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Graco 3400 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 310813 Re v C Repair GMAX ™ 3400 Airless Spra y er s K orean patent: 10-0647761 - For P or table Airless Spra ying of Ar chitectural Coatings and P aints - 3300 psi (22.8 MP a, 228 bar) Maxim um Working Pressure Read all warnings and[...]

  • Page 2

    Manual Conventions 2 310813 Rev C Contents W ARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 T r oubleshoot ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Drive Housing and Connecting Rod . . . . . . . . . . . 8 Pinion Assembly/Clut[...]

  • Page 3

    Warning 310813 Rev C 3 Wa r n i n g The f ollowing warnings include general saf ety inf or mation f o r this equipment. Fur ther product specific w ar nings may be included in the text where applicable. WA R N I N G FIRE AND EXPLOSION HAZARD Flammab le fumes, such as solvent and paint fumes, in work a re a can ignite or e xplode. T o help pre vent [...]

  • Page 4

    Warning 4 310813 Rev C EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injury . • Do not exceed the maximum w orkin g pressure or temperature rating of the lowest rated system component. See T echnical Data in all equipment manuals . • Use fluids and solv ents that are compatib le with equipment w etted par ts. See T echnical Data in[...]

  • Page 5

    Maintenance 310813 Rev C 5 Maintenance Pressure Relief Pr ocedure 1. Lock gun trigger saf ety . 2. T ur n 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. [...]

  • Page 6

    Troubleshooti ng 6 310813 Rev C T r oubleshooting Prob lem Cause Solution Engine will not star t Engine s witch is OFF T ur n engine s witch ON Engine is out of gasoline Refill gas tank. Honda Engines Owner's Manual. Engine oil le vel is lo w T r y to star t engine. Replenish oil, if necessary . Honda Engines Owner's Manual. Spark plug is[...]

  • Page 7

    Troubleshooting 310813 Rev C 7 Pr oblem Caus e 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. Man ual 309250. O-ri ng (227) in pump is worn or damag ed Replace o-ring. Manual 30 9250. Intak e valv e ba[...]

  • Page 8

    Drive Housing and Connecting Rod 8 310813 Rev C Drive Housing and Connecting Rod NO TE: The item number s ref erenced are f or the Hi-Boy models. The Lo-Bo y models ma y hav e diffe rent item numbers. Use the Hi-Boy item number and par t to find the corresponding Lo-Bo y par t and item number . Remo v al 1. Reliev e pressure, page 5. 2. F IG . 1. R[...]

  • Page 9

    Pinion Assembly/Clutch Armature /Clamp 310813 Rev C 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 clutch housin g (51), do 1. through 3. Otherwise, start at 4. 1. Reliev e pressure, page 5. 2. Remov e drive housing; page 8. 3. F IG . 14. Disconnect cl[...]

  • Page 10

    Pinion Assembly/Clutch Armature/Clamp 10 310813 Rev C Installation Clutch Armature 1. F IG . 7. La y two stacks of two dimes on smooth bench surf ace. 2. La y ar mature (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[...]

  • Page 11

    Clutch Housing 310813 Rev C 11 Clutch Housing Remo v al 1. Remov e clamp . Do Clamp Removal , page 10. 2. F IG . 10. Remov e four screws (60) and lock washers (59) which hold clutch housing (51) to en gine. 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 310813 Rev C Pressure Contr ol On/Off Switch Remo v al 1. Reliev e pressure, page 5. 2. F IG . 13. Remov e two screws (91) and swing down 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 remo ve switch fr om cov er . Installation 1. [...]

  • Page 13

    Pressure Control 310813 Rev C 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 down 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 O[...]

  • Page 14

    Displacement Pump 14 310813 Rev C Displacement Pump Remo v al 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 remov e pail hook (9). F IG . 14 5. F IG . 15. Remo ve hose (93). Use scre wdriver; push retaining spring up; push ou t pin (8). F [...]

  • Page 15

    Displacement Pump 310813 Rev C 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 al l the wa y around co nnecting rod. 3. F IG . 18 . Scre w jam nut do wn onto pump until n ut stops. Screw[...]

  • Page 16

    Parts 16 310813 Rev C Pa r t s P ar ts Drawing - GMAX 3400 Hi-Boy Spra yers '(7 $,/$ 5HI   5HI '(7 $,/$ %RWWRP9LHZ 5HI                        [...]

  • Page 17

    Parts 310813 Rev C 17 P ar ts List - GMAX 3400 Hi-Boy Spra yer s Model 248663 ▲ Replacement Danger and W arning labels, tags , and cards are av ailable at no cost * Included in Clutch Re placement Kit 241109 Ref. No. P art 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 PUM[...]

  • Page 18

    Parts 18 310813 Rev C P ar ts Drawing and Li st - Pinion Housing Ref No. 50: Pinion Ho using * Must be ordered sepa rately No. Part N o. Descri ption 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 D F G WLD E H[...]

  • Page 19

    Parts 310813 Rev C 19 Notes[...]

  • Page 20

    Parts 20 310813 Rev C P ar ts Drawing - GM AX 3400 Lo-Boy Spra yers '(7 $,/$ 5HI   5HI '(7 $,/$ %RWWRP9LHZ                              [...]

  • Page 21

    Parts 310813 Rev C 21 P ar ts List - GMAX 3400 Lo-Boy Spra yer s Model 248665 ▲ Replacement Danger and W arning 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. Descri ption Qty 1 108879 ENGINE, gasoline, 4.0 HP 1 2 110837 SCREW , flange , hex[...]

  • Page 22

    Pressure Control/Filter Assembly 22 310813 Rev C Pressure Control/Filter Assemb ly GMAX 3400 Sprayer s Models 248663 thr ough 248666 &/87&+% &/87&+$ E   $            $WR(QJLQH   [...]

  • Page 23

    Pressure Control/Filter Assembly 310813 Rev C 23 Pressure Control/Filter Assemb ly GMAX 3400 Sprayer s Models 248663 t hrough 24 8666 REF NO . PA R T NO . D ESCRIPTION QT Y 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, [...]

  • Page 24

    Complete Sprayers - with RAC X Tip, Gun & Hose 24 310813 Rev C Complete Spra yers - with RA C X Tip, Gun & Hose Models 248664, 248666 GMAX 3400 Airless P aint Spra yers Inc ludes items 201 to 204 Ref No. Part N o. Descri ption Qty 201 248663 Hi-Bo y Spray er 1 See par ts list on page 17 248665 Lo-Boy Spr ay er 1 See par ts list on page 21 2[...]

  • Page 25

    Technical Data 310813 Rev C 25 Te c h n i c a l D a t a Dimensions Honda GX120 Engine ANSI P ower Rat ing @ 3600 rpm 4.0 Horsepo wer (2.9 kW) Maximum wo rking 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 fe et (1 m) Maximum deliv er y rating 0.75 gpm (2.84 liter/min) M[...]

  • Page 26

    Graco Standard Warranty 26 310813 Rev C Graco Standar d W arranty Graco warrants all equipment ref erenced in this document which is manufactured by Graco and bearing its name to be free from de fe c 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 war[...]