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Graco Inc. 253472 manual

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Table of contents for the manual

  • Page 1

    Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2006, Graco Inc. is r egistered to I. S. EN ISO 9001 - Use with Ar chitec tural Coat ings, P aints, Roof Coatings and Below Grade Coatings - 4000 psi (27.6 MPa, 275.8 bar) Maximum W orking Pressure Model: 249318, 2 49617, 253471, 253472 Related Manuals Important Safety Instructions. R ea[...]

  • Page 2

    Warning 2 311283D Wa r n i n g The following ar e general warning relate d to the safe setup, use, grounding, mainte nance and repair of this equipment. Additional, more specif ic warnings may be found throug hout the body of this manual where applicable. Symbols ap- pearing in t he body of the manua l refer to these gen eral warnings. When these s[...]

  • Page 3

    Warning 311283D 3 EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injur y . • Do not oper ate the unit when f atigued or unde r the influence of drugs or alcohol. • Do not exceed the maximum workin g pressure or temperature rating of the lo west rated system component. See T echnica l Data in all equipment manuals . • Use fluids an[...]

  • Page 4

    Component Ide ntification 4 311283D Component Identification , ti7133b ti7107b 3 2 4 1 6 7 5 9 11 10 ti7133 8 Ref Descr iption 1 Hydraulic pump v alv e 2 Pressure c ontrol 3 Loc k r ing 4 Drain v alve 5 Engine ON/OFF s witch 6 Engine contro ls 7 T r igger loc k 8 Serial number ID label 9 Lift locations 10 Suction holder 11 Hydraulic oil fill[...]

  • Page 5

    Operation 311283D 5 Operation Pressure Relief Pr ocedure 1 Set pump valv e OFF . T urn engine OFF . 2 T ur n pressure to lowest setting. T r igger gun into pa il to relie ve pressure. 3 Open prime valve (v er tical). If you suspect that the spray tip or hose is completely clogged, or that pressure has not been fully relieved a fter following the st[...]

  • Page 6

    Maintenance 6 311283D Maintenance For detailed engi ne maintenance and specifications, refer to separate Honda Engines Owner’ s Manual, supplied. Spark Plug: • Use BPR6ES (NGK) or W20EPR -U (NIPPON- DENSO) plug , only . • Gap plug to 0.02 8 to 0.031 in. (0.7 to 0.8 mm) . • Use spark plug wrench when installing and remov- ing plug. F requenc[...]

  • Page 7

    Troubleshooting 311283D 7 T r oubleshooting PROBLEM CA U SE SOLUTION Gas engine pulls hard (wo n't star t) Hydraulic pressur e is too high T ur n hydrau lic pressure knob coun- terclockwise to lowest setting Gas engine does not start Switch OFF , lo w oil, no gasoline Consult engine man ual, supplied Gas engine doesn't w ork properly F au[...]

  • Page 8

    Troubleshooti ng 8 311283D The spra yer o verhe ats P aint b uildup on h ydr aulic compo- nents Clean Oil le vel is low Fill with oil. Spitting from gu n Air in fluid pump or hose Chec k for loose connect ions on siphon assemb ly , tighten, then rep- rime pump . Loose intak e suction Tighten. Fluid supply is low or empty Refill supply container . E[...]

  • Page 9

    Displacement Pump Replacement 311283D 9 Displacement Pump Replacement See manual 311485 for pump repair instructions. Re m ova l 1. Flush pump (36). Stop pump on down stro ke if possible . 2. Relieve pressure, page 5. 3. Remove suction se t (147) from pump (36). 4. Remove filter housing (110 ), page 15. 5. Remove clip (121). 6. Slide cover up (124)[...]

  • Page 10

    Displacement Pump Replacement 10 311283D 8. Loosen jam nut (122 ) with a hammer. Unscrew pump (36) fro m power head. 9. Remove pump (36). Installation 1. Screw jam nut (122) to bot tom of pump threads (36). 2. Slide cover (124 ) up over pump rod. Screw pump completely up into power head. 3. Hand tighten jam nut (1 22). Then tighten securely 1/8 to [...]

  • Page 11

    Displacement Pump Replacement 311283D 11 7. Install clip pin (121 ) to secure. 8. Install filter housin g (110), page 15. 9. Connect suction hose (147) to pump outlet (36). 121 125 ti7809 ti7772 110 36 147[...]

  • Page 12

    Pump Power Head Replacement 12 311283D Pump P o wer Head Replacement Re m ova l 1. Relieve pressure , page 5. 2. Remove h ydraulic lines (100, 101) from head (75) . 3. Loosen (4) mount ing bolts (7) on the adapt er enough to lift and re mov e assembly . 4. Remove power head f rom unit. Installation 1. Install pow er head on unit. 100 101 75 ti7803 [...]

  • Page 13

    Pump Power Head Replacement 311283D 13 2. Tighten power head bolts (7). Torque bolts to 4 00 + 10 in-lb (45 + 1 N•m). 3. Attach hoses (1 00, 101) to head (75). Torque to 450 + 10 in-lb (50.84 N•m) . 4. To purge air from hydr aulic lines, increase pressure enough to start hydr aulic motor stroking and allow fluid to circulate for 15 seconds.Turn[...]

  • Page 14

    Hydraulic Moto r 14 311283D Hydraulic Motor 1 2 3 4 1 450 in-lb (51 N.m) 600 in-lb (68 N.m) 60 in-lb (7 N.m) 930 in-lb (105 N.m) T orqued in 3 steps 2 3 4 ti7868[...]

  • Page 15

    Filter Housing Replacement 311283D 15 Filter Housing Replacement Re m ova l 1. Relieve pressure , page 5. 2. Remove paint and drain lines from f ilter housing. 3. Loosen filter housing fitting (110) until housing and remove hou sing from pump. Installation 1. Install filter housin g (110) in pump opening. 2. Tighten fitting. 3. Attach paint and dr [...]

  • Page 16

    Hydraulic Pump Replacement 16 311283D Hydraulic Pump Replacement Changing Hydraulic Oil Draining Oil a. Place drain pan unde r oil tank and drain plug. b . Unscrew reser voir (64) dr ain plug and drain oil from reser voir . Refilling Oil a. Replace drain plu g. b . Fill tank with Graco Hydraulic Oil, ISO 46. T ank holds appro ximately 4 gallons . R[...]

  • Page 17

    Hydraulic Pump Replacement 311283D 17 5. Remove (4) belt cover screws (79), washers (78) and grommets (80 ) (2 each side). 6. Remove belt cover (67). 7. Remove belt (19), page 20. 8. Loosen set-screws (87) on front of large pulley (4). 9. Remove pulley (4) from hydraulic pump shaft. 10. Remove nuts (10) and scr ews (9) holding pump to frame. 78 67 [...]

  • Page 18

    Hydraulic Pump Replacement 18 311283D 11. Remove hydraulic pump ( 3). 12. Remove fitting s (30, 34, 35) from pump (3) and set aside to use on the new pump. Installation 1. Install fitting s (30, 34, 35) from old pump on new pump . T orque fitting 30 and 35 to 60 0 + 10 in-lb (67.8 N.m). T orq ue fitting 34 to 45 0 in-lb (50.8 N.m). NO TE : Fill pum[...]

  • Page 19

    Hydraulic Pump Replacement 311283D 19 6. Replace set-screws (8 7). Tighten and to rque to 60 + 2 in-lb (6.8 + 0.2 N• m). NOTE: Tigh ten set-screw on shaft befo re tightening set-screw on pump shaf t. 7. Position belt (19) over pul leys (4, 6); Installing Belt, page 20. 8. Replace belt cover (67) and gr ommets (80), wash- ers (78) and screws (79),[...]

  • Page 20

    Hydraulic Pump Replacement 20 311283D Belt Remov al and Replacement (recommended method) Removing Belt a. Place a ziptie ar ound belt (19) . b . Slowly pull ziptie tow ard you while at the same time slowly pulling engine recoil to rotate pul- leys . It may be necessar y to repos ition zip tie and repeat this pr ocedure a f ew times to com- pletely [...]

  • Page 21

    Hydraulic Pump Replacement 311283D 21 Alternate Belt Remov al and Installation Removing Belt a. Loosen engine bolt s (21) to relie ve te nsion on belt. b . Slide belt off pulleys . Installing Belt a. Install belt (19) o ve r small (6) and large (4) pulleys . b . Tighten engine bo lts (21). T orque to 225 + 10 in-lb (25.4 + 1.1 N.m). c. Check belt ([...]

  • Page 22

    Hydraulic Pump Replacement 22 311283D Replacing Oil Reserv oir Re m ova l 1. Relieve pressure , page 5. 2. Drain oil fr om reservo ir (64) following Draining Oil procedure, page 16. Keep plug for use on new res- ervoir. 3. Remove fill cap (2 7) and filter as sembly (111). Keep for use on new reservoir. 4. Loosen and r emove suction hose (153). 5. R[...]

  • Page 23

    Hydraulic Pump Replacement 311283D 23 8. Remove (2) top bolts (86) and 2 bottom nuts (84) securing rese rvoir (64) to fram e. 9. Lift reservoir (64 ) out of frame. Installation 1. Install plug (102), ret ur n elbow (31), suctio n fitting (32), inlet screen (89) and filter assemb ly (111) in new rese r voir (64). ti7791 ti7846 ti7786 64 ti7806 27 11[...]

  • Page 24

    Hydraulic Pump Replacement 24 311283D 2. Install new reservoir (6 4) in frame. 3. Replace bolts (86) and nu ts (84). Tighten bolts. Torque to 125 + 1 0 in-lb 14 + 1.1 N•m). 4. Connect coolant line t o reservoir (64). Torque t o 225 in-lb (14.1 N.m ). 5. Reattach return lines (100, 101). Torq ue to 450 + 10 in-lb (51 + 1.1 N•m). 6. Reattach suct[...]

  • Page 25

    Hydraulic Pump Replacement 311283D 25 7. Verify drain plug has been replaced. Fill oil reserv oir with oil to high mark on dip stick (approximately 3.5 gallons). 8. Replace cap (27). Drain Plug ti7784 27 ti7785[...]

  • Page 26

    Changing Hydraulic Flui d Filter 26 311283D Changing Hydraulic Fluid Filter Re m ova l 1. Relieve pressure , page 5. 2. Loosen and remove hose (101) from fitting (103). 3. Remove filter housing (111) f rom reservoir (64). 4. Remove bottom filer cap (155) from housing (111). 5. Pull filter (10 8) off cap (155). Installation 1. Install ne w o-ring (1[...]

  • Page 27

    Cooler Replacement 311283D 27 Cooler Replacement Re m ova l 1. Relieve pressure , page 5. 2. Loose n ground scre w and remov e ground clam p (95) from sprayer . 3. Loose n and remove retur n line to oil tank and hydraulic line to cooler. 4. Remove screws (79) , washers (78) and su pport bar (77) from cooling coil (72) . 5. Remove coil (72) f rom sp[...]

  • Page 28

    Cooler Replacement 28 311283D Installation 1. Install ne w coil (72). Replace support bar (77), washers (78 ) and screws (79). Tighten scr ews. 2. Reconnec t return line to oil tank and hy draulic line to cooler. Torq ue to 225 in-lb (2 5.4 N.m). 3. Replace ground wir e (95) and tighten screw. To rque to 25-30 in -lbs (2.8 - 3.4 N.m). 4. Replace ba[...]

  • Page 29

    Motor Replacement 311283D 29 Motor Replacement Re m ova l 1. Relieve pressure , page 5. 2. Remove screws (79) and washers (78) and belt cover (67). 3. Remove belt (19), pa ge 20. 4. Remove screws (21), washers (70) and nuts (10) securing moto r (5) to frame. 5. Remove motor (5) f rom frame . Replacing Motor F an Removal a. Loose n and remove bolts [...]

  • Page 30

    Motor Replacement 30 311283D 5 21 70 80 6 65 24 14 86 10 87 78 79 67 4 19 ti7797[...]

  • Page 31

    Removing Handle 311283D 31 Remo ving Handle Fixed Mounting (optional) T o pre vent damaging the unit when transporting it in a truc k or on a trailer , Graco recommends fixed mounting to the vehic le . Repositioning Handle Bef ore yo u can secure the unit to a truck or t railer bed, yo u must reposition th e handle. 1. Remov e the 4 handle slee v e[...]

  • Page 32

    Removing Handle 32 311283D Securing Unit to V ehicle Bed F or fix ed mounting, f asten U-bolts o ver spra yer fr ame as indicated in the f ollowing illustration. 1. Reposition handle , steps 1-5, page 31. 2. Place U-bolts ov er spra yer frame and t hrough holes in v ehicle bed. Place a wa sher and nut o ver bolt end. Using a wren ch, tighten nut se[...]

  • Page 33

    Technical Data 311283D 33 Te c h n i c a l D a t a Spra yer GH833 Gas Hydraulic Pressure psi (b ar) 2750 (19.0) Hydraulic Reservoir Capa city Gallon (liters) 4.0 (15.1) Motor HP (kW) Honda 13 (9.7) Maximum Deliv er y gpm (lpm) 4.0 (15.1) Maximum Tip Siz e • 1 gun .065 • 2 guns .046 • 3 guns .037 • 4 guns .032 • 5 guns .028 • 6 guns .026[...]

  • Page 34

    Warranty 34 311283D Wa r r a n t y Graco warrants all equipment referenced in th is document which is manufactured by Graco and bearing its name to be free from de fects in material and workmanship on the date of sale to the or iginal purchaser for use. Wi th the exception of any sp ecial, extended, or limited warranty published by Graco, Graco wil[...]