an author ized Graco di str ibut or to t he ori ginal purchaser f or use.
An important point after buying a device Graco 309412F (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 309412F 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 309412F - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 309412F you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 309412F will certainly help you make a decision on the purchase.
If you already are a holder of Graco 309412F, 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 309412F.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 309412F. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 309412F 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
