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Manuel d’utilisation Graco 254975

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Summary
  • Graco 254975 - page 1

    -For Water-Based Materials Only- Models: 254974 and 254975 70 psi (0.49 MPa, 4. 9 bar) Maximum Fluid Workin g Pressure Related Manuals Important Safety Instru ctions Read all warnings and instru ctions in this manual. Save these instructions. 311777 311768 Model 2549 75 Shown ti8867a 311772P Repair Interior Texture Sprayers RTX 900 & RTX 1250 E ...

  • Graco 254975 - page 2

    Warnings 2 311772M Warnings The following are general wa rnings related to the setup, us e, grounding, mainte nance and repair of this equipment. Additional, more specific wa rnings ma y be found throughout the body of this manual wher e applicable. Symbols appearing in the body of the manual refer to the se general warn ings. When these symbols ap ...

  • Graco 254975 - page 3

    Warnings 311772M 3 Electric Shock Hazard To reduce the risk of electric shock: • Be sure sprayer is adequate ly grou nded throug h electrical outlet, page 6. • Use only 3-wire, extension cords. • Make sure ground prongs are intact on sprayer and extension cords. • Do not operate with cover removed. • Turn off sprayer. Follow Pressure Reli ...

  • Graco 254975 - page 4

    Warnings 4 311772M CAUTION Water or material remaining in unit when temperatures are below freezing can dam age motor and/or delay pump sta rtup. To insure water and material are comp letely drained out of unit: 1. Remove material li ne from sprayer. 2. Tip sprayer up as shown. Before adding material or startin g unit in cold weather, run warm wate ...

  • Graco 254975 - page 5

    Component Identification 311772M 5 Component Identification Item Component Item Component A Handle N Burp Guard B Toolbox P Material/Air Hose C Power Cord ( 120V, 25 ft) Q Accessories Bag D Side Pump Access Panel (RTX 1250 On ly) R Material Thickness Gauge E RotoFlex ™ II Pump (inside) SN o z z l e ( 4 T o t a l ) F Pump Hose Outlet T Hose Plug G ...

  • Graco 254975 - page 6

    Component Identi fication 6 311772M Pressure Relief Procedure To reduce risk of inju ry, follow this procedure whenever you see this symbol thro ughout this manual, Also, perform this proced ure whenever you: • Stop spraying • Check or repair any part of this system • Install or clean spray nozzle 1. Turn Power Switch OFF. 2. Trigger gun into ...

  • Graco 254975 - page 7

    Shroud Removal 311772M 7 Shroud Removal Disassembly 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Loosen bottom hopper fitting by hand and pull hopper up and off from han dle. 4. Loosen and remove 2 knobs ( 14) on sprayer handle (12). 5. Spread handle bars apart a nd pull up to remove from spra yer. 6. Loosen screws (30) and scre ...

  • Graco 254975 - page 8

    Shroud Removal 8 311772M Reassembly 1. Angle left shroud half (5 ) into base a nd push down into place. Then replace right shro ud half (7). 2. Replace and tighten second screw (3 0). 3. Swing access door down (RTX 1250) and tighten knob (42). 4. Tighten screw (70) in to lower right corner of s ide access plate. 5. Replace toolbox ( 2) and tighten ...

  • Graco 254975 - page 9

    RotoFlex™ II Pump (RTX 900) 311772M 9 RotoFlex™ II Pump (RTX 900) Disassemble 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Loose n and remove screw (2 8) on hose bracket. 5. Remove h ose bracke t (25). 6. Slide pump fittings over and push thr ough keyhole slots. 7. Grab pump hose (16) fr om side of ...

  • Graco 254975 - page 10

    RotoFlex™ II Pump (RTX 1250) 10 311772M RotoFlex™ II Pump (RTX 1250) Disassemble 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Loosen knob (42) on side access panel. 4. Remove s crew (70) fr om side acc ess panel. 5. Pull acce ss panel (13) out to release 3 fastening tabs and flip up to expose side access to pump. 6. Loosen a ...

  • Graco 254975 - page 11

    RotoFlex™ II Pump (RTX 1250) 311772M 11 Reassemble 1. Bend hose (16) so colored dots on hose fitt ings face each other. 2. Slide new pump hose (16) in from side access panel. Move pump rollers by hand until or flip powe r switch to rotate rollers un til they are positioned cor- rectly with pump hose . 3. Replace hose bracket (25) to lock pum p ho ...

  • Graco 254975 - page 12

    Compressor 12 311772M Compressor Use Compressor Repair Kit, 288612. Disassembly 1. Relieve Pressure, pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Remove RotoFlex ™ II Pu mp hose; page 9 or 10. 5. Unscrew and remove grounding screw (4 9) from compressor. 6. Use 9/16 in. so cket and wrench to r emove pivot bolt (26) and nut ...

  • Graco 254975 - page 13

    Compressor 311772M 13 Reassembly 1. Carefully positio n comp ressor back into sprayer body. Make sure piston head facing front of spraye r. 2. Replace and tighten grounding screw (49). 3. Reattach air lines to co mpressor. 4. Reatta ch 2 wires to compressor see Wiring Diagram , page 27. 5. Replace air cylinder and tig hten shoulder bolt (49) to loc ...

  • Graco 254975 - page 14

    Piston/Cylinder 14 311772M Piston/Cylinder Use Piston/Cylinder Repair Kit 288609. Disassembly 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Remove RotoFlex ™ II Pu mp hose; page 9 or 10. 5. Remove Compressor , page 12. 6. Remove muffler (110) fr om head (74) by pulling straight out by hand. 7. Use 1/2 ...

  • Graco 254975 - page 15

    Piston/Cylinder 311772M 15 Reassembly 1. Replace piston (77) and cylinder (76) an d use 7/32 in. allen wrench to tighten hex screw (8 7) into piston rod. 2. Replace va lve plate (7 5) with ribs f acing up to ward head. 3. Replace three bol ts (100) and use 1/2 in. socket to tighten into head (74). Torque all three bolts to 75 in-lb, then torque all ...

  • Graco 254975 - page 16

    Valve Plate 16 311772M Valve Plate Use Valve Plate Repair Kit 288610. Disassembly 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Remove RotoFlex ™ II Pu mp hose; page 9 or 10. 5. Remove Compressor , page 12. 6. Remove muffler (110) fr om head (74) by pulling straight out by hand. 7. Use 1/2 in. socket ...

  • Graco 254975 - page 17

    Motor 311772M 17 Motor Use Motor Repair Kit 28 8613. Disassembly 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Remove RotoFlex ™ II Pump hose; page 9 or 10. 5. Remove Compressor , page 12. 6. Remove co mpressor fro m sprayer bo dy and place it in a vice. Tighten the vice onto the main pulley to hold t ...

  • Graco 254975 - page 18

    Motor 18 311772M Reassembly 1. Angle mot or pulley thro ugh compress or belt (84) and pull motor (71) into position. 2. Tighte n two mounting bolts (10 5) on motor (71) unt il snug, then back 1/8 of a turn. 3. Insert torque wrench into square hole (SQ) on motor and tighten bolts to 130-15 0 in-lb (this may require two people; one to torque while th ...

  • Graco 254975 - page 19

    Cooling Tube 311772M 19 Cooling Tube Use Cooler Repair Kit 288614. Disassembly 1. Relieve Pressure, pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Remove RotoFlex ™ II Pump hose; page 9 or 10. 5. Remove Compressor , page 12. 6. Use 3/8 in. socket to remove screw (101) and washer (102) under cooling tube (7 9). 7. Use wrench ...

  • Graco 254975 - page 20

    Cooling Tube 20 311772M Reassembly 1. Insert new coo ling tube fitting and us e 5/8 in. wrench to tighten. 2. Insert coolin g tube (79) and push into new fitting (86). Make sure tube is fully seated. 3. Rotate cooling tube around and inse rt free end into push-to-connect fitting. Make sure tube is fu lly inserted. 4. Replace screw (101) and washer ...

  • Graco 254975 - page 21

    Idler 311772M 21 Idler Use Idler Repair Kit 288611. Disassembly 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Remove RotoFlex ™ II Pump hose; page 9 or 10. 5. Remove Compressor , page 12. 6. Remove c ompressor belt, page 17 . 7. Loosen set screw and remove fan (79) . 8. Loosen screw (39) and remove Id ...

  • Graco 254975 - page 22

    Roller Pulley/Belt 22 311772M Roller Pulley/Belt Use Roller Pulley Repair Kit 28861 6. Disassembly 1. Relieve Pressure , pa ge 6. 2. Unplug sprayer from outlet. 3. Remove Shroud , page 7. 4. Remove RotoFlex ™ II Pu mp hose; page 9 or 10. 5. Remove Compressor , page 12. 6. Use 7/32 in. allen wrench to loosen roller mo unting bolt (87) and remove r ...

  • Graco 254975 - page 23

    Selector Switch Knob 311772M 23 Selector Switch Knob Use Knob Repair Kit 288756. Disassembly 1. Turn selector switch knob clockwis e as far as it will go. 2. Use wrench to remove nut from knob. 3. Pull knob straight of f from spra yer. Assembly 1. Position new knob to point right (app roximately 45° from vertical) and slide it onto exposed spline. ...

  • Graco 254975 - page 24

    Regulator Valve 24 311772M Regulator Valve Use Regulator Repair Kit 288757. Disassembly 1. Remove Knob , page 23. 2. Remove Shroud , page 7. 3. Use wrench to push ag ainst fitting (86) and carefu lly pull cooling tube (79) out. 4. Use phillips screwdriver to remove two screws. 5. Remove old regulator valve . Assembly 1. Replace new regulator valve ...

  • Graco 254975 - page 25

    Troubleshooting 311772M 25 Troubleshooting Problem Cause Solution Sprayer won’t run Power switch not on Turn switch on. No power at wall outlet Check outlet by plugging in an other appliance. If appliance does no t work, try another outlet. Wrong size generator Use a 3500 watt or larger generator . Refer to Generato r Requirements, page 6. Breake ...

  • Graco 254975 - page 26

    Troubleshooti ng 26 311772M Speed of a pplication slow or slower Material to o thick Thin materi al. Nozzle too small Change nozzles to a larger size . See Operation manual 311768. Too much air being used. Partially close gun air valve to reduce air flow. Pump hose worn Replace hose. Plugged or dirty gun Relieve Pressure , page 6. Clean gun. Kinked ...

  • Graco 254975 - page 27

    Wiring Diagram 311772M 27 Wiring Diagram Air Diagram 40 19 34 21 49 Switch Motor White Wire Black Wire Power Cord Green Wire (GND) ti8937a 49 Cylinder Air Valve Manifold on Compressor Compressor Air Outlet 38 84 15 34 ti8936a 55 59 Relief Valve 53 53 68 66 81 Gauge Regulator 69 RTX 1250 RTX 900 Cylinder Air Valve Manifold on Compressor Compressor A ...

  • Graco 254975 - page 28

    Parts Drawing 28 311772M Parts Drawing Models 254974 and 254975 23 42 43 2 7 25 42 10 11 40 31 30 14 12 63 5 62 32 15 ti8901c 14 8 62 47 37 22 46 29 71 28 (RTX 900) 47 (RTX 900) 70 76 82 77 79 (RTX 900) (RTX 900) 83 (RTX 1250) 45 85 85 85 ...

  • Graco 254975 - page 29

    Parts Drawing 311772M 29 Parts Drawing Models 254974 and 254975 6 19 61 3 4 16 38 21 26 29 29 35 50 59 51 54 15 29 ti8902b 52 27 34 36 49 • • • RTX 1250 Only 66 33 65 69 80 49 • 57 RTX 1250 Only 60 31 31 1 68 58 78 41 ...

  • Graco 254975 - page 30

    Parts List 30 311772M Parts List Models 254974  Additional warning labels are available at no cost . Ref. Part Description Qty. 1 288386 PLATE, front, RTX 1 2 15J600 T OOLBOX 1 3 15H069 SUPPORT, hopper, RTX 1 4 288384 FRAME, back, RTX (painted) 1 5 288350 COVER, shroud; RTX 900 1 6 277319 SHIELD, bottom 1 7 288351 COVER, shroud; RTX 900 1 8 15J6 ...

  • Graco 254975 - page 31

    Parts List 311772M 31 Parts List Models 254975  Additional warning labels available at no cost. Ref Part Description Qty 1 288386 PLATE, front, RTX 1 2 15J600 T OOLBOX 1 3 15H069 SUPPORT, hopper, RTX 1 4 288384 FRAME, back, RTX (painted) 1 5 288650 COVER, shroud 1 6 277319 SHIELD, bottom 1 7 288382 COVER, shroud (painted) 1 8 15J671 AXLE, RTX 12 ...

  • Graco 254975 - page 32

    Parts Drawing and List 32 311772M Parts Drawing and List Compressor 288856 & 288651 110 100 74 75 71 108 109 106 105 77 73 87 83 84 87 101 102 72 79 ti8903a 86 76 117 Ref. Part Description Qty. 288856 KIT, repair, compressor, complete (includes all items) RTX 900 288651 KIT, repair, compressor, complete (includes all items) RTX 1250 288612 KIT, ...

  • Graco 254975 - page 33

    Technical Data 311772M 33 Technical Data * Measured while spraying at 1 m ** Measured per ISO-3744 Main unit power requirements 120 Vac, 60 Hz, 15A, 1 phase Maximum fluid working pressure 70 psi, (4.9 bar) Maximum air working pressure 50 psi, (3.5 bar) Compressor specifications Universal motor thermally protected, oil-less Compresso r air displac e ...

  • Graco 254975 - page 34

    All written and visual data contained in this document reflects the latest product info r mation available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. For patent information, see www.graco.com/patents. Original instructions. This manual contains Eng lish. MM 311770 Graco Headquarters: Minne apo ...

Fabricant Graco Catégorie Paint Sprayer

Les documents que nous recevons du fabricant de l'appareilGraco 254975 peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Graco
- manuels d’utilisations 254975
- fiches produit Graco
- dépliants
- ou étiquettes-énergie Graco 254975
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Graco 254975.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Graco 254975, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Graco 254975. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Graco 254975.

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Manuel d’utilisation complet de l’appareil Graco 254975, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Graco 254975 par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Graco 254975.

Le manuel d’utilisation complet Graco, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel Graco 254975 - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières Graco 254975, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lGraco 254975 qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil Graco 254975 - qui devraient nous aider dans les premières étapes lors de l'utilisation Graco 254975
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de Graco 254975
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service Graco 254975 dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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