Gebruiksaanwijzing /service van het product ti5857a van de fabrikant Graco Inc.
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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.
Manual Conventions 2 310824D Contents Manual Con ventions . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Component I dentifi cation . . . . . . . . . . . . . . . . . . . .
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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 .
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.
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).
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) .
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.
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 .
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.
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 .
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).
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).
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.
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).
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.
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.
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 ).
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.
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 (-).
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 .
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.
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