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Graco Inc. ti12077a manual

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Table of contents for the manual

  • Page 1

    Graco Inc., PO Box 1441, Minn eapolis, MN 55440-1441 Copyright 2004, Graco Inc. is registered to I.S. EN ISO 9001 310824D Repair 390 ™ Airless Spra y er - For por table spray applications of ar chitectural paints and coatings - 3300 psi (22.7MP a, 227bar) Maximum W orking Pressure *all models not av aila b le in all countries IMPOR T ANT SAFETY I[...]

  • Page 2

    Manual Conventions 2 310824D Contents Manual Con ventions . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Component I dentifi cation . . . . . . . . . . . . . . . . . . . . 5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Pressure Relief [...]

  • Page 3

    Warning 310824D 3 Wa r n i n g The f ollowing warnings are f or the setup , use, ground ing, maintenance and re pair of this equipment. The e xclamation point symbol alerts you to a general w arning and the hazard symbol ref ers to procedure-specif ic risks. Ref er bac k to these w ar nings. Add itional, product -specific warnings ma y be f ound th[...]

  • Page 4

    Warning 4 310824D FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in w ork area can ignite or explode. T o help prev ent fire and e xplosion: • Do not spra y flammab le or combustib le materials ne ar an open flame or sources of ignition such as cigarettes, motors, and electr ical equipment. • P aint or solv ent flow[...]

  • Page 5

    Warning 310824D 5 EQUIPMENT MISUSE HAZARD Misuse can cause de ath or serious inj ur y . • Alwa ys wear appropriate glov es, ey e protection, and a respirator or mask when painting. • Do not operate or spray near children. K eep children awa y from equipment at all times. • Do not ov erreach or stand on an unstable suppor t. K eep eff ective f[...]

  • Page 6

    Component Ide ntification 6 310824D Component Identification S ti12008a R K A M N P F J H E U B A B U E H V F K J T T D D Item English A Pressure Control BO N / O F F s w i t c h DP o w e r C o r d E Fluid Outlet FP r i m e V a l v e HP u m p J Suction Hose KD r a i n H o s e MF l u i d H o s e NG u n PT i p R Guard S T rigger Safety Lock T M odel/[...]

  • Page 7

    Installation 310824D 7 Installation Gr ounding and Electric Requirements The spra yer cor d inc ludes: a g rounding wire wit h an appropriate gro unding contact. The spra yer require s: 110-120V Un its: 100-130V A C , 50/60 Hz, 1 1A, 1 phase , circuit with a ground ing receptacle. 240V Units: 210-255 V AC , 50/60 Hz, 7.5A, 1 ph ase, cir- cuit with [...]

  • Page 8

    Pressure Relief Procedure 8 310824D Pressure Relief Pr ocedure 1. T ur n OFF po wer and turn pressure cont rol to low est pressure se tting. 2. Hold gun against side of g rounded metal flushing pail. T rigger gun to relie v e pressure. 3. T ur n prime valv e do wn. If yo u suspect the spr a y tip or hose is clogged or that pressure has not been ful[...]

  • Page 9

    General Repair Information 310824D 9 General Repair Inf ormation • K eep all scre ws , nuts , w ashers, gaske ts, and electri- cal fittings remo v ed during repair proced ures. The se par ts usually are not pro vided with replaceme nt kits. • T est repairs after prob lems are correct ed. • If spra yer does not oper ate properly , revie w repa[...]

  • Page 10

    Troubleshooti ng 10 310824D T r oub leshooting WA R N I N G Read Electric Shoc k W arning , page 3, Burn Hazar d Wa r n in g , p age 4 and Pressure Relief Procedure , page 8. Prob lem What T o Check (If check is OK, go to ne xt check) What T o Do (When check is not OK, r ef er to this co lumn) Motor W on’t Operate Basic Fluid Pressure 1. Pressu r[...]

  • Page 11

    Troubleshooting 310824D 11 Basic Electrical See wiring diagr am, page 28 1. Electr ic supply . Meter must read 100-130 V A C f or 110-120 V A C models and 21 0-255 V AC f or 240 V A C models. Reset building circuit break er , replace building fuses . T r y another out let. 2. Extension co rd. Check e xtension cord continuity wi th volt meter . Repl[...]

  • Page 12

    Troubleshooti ng 12 310824D Low Outp ut 1. W orn spra y tip . Relie ve pressure , page 8. Repl ace tip . Ref er to gun instruction manual, 309639. 2. V er ify pump does not cont inue to strok e when gun trigger is released. Ser vice pump . See pa ge 14, Displacement Pump Replacement . 3. Prime valv e leaking. Relie ve pressure , page 8. Then re pai[...]

  • Page 13

    Troubleshooting 310824D 13 Motor runs and pump strokes 1. Prime V alve Open. Close prime valv e. 2. P aint supply . Refill and reprime pump . 3. Intak e strainer clogge d. Remov e and clean, then reinst all. 4. Suction hose leaking air . Tighten nut. Check o-rings on s wivel. 5. Intak e va lve ball an d piston ball are seating properly . See Pump M[...]

  • Page 14

    Displacement Pump Replacement 14 310824D Displacement Pump Replacement See manual 30 9250 f or pump repair instructions . Re m ova l 1. Relie ve pressure , page 8. 2. Loosen tw o screws (30 ) and rotate co v er (44). 3. Loosen nut (A) and remo v e hose set (35). Lo osen nut (B ) and remo ve th e high pressure hose (14). 4. Cycle pu mp until pin (32[...]

  • Page 15

    Displacement Pump Replacement 310824D 15 Installation 1. Extend pu mp piston r od full. Apply grease to top of pump rod at (D) or inside conne cting rod ( 7). Insta ll jam nut (11) on pump th reads. 2. Install pump rod (D) into connecting rod (7). 3. Install pum p pin (32) . V erify retainer sp ring (C) is in groo v e o v er pump pin. 4. Push pump [...]

  • Page 16

    Drive Housing Replacemen t 16 310824D Drive Housing Replacement Re m ova l 1. Relieve pressure , page 8. 2. Remove pump (9). Displacement Pump Repl ace- ment , page 14. Disconne ct pow er cord from outl et. 3. Remove two screws (30) and cover (32). 4. Remove f our screws (6). 5. Pull driv e housing (5) out o f motor front endbell. 6. Remov e gea r [...]

  • Page 17

    Spin Test 310824D 17 Spin T est See Wir ing Diagram, page 28. T o check armature, motor winding and brush electrical continuity: 1. Relieve pressure , page 8. Disco nnect po wer cord from outlet . 2. Remov e tw o scre ws (30) and shroud ( 29). 3. Remov e driv e housing (5), page 16 . 4. Disconnect motor conn ector (F). Armature Short Circuit T est [...]

  • Page 18

    Fan Replacement 18 310824D F an Replacement Re m ova l 1. Relieve pressure , page 8. Disco nnect po wer cord from outl et. 2. Remov e tw o scre ws (30) and shroud ( 29). 3. Remov e spring clip (101) on ba ck of moto r . 4. Pull off f an (100). Installation 1. Slide ne w f an (100) in plac e on back of motor . Be sure blades of fan f ace moto r as s[...]

  • Page 19

    Motor Brush Replacement 310824D 19 Motor Brush Replacement See Wir ing Diagram, page 28. Re m ova l Replace brushes worn to less than 1/4 in. (6mm). Brushe s wear diff erently on eac h side of motor , check both side s. 1. Relieve pressure , page 8. Disco nnect po wer cord from outlet . 2. Remov e tw o scre ws (30) and shroud ( 29). 3. Disconnect m[...]

  • Page 20

    Control Board Rep lacement 20 310824D Contr ol Boar d Replacement See Wir ing Diagram, pag e 28. Re m ova l 1. Relieve pressure , page 8. Disco nnect po wer cord from outl et. 2. Remov e tw o scre ws (30) and shroud ( 29). 3. Disconnect pressure s witch conne ctor (A) from con- trol board (33). 4. Disconnect motor conn ector (B) from control bo ard[...]

  • Page 21

    Control Board Repl acement 310824D 21 Installation 1. P osition grommet and po wer cord wires th rough strain relief in control board (33). 2. Reconnec t the power cord co nnectors to the correct terminals indicated on the cont rol board (120V , bl ack and wh ite, 240 V , blue and br own) on cont rol board (33). 3. Carefully slide contro l board ba[...]

  • Page 22

    Fuse Replacement 22 310824D Fuse Replacement Re m ova l 1. Relieve pressure , page 8. Disco nnect po wer cord from outl et. 2. Remov e tw o scre ws (30) and shroud ( 29). 3. Remove fuse from control board. 4. Remove spare fuse from motor . Installation 1. Replace fuse on contr ol board with spare fuse . 2. Install shroud (29) and two scre ws (30). [...]

  • Page 23

    Pressure Control Assembly Replacement 310824D 23 Pressure Contr ol Assemb l y Replacement See Wir ing Diagram, page 28. Re m ova l 1. Relieve pressure , page 8. Disco nnect po wer cord from outlet . 2. Remov e tw o scre ws (30) and shroud ( 29). 3. Disconnect pressure s witch conne ctor (A) from con- trol board (33). 4. Remove tape (22) holding wir[...]

  • Page 24

    Manifold Replacement 24 310824D Manif old Replacement See Wir ing Diagram, pag e 28. Re m ova l 1. Relieve pressure , page 8. Disco nnect po wer cord from outl et. 2. Remov e d rain line (4 0) and barbed fitting (2 0) from manif old. See Drain L ine Replacement, pa ge 25. 3. Remov e tw o scre ws (30) and shroud ( 29). 4. Disconnect fluid hose at pu[...]

  • Page 25

    Drain Line Replacement 310824D 25 Drain Line Replacement This procedure should be used whene v er y ou replace the manif old and reinstall an existing dr ain line or install a new drain line using the Drain Line Kit. Remov al T o remov e the dr ain line (40) from t he manif old: 1. Cut drai n line (40) from barbed fitting (20). 2. Unscrew barbed fi[...]

  • Page 26

    Power Cord Replacement 26 310824D P o wer Cor d Replacement See Wir ing Diagram, pag e 28. Re m ova l 1. Follo w Contro l Board Re placement remo v al instructions, steps 1- 8, page 20. 2. Disconnect gr een ground wire (G) from spra yer by loosening groun ding screw (31 ). Installation 1. F ollow Contr ol Boar d Replacement installation instruction[...]

  • Page 27

    Motor Replacement 310824D 27 Motor Replacement See Wir ing Diagram, page 28. Re m ova l 1. Relieve pressure , page 8. Disco nnect po wer cord from outlet . 2. Remove pump (9). Displacement Pump Repl ace- ment , page 14. 3. Remov e driv e housing, Drive Housing Replace- ment , page 16. 4. Remov e Pressure (Fluid) Manif old, Manif old Replacement , p[...]

  • Page 28

    Wiring Diagram 28 310824D Wiring Diagram Red (+) Black (-) Pressure Control Assembly Power Plug White Green Black from Motor 2 x Y ellow ON/OFF Switch ti5643a Ca p acitor Re p laceable F use Black (-) Power Plug Blue Green Brown ON/OFF Switch Pressure Control Assembly Red (+) from Motor 2 x Y ellow Ca p acitor ti5857a Re p laceable F use 120V Model[...]

  • Page 29

    Technical Data 310824D 29 Te c h n i c a l D a t a Delrin ® is a registered trademark of the Du P ont Company . *Measured 3 f eet (1 me ter) from eq uipment. P o wer requiremen ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100/120V AC , 50/60 hz, 11A, 1 pha se 230V A C , 50/60 hz, 7 .5A, 1 phase Generator requ ired . . . . . . . . .[...]

  • Page 30

    All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 www.graco.[...]