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Manual Graco 311772H

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  • Graco 311772H - 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 For W ater- Based Materials Only Models: 254974 and 254975 70 psi (0.4 9 MP a, 4.9 bar ) Maximum Fluid W orking Pressure Related Manuals Important Safety Instructions Read all warnings and instruction s in this manual. Sav e these inst ...

  • Graco 311772H - page 2

    Warnings 2 311772G Wa r n i n g s The f ollowing are general w ar nings related to the setup , use, g rounding, maint enance and repair of this equipment. Additional, mo re specific warnings ma y be f ound thro ugh out the body of this manu al where applicab le. Symbols appearing in the body of the man ual ref er to these gener al warnings . When t ...

  • Graco 311772H - page 3

    Warnings 311772G 3 Electric Shoc k Hazard T o reduce the risk of electric shock: • B e sure spr a yer is adequat ely g rounded through e lectrical outlet, page 6. • Use only 3-wire, e xtension cords. • Mak e sure gr ound prongs are int act on spra yer and e xtension cords. • Do not oper ate with co v er remov ed. • T urn o ff spra yer . F ...

  • Graco 311772H - page 4

    Warnings 4 311772G CA UTION W ater or material remaining in unit when tempe ratures ar e below fr eezing can damag e motor and/or dela y pump star tup . T o insure water and ma terial are completely dr ained out of un it: 1. Remove material lin e from spray er . 2. Tip spra yer up as shown. Bef ore adding mat erial or star ting unit in cold weathe ...

  • Graco 311772H - page 5

    Component Identification 311772G 5 Component Identification Item Component Item Component A Handle N Burp Guard B T oolbo x P Mater ial/Air Hose C P ower Cord (120V , 25 ft) Q Accessories Bag D Side Pump Access P anel (R TX 1250 Only) R Material Thickne ss Gauge E RotoFle x ™ II Pump (ins ide) SN o z z l e ( 4 T o t a l ) F Pump Hose Outlet T Hos ...

  • Graco 311772H - page 6

    Component Ide ntification 6 311772G Pressure Relief Pr ocedure T o reduce r isk of injury , f ollow this procedure whene v er y ou see this symbol throu ghout this manual, Also , perf or m this procedure whene ver you : • Stop spraying • Check or repair any par t of this syst em • Install or clean spra y nozzle 1. T ur n P ow er Switch OFF . ...

  • Graco 311772H - page 7

    Shroud Removal 311772G 7 Shr oud Remov al Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Loosen bott om hopper fittin g by hand and pull hopper up and of f from handle . 4. Loosen and re mov e 2 knobs (14) on spra yer hand le (12). 5. Spread handle bars apar t and pull up to remo v e from spray er . 6. Loosen scre w ...

  • Graco 311772H - page 8

    Shroud Removal 8 311772G Reassembl y 1. Angle left shr oud half (5) into base a nd push down into place . Then replace right shroud half (7). 2. Replace and tig hten second scre w (30). 3. Swing access door do wn (R TX 1250) and tighten knob (42). 4. Tighten scre w (70) into lo wer right corner of side access plate. 5. Replace to olbo x (2) and tig ...

  • Graco 311772H - page 9

    RotoFlex™ II Pump (RTX 900) 311772G 9 RotoFle x™ II Pump (R TX 900) Disassemble 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Loosen and re mov e screw (28) on hose brack et. 5. Remove hose brac ket (25). 6. Slide pump fitt ings o v er and push thro ugh k eyho le slots. 7. Gr ab pump hose (16) fr ...

  • Graco 311772H - page 10

    RotoFlex™ II Pump (RTX 1250) 10 311772G RotoFle x™ II Pump (R TX 1250) Disassemble 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Loosen knob ( 42) on side access panel. 4. Remove scre w (7 0) from side access panel. 5. Pull access pane l (13) out to release 3 fastening tabs and flip up to expose side access to pump. 6. Loos ...

  • Graco 311772H - page 11

    RotoFlex™ II Pump (RTX 1250 ) 311772G 11 Reassemble 1. Bend hose (16) so colore d dots on hose fittings f ace each other . 2. Slide ne w pump hose (16) in from side access panel. Mo v e pump rollers b y hand until or flip pow er s witch to rotate r ollers until th ey are positioned c or- rectly with pump hose. 3. Replace ho se br ack et (25) to l ...

  • Graco 311772H - page 12

    Compressor 12 311772G Compressor Use Compressor Repair Kit, 288612. Disassembl y 1. Relie ve Pressure, page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Remove RotoFle x ™ II Pump hose; page 9 or 10. 5. Unscre w and remo ve gr ounding scre w (49) from compressor . 6. Use 9/16 in. soc ke t and wr ench to re mov e pivot bolt ( ...

  • Graco 311772H - page 13

    Compressor 311772G 13 Reassembl y 1. Carefully positio n compressor back into spr a yer body . Mak e sure piston head f acing front of spra yer . 2. Replace and tig hten grou nding scre w (49). 3. Reattach air lines to com pressor . 4. Reattach 2 wires to compressor see Wiring Diagram , page 27. 5. Replace air cylinder and tighten shoulder bolt (49 ...

  • Graco 311772H - page 14

    Piston/Cylinder 14 311772G Piston/Cylinder Use Piston/Cylinder Rep air Kit 288609. Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Remove RotoFle x ™ II Pump hose; page 9 or 10. 5. Remove Compress or , page 12. 6. Remo v e muffler (110) from he ad (74) b y pulling straight o ut b y hand. ...

  • Graco 311772H - page 15

    Piston/Cylinder 311772G 15 Reassembl y 1. Replace piston (77) and cylinder (76) and use 7/32 in. allen wrench to tighten hex screw (87) into piston rod. 2. Replace v alve plate (75) wit h ribs facin g up tow ard head. 3. Replace th ree bolts (100) and use 1/2 in. soc k et to tighten into he ad (74). T orque all three bolts to 75 in-lb , then torque ...

  • Graco 311772H - page 16

    Valve Plate 16 311772G V alve Plate Use V alv e Plate Repair Kit 288610. Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Remove RotoFle x ™ II Pump hose; page 9 or 10. 5. Remove Compress or , page 12. 6. Remo v e muffler (110) from he ad (74) b y pulling straight o ut b y hand. 7. Use 1/ ...

  • Graco 311772H - page 17

    Motor 311772G 17 Motor Use Motor Repai r Kit 288613. Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Remove RotoFle x ™ II Pump hose; page 9 or 10. 5. Remove Compress or , page 12. 6. Remov e compressor from spra yer body an d place it in a vice. Tighten the vice onto the main pu lley to ...

  • Graco 311772H - page 18

    Motor 18 311772G Reassembl y 1. Angle moto r pulley th rough compressor belt (84) and pull moto r (71) into position. 2. Tighten tw o mountin g bolts (105) on motor (7 1) until snug, the n back 1/ 8 of a turn. 3. Inser t torque wrench into sq uare hole (SQ) o n motor and tighten bolt s to 130-150 in- lb (this ma y require two people; o ne to torq u ...

  • Graco 311772H - page 19

    Cooling Tube 311772G 19 Cooling T ube Use Cooler Repair Kit 288614. Disassembl y 1. Relie ve Pressure, page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Remove RotoFle x ™ II Pump hose; page 9 or 10. 5. Remove Compress or , page 12. 6. Use 3/8 in. soc ket to remo v e scre w (101) and wash er (102) u nder cooling tube (79). 7 ...

  • Graco 311772H - page 20

    Cooling Tube 20 311772G Reassembl y 1. Inser t ne w cooling tube fitt ing and use 5/8 in. wrench to t ighten. 2. Inser t cooling tube ( 79) and push into ne w fitting (86). Mak e sure tube is fully seated. 3. Rotate cooling t ube around and insert free end into push-to-connect fitting. Mak e sure tube is fully inser ted. 4. Replace scre w (101) and ...

  • Graco 311772H - page 21

    Idler 311772G 21 Idler Use Idler Repair Kit 28861 1. Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Remove RotoFle x ™ II Pump hose; page 9 or 10. 5. Remove Compress or , page 12. 6. Remov e compressor belt, page 17 . 7. Loosen set scr ew an d remo v e f an (79). 8. Loosen scre w (39) a ...

  • Graco 311772H - page 22

    Roller Pulley/Belt 22 311772G Roller Pulle y/Belt Use Roller Pulley Repair Kit 288616. Disassembl y 1. Relie ve Pressure , page 6. 2. Unplug spr a yer from outlet. 3. Remove Shr oud , page 7. 4. Remove RotoFle x ™ II Pump hose; page 9 or 10. 5. Remove Compress or , page 12. 6. Use 7/32 in. allen wrench to loosen roller mounting bolt (87) and remo ...

  • Graco 311772H - page 23

    Selector Switch Knob 311772G 23 Selector Switch Knob Use Knob Repair Kit 288756. Disassembl y 1. T ur n selec tor s witch knob clockwise as f ar as it will go . 2. Use wren ch to r emov e nut f rom knob . 3. Pull knob s traight off from sp ra yer . Assembl y 1. P osition ne w knob to point right (appro ximately 45° from v er tical) and slide it on ...

  • Graco 311772H - page 24

    Regulator Valve 24 311772G Regulator V alve Use Regulator Rep air Kit 28875 7. Disassembl y 1. Remove Knob , page 23. 2. Remove Shr oud , page 7. 3. Use wrench to push against fitt ing (86) and ca refully pull cooling tube ( 79) out. 4. Use phillips scre wdr iver to remo v e two screw s. 5. Remov e old regulator v alve. Assembl y 1. Replace ne w re ...

  • Graco 311772H - page 25

    Troubleshooting 311772G 25 T roub leshooting Prob lem Cause Solution Spra yer won’t run P ower s witch not o n T ur n s wit ch on. No pow er at w all outlet Chec k outlet b y plugging in anot her appliance . If appliance does not work, try another outlet. Wrong size ge nerator Use a 3500 wa tt or larger gene rator . Ref er to Gen erator Requ irem ...

  • Graco 311772H - page 26

    Troubleshooti ng 26 311772G Speed of application slo w or slower Material too thic k Thin material. Nozzle too small Change nozzles to a larger siz e. See Operat ion man ual 311768 . T oo mu ch air being used. P ar tially close g un air v alve to reduce air flow . Pump hose worn Repl ace hose. Plugged or dirty gun Relie ve Pressure , page 6. Clean ...

  • Graco 311772H - page 27

    Wiring Diagram 311772G 27 Wiring Diagram Air Diagram 40 19 34 21 49 Switch Motor White Wire Black Wire P ower Cord Green Wire (GND) ti8937a 49 Cylinder Air V alve Manifold on Compressor Compressor Air Outlet 38 84 15 34 ti8936a 55 59 Relief V alve 56 53 68 66 81 Gauge Regulator 69 RTX 1250 RTX 900 Cylinder Air V alv e Manifold on Compressor Compres ...

  • Graco 311772H - page 28

    Parts 28 311772G Pa r t s Models 25497 4 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 (R TX 900) 47 (R TX 900) 70 76 82 77 79 (R TX 900) (R TX 900) 83 (R TX 1250) 45 85 85 85 ...

  • Graco 311772H - page 29

    Parts 311772G 29 Pa r t s 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 RT X 1250 Only 60 31 31 1 68 58 78 ...

  • Graco 311772H - page 30

    Parts 30 311772G Pa r t s Models 254974 ▲ Additional w arning labels are av ailable at no cost. Ref. P ar t Description Qty . 1 288386 PLA TE, front, R TX 1 2 15J60 0 T O OLBO X 1 3 15H069 SUPPOR T , hopper , R TX 1 4 288384 FRAME, back , R TX (painted) 1 5 288350 COVER, shroud; R TX 900 1 6 277319 SHIELD , bottom 1 7 288351 COVER, shroud; R TX 9 ...

  • Graco 311772H - page 31

    Parts 311772G 31 Pa r t s Models 254975 ▲ Additional w arning labels av ailab le at no cost. Ref P art Description Qty 1 288386 PLA TE , front, RTX 1 2 15J600 TOOLBO X 1 3 15H069 SUPPORT , hopper , R T X 1 4 288384 FRAME, back, R TX (painted) 1 5 288650 CO VER, shroud 1 6 277319 SHIELD , bot tom 1 7 288382 CO VER, shroud (painte d) 1 8 15J671 AXL ...

  • Graco 311772H - page 32

    Parts 32 311772G Pa r t s 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. P ar t Description Qty . 288856 KIT , repair , compressor , complete (includes all items) R TX 900 288651 KIT , repair , compressor , complete (includes all items) R TX 1250 288612 KIT , repair , compresso ...

  • Graco 311772H - page 33

    Technical Data 311772G 33 Te c h n i c a l D a t a * Measured while spra ying at 1 m ** Measured per ISO-37 44 Main unit pow er requireme nts 120 V ac , 60 Hz, 15A, 1 phase Maximum fluid wor king pressure 70 psi, (4.9 bar) Maximum air working pressu re 50 psi, (3.5 bar) Compressor specifications Univ ersal motor thermally protected, oil-less Compre ...

  • Graco 311772H - page 34

    Graco Standard Warranty 34 311772G Graco Standar d W arranty Graco warrants all equipment ref erenced in this document which is manufactured b y Graco and bearing its name to be free from de fe ct s i n material and workmanship on the date of sale the original purchaser for us e. With the e xception of any special, e xtended, or li mited warranty p ...

Manufacturer Graco Category Paint Sprayer

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Graco 311772H.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Graco 311772H by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Graco 311772H.

A complete Graco manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Graco 311772H - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Graco 311772H, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Graco 311772H, that we can find in the current document
3. Tips how to use the basic functions of the device Graco 311772H - which should help us in our first steps of using Graco 311772H
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Graco 311772H
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Graco 311772H in a specific country, if it was not possible to solve the problem on our own.

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