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Graco Inc. 310813D 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 310813D Repair GMAX ™ 3400 Airless Spra y e r s K orean patent: 10-064776 1 - For P ortable Airless Spra ying of Arc hitectural Coatings and P aints - 3300 psi (22.8 MP a, 228 bar) Maxim um Working Pressure Read all warnings and inst[...]

  • Page 2

    Manual Conventions 2 310813D Contents W ARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 T roubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Drive Housing and Connecting Rod . . . . . . . . . . . 8 Pinion Assembly/Clutch Arma[...]

  • Page 3

    Warning 310813D 3 Wa r n i n g The f ollowing warnings include general saf ety information f o r this equipment. Fur ther product specif ic war nings ma y be included in the text where applicable. WA R N I N G FIRE AND EXPLOSION HAZARD Flammab le fumes, such as solv ent and paint fumes, in wo rk ar e a can ignite or e xplode. T o help pre vent fire[...]

  • Page 4

    Warning 4 310813D EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injur y . • Do not exceed the maximum w or kin g pressure or temperature rating of the lowest r a ted system component. See T echnical Dat a in all equipment man uals. • Use fluids and solv ents that are compatib le with equipment wett ed par ts. See T echnical Data in[...]

  • Page 5

    Maintenance 310813D 5 Maintenance Pressure Relief Pr ocedure 1. Lock gun trigger saf ety . 2. T urn engine ON/OFF s witch to OFF . 3. Mov e pump switch to OFF and turn pressure control knob fully counterclockwise. 4. Unlock trigger safety . Hold metal par t of gun fir mly to side of grounded metal pail, and tr igger gun to reliev e pressure. 5. Loc[...]

  • Page 6

    Troubleshooti ng 6 310813D T r oubleshooting Prob lem Cause Solution Engine will not star t Engine s witch is OFF T urn engine s witc h ON Engine is out of gasoline Refill gas tank. Honda Engines Owner's Manual. Engine oil le vel is low T r y to star t engine. Replenish oil, if necessary . Honda Engines Owner's Manual. Spark plug is disco[...]

  • Page 7

    Troubleshooting 310813D 7 Pr oblem Cause Solution Pump output is low Strainer ( 16) is clogged Clean strainer . Piston ball (206) is not seatin g Service piston ball. Manual 309250. Piston packings are worn or damaged Replace pac kings. Manual 309 250. O-ri ng (227) in pump is worn or damag ed Replace o-ring. Manual 30 9250. Intak e valve ball is n[...]

  • Page 8

    Drive Housing and Connecting Rod 8 310813D Drive Housing and Connecting Rod NO TE: The item numbers ref erenced are f or the Hi-Bo y models. The Lo-Bo y models may ha ve dif f erent item numbers. Use the Hi-Boy item number and par t to find the corresponding Lo-Bo y par t and item number . Remo val 1. Reliev e pressure, page 5. 2. F IG . 1. Remo ve[...]

  • Page 9

    Pinion Assembly/Clutch Armature /Clamp 310813D 9 Pinion Assembl y/Clutch Armature/Clamp Pinion Assembl y/Clutch Armature Remov al Pinion Assembl y If pinion assembly (50) is not remov ed from cl utch housing (51), do 1. through 3. Otherwise, start at 4. 1. Reliev e pressure, page 5. 2. Remov e dr ive housing; page 8. 3. F IG . 14. Disconnect clutch[...]

  • Page 10

    Pinion Assembly/Clutch Armature/Clamp 10 310813D Installation Clutch Armature 1. F IG . 7. La y two stacks of tw o dimes on smooth bench surf ace. 2. La y armature (38) on two stacks of dimes. 3. Press center of hub d own to bench surface . F IG . 7 4. Install ar mature (38) on engine dr ive shaft. 5. Install four scre ws (35) and lock washers (34)[...]

  • Page 11

    Clutch Housing 310813D 11 Clutch Housing Remo val 1. Remov e cla mp . Do Clamp Remov al , pag e 10. 2. F IG . 10. Remov e four scre ws (60) and lock washers (59) which hold clutch housing (5 1) to engine . 3. Remov e screw (64) from under mounting plate (D). 4. Pull off clutch housin g (51). Installation 1. F IG . 10. Push on clutch ho using (51). [...]

  • Page 12

    Pressure Control 12 310813D Pressure Contr ol On/Off Switch Remo val 1. Reliev e pressure, page 5. 2. F IG . 13. Remov e two screws (91) and swing do wn cov er (77). 3. Disconnect ON/OFF s witch co nnector (B) from PC board. 4. Press in on two retaining tabs on each side of ON/OFF s witch (71) and remov e switch fr om cover . Installation 1. Instal[...]

  • Page 13

    Pressure Control 310813D 13 Contr ol Board Re m ova l 1. Reliev e pressure, page 5. 2. F IG . 13. Remov e two screws (91) and swing do wn cov er (77) 3. Remov e strain relief bushing (24a). 4. Disconnect engine and ground wires. 5. Disconnect at control board (90): • Lead (D) from potentiometer • Lead (E) from transducer • Lead (B) from ON/OF[...]

  • Page 14

    Displacement Pump 14 310813D Displacement Pump Remo val 1. Flush pump. 2. Reliev e pressure, page 5. 3. F IG . 15. Stop pump with piston rod (201) in its lowest position. 4. F IG . 14 . Loosen two screws (10) and remove pail hook (9). F IG . 14 5. F IG . 15. Remo ve hose (93). Us e screwdriv er ; push retaining spring up; push ou t pin (8). F IG . [...]

  • Page 15

    Displacement Pump 310813D 15 Installation 1. Fig. F IG . 17. Pul l piston rod out. Screw in pump until holes in connecting rod and piston rod align. F IG . 17 2. F IG . 11. Push pin (8) into hole. Push retaining r ing spring into groov e all the way around connecting rod. 3. F IG . 18 . Scre w jam nut down o nto pump until nut stop s. Screw pump up[...]

  • Page 16

    Parts 16 310813D Pa r t s P ar ts Drawing - GMAX 3400 Hi-Bo y Sprayer s DET AIL A Ref 46 42 43 Ref 19 DET AIL A Bottom View (Ref 93) 18 51 36 59 60 37 35 38 39 35 34 41 40 50 52 57 56 53 49 9 10 62 10 18 6 7 8 4 11 14 13 12 15 72 73 74 83 2 3 3 64 82 17 16 1 94 80 61 95 67 19 48 45 44 46 81 77 54 54 55 ti5524a 100 101 99 1 1 FOR P ARTS SEE P AGE 22[...]

  • Page 17

    Parts 310813D 17 P ar ts List - GMAX 3400 Hi-Boy Spra yers Model 248664 ▲ Replacement Danger and W ar ning labels, tags , and cards are av ailable at no cost * Included in Clutch Re placement Kit 241109 Ref. No. P ar t No. Description Qty . 1 108879 ENGINE, gasoline, 4.0 HP 1 2 110837 SCREW , flange, he x 2 3 110838 NUT , lock 2 4 246428 PUMP , d[...]

  • Page 18

    Parts 18 310813D P ar ts Drawing and Li st - Pinion Housing Ref No. 50: Pinion Ho using * Must be ordered sepa rately No. Part N o. Des cription Qty 50 PINION HOUSING 1 50a 287482 KIT , repair , coil 1 50b 105489 PIN 2 50c* 287485 PINION SHAFT 1 50d* 113094 RET AINING RING, large 1 50a 50c 50d ti5539a 50b 50e[...]

  • Page 19

    Parts 310813D 19 Notes[...]

  • Page 20

    Parts 20 310813D P ar ts Drawing - GM AX 3400 Lo-Boy Spra yers DET AIL A Ref 46 42 43 Ref 19 DET AIL A Bottom View 18 51 36 59 60 37 35 38 39 35 34 41 40 52 57 56 53 9 10 62 10 18 6 72 73 74 83 2 3 3 64 82 1 94 80 61 95 67 19 48 45 44 46 81 77 54 7 5 8 55 17 15 16 11 14 4 54 ti5525a 100 99 101 FOR P ARTS SEE P AGE 22 50 49 1 1 See parts page 18 (Re[...]

  • Page 21

    Parts 310813D 21 P ar ts List - GMAX 3400 Lo-Boy Spra yers Model 248666 ▲ Replacement Danger and W ar ning labels, tags , and cards are av ailable at no cost * Included in Clutch Re placement Kit 241109 † Included in Suction Hose Kit 249356 Ref No. Part N o. Des cription Qty 1 108879 ENGINE, gasoline, 4.0 HP 1 2 110837 SCREW , flange, h ex 2 3 [...]

  • Page 22

    Pressure Control/Filter Assembly 22 310813D Pressure Control/Filter Assemb ly GMAX 3400 Sprayer s 50 CLUTCH (B) 50 CLUTCH (A) 70b 20 20 (A) 71 78 63 69 77 77 91 68 89 71 79 (A) to1 Engine 31 58 28 29 30 22b 22a 22 21 26 25 65 66 85 84 70a 90 91 97 24 ti5540a 27 81 24[...]

  • Page 23

    Pressure Control/Filter Assembly 310813D 23 Pressure Control/Filter Assemb ly GMAX 3400 Sprayer s Ref. P ar t Description Qty . 20 243222 TRANSDUCER, pressure contl includes 63 1 21 224807 BASE, valv e 1 22 235014 V AL VE, drain; includes 22a, 22b 1 24 119545 BUSHING, strain, relief 2 25 15 C780 HANDLE, 1 26 15C972 PIN, groo ved 1 27 16 4672 NIPPLE[...]

  • Page 24

    Complete Sprayers - with RAC X Tip, Gun & Hose 24 310813D Complete Spra yers - with RA C X Tip, Gun & Hose GMAX 3400 Airless P aint Spra yers Inc ludes items 201 to 204 Ref No. Part N o. Des cription Qty 201 248664 Hi-Bo y Spra yer 1 See par ts list on page 17 248666 Lo-Boy Spr ay er 1 See par ts list on page 21 202 240794 HOSE, g rounded, [...]

  • Page 25

    Technical Data 310813D 25 Te c h n i c a l D a t a Dimensions Honda GX120 Engine ANSI P ow er Rating @ 3600 r pm 4.0 Horsepo wer (2.9 kW) Maximum wo r king pressure 3300 psi (227 bar , 22.7 MP a) Noise Le vel Sound power 100 dBa per ISO 3744 Sound pressu re 86 dBa measured at 3. 1 feet (1 m) Maximum deliv er y rating 0.75 gpm (2.84 liter/min) Maxim[...]

  • Page 26

    Graco Standard Warranty 26 310813D Graco Standar d W arranty Graco warrants all equipment ref erence d in this document which is manufactured b y Graco and bearing its name to be free from de fec t s i n material and workmanship on the date of sale to the origin al purch aser for use. With the e xception of any special, extended, or limited warr an[...]