Graco 311772P User's Manual
Contents
1. try another outlet Wrong size generator Use a 3500 watt or larger generator Refer to Generator Requirements page 6 Breaker tripped Reset breaker Pump won t pump material Open air valve on gun Selector switch in wrong position Move selector switch to correct posi tion for application Mix too thick Add water to thin material Use Mate rial Thickness Gauge gun from hose Clean gun replacement once every year Pump cold Move pump to warm room and allow itto warm up or run hot water through sprayer Material runs out of bottom of sprayer Pump hose worn out Replace hose Loose fittings Check and retighten all fittings No air from compressor Gun air valve closed Open gun air valve Low voltage Check extension cord length and gauge Replace if different than rec ommended Refer to Grounding and Electrical Requirements page 6 Gun needle plugged Clean needle and retry Worn compressor Replace compressor Contact a qual ified Graco Service Center Lines not connected Check all quick disconnect connec tions to gun and hoses Damaged hose Replace hose 311772M 25 Troubleshooting ec T S Speed of application slow or slower Intermittent flow sputtering Operation manual 311768 air flow Plugged or dirty gun Relieve Pressure page 6 Clean gun Kinked hose Unkink hose Gun adjustment set too low Increase flow adjustment with flow adjustment nut Too many items on same2. on es oO N S S Ss Ss S S S QD ND 31 Parts Drawing and List Compressor 288856 amp 288651 Ref 71 72 73 74 32 Part 288856 288651 288612 288613 120466 288616 288746 288610 288609 Description KIT repair compressor complete includes all items RTX 900 KIT repair compressor complete includes all items RTX 1250 KIT repair compressor rebuild includes 100 74 86 75 76 77 87 KIT repair motor universal 120v includes 71 72 84 105 106 FAN repair motor KIT repair pulley w rollers includes 73 83 87 KIT repair head compressor includes 74 75 KIT repair plate valve CYLINDER compressor KIT repair piston cylinder includes 75 76 77 87 Ref 79 83 84 87 95 100 101 102 105 106 108 109 110 117 117 Part 288614 120234 120233 120245 120204 120593 120229 119872 120659 260215 100023 288611 104272 15H940 120617 120251 Parts Drawing and List ti8903a Description Qty KIT repair cooler 1 includes 79 86 BELT BELT FITTING SCREW mach hex flat head SCREW mach torx pan hd SCREW hex flange SCREW shoulder WASHER flat SCREW hex hd WASHER flat KIT repair idler includes 108 84 SCREW cap sch FITTING VALVE pressure relief RTX 1250 VALVE pressure relief RTX 900 i i aM SONM WWN 311772M Technical Data Main unit power requir
3. the operator s eyes or on skin or into the air 311772M Component Identification Component Identification Model 254975 Shown A SERIAL PART NO A Handle Toolbox P MaeriaAirose oooooO Power Cord 120V 25 fi GO AccessoriesBag Side Pump Access Panel RTX 1250 Only R Material Thickness Gauge ss_ i E RotoFlex II Pump inside Nozzle 4 Total CK JONOFF Switch o Hopper Clamp sold separately Material Hopper 10 gallon RTX 900 Hopper Gun Material Hopper 12 gallon RTX 1250 311772M 5 Pressure Relief Procedure To reduce risk of injury follow this procedure whenever you see this symbol throughout this manual Also perform this procedure whenever you MPa ban PS e Stop spraying e Check or repair any part of this system e Install or clean spray nozzle 1 Turn Power Switch OFF ti9221a 2 Trigger gun into material hopper ae _i h a r k BET a aes s 4 a k a gh i S tig084a 3 Open gun air valve ti8528a Component Identification Grounding and Electrical Requirements This sprayer must be grounded Grounding reduces the risk of electrical shock by providing an escape wire for the electrical current The sprayer cord includes a grounding wire with an appropriate grounding plug The plug must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances
4. 49 holding pump roller in place 49 F ti8879a Use a wrench to push down on push to connect fittings and pull out all nylon hoses ti8952a Disconnect all electrical wire connectors see Wiring Diagram page 27 Thoroughly clean inside housing removing dust and debris To service the compressor remove it from the sprayer body and place it a vice Tighten the vice onto the main pulley to hold the compressor in place while servicing ti8951a 311772M Compressor Reassembly 6 Replace bracket 21 and tighten 4 screws 29 1 Carefully position compressor back into sprayer body Make sure piston head facing front of sprayer amm To a E a E a a a r A Top sf 8 I ENA M RN SRA z i _ rs a el 1 mee Ras ame ti8877a 7 Replace grounding screw 49 and tighten onto bracket 21 ti8940a 8 Replace pivot bolt 26 washers 80 and nut 27 Use 9 16 in socket and wrench to tighten into place Zy i Y fz O Tighten bolt 26 until spring washers 80 are flat NUS F TF j tened Back off nut 27 1 4 turn Compressor must T pea rotate freely with bolt 26 and bracket 21 49 79 ma 3 3 ti8941a an SCY j aN QI 97 _ 469 i ee oie PAN 3 Reattach air lines to compressor f i a 80 m ti8878a 9 Replace and tighten second grounding screw 49 to bracket 21 ti8873a 4 Reattach 2 wires to compressor see Wiring Diagram page 27 5 Replace air cy
5. CREW torx tri lob SCREW slot hex wash hd SCREW HANGER SCREW mach phillips pan hd COMPRESSOR pump assembly SCREW shoulder WASHER flat RIVET blind CYLINDER RTX CORD power FITTING elbow plug in KNOB 1 4 20 4 prong COVER tool tray HOSE Qty lt U 4 M NHN OWOo SB SB S YO PN SS SS Sa Ss Ref 48 47 49 50 514 52A 53 54 55 57A 58 59 60 61 62 63 65 66 68 69 70 71 76 78 80 81 82 83 84 85 Models 254975 Part 103473 15K049 115498 104227 15H841 15K616 120694 15H868 120568 198492 288756 2887 57 120744 120637 150753 111831 115244 117694 120665 120653 120994 15H912 15K322 15K334 120215 15K328 15K364 120567 115099 Description STRAP tie wire ISOLATOR foot SCREW mach slot hex wash hd NUT lock LABEL warning LABEL caution TUBE air LABEL instruction TUBE air 250 OD LABEL warning KIT repair knob includes 58 61 KIT repair regulator includes 59 60 SCREW mach pnh NUT acorn SCREW machine hex washer head SCREW cap skt button hd NUT regulator REGULATOR air 1 8 in npt GAUGE pressure FITTING elbow SCREW mach pnh GUARD burp LABEL hopper RTX1250 LABEL front RTX 1250 WASHER TUBE air 250 OD LABEL control RTX1250 LABEL side panel RTX1250 TUBE air 250 OD GASKET A Additional warning labels available at no cost lt a ee ee ee Oe a
6. Check with a qualified electrician or if grounding instructions are not completely understood or if in doubt as to whether the product is properly grounded Do not modify plug provided if it will not fit the outlet have proper outlet installed by a qualified electrician 120V AC Systems e This equipment requires a 120V AC 60 Hz 15A circuit with a grounding receptacle Do not use an adapter with this product Extension Cords e Use only an extension cord with an undamaged 3 prong plug e For 25 to 50 ft 7 6 to 15 2 m cords use 3 wire 14 AWG 1 5 mm minimum e For up to 100 ft 80 48 m cord use 3 wire 12 AWG 2 5 mm minimum Auxiliary Air Compressor Do not use an auxiliary air compressor with this spray system Generator Requirements 3500 W 3 5 KW minimum Hose Size and Length The system comes with a hose set consisting of a 3 4 in ID x 25 ft 25 mm x 7 6 m material hose and a 3 8 in ID air hose Do not use more than 25 ft 7 6m of material and air hose 311772M Shroud Removal Shroud Removal Disassembly 1 Relieve Pressure page 6 2 Unplug sprayer from outlet Sw eri a Awe 3 Loosen bottom hopper fitting by hand and pull hopper up and off from handle ti2810b t ti8871a 4 Loosen and remove 2 knobs 14 on sprayer handle 12 NO A tige75a 5 Spread handle bars apart and pull up to remove from sprayer 6 Loosen screws 30 and screw 31 fr
7. D power 1 i i KNOB 1 4 20 4 prong Parts List Description COVER tool tray GUN spray for use w hopper HOSE PAD non slip foot STRAP tie wire SCREW mach slot hex wash hd NUT lock LABEL warning LABEL caution TUBE air LABEL instruction TUBE air 250 TUBE air 250 KIT repair knob KIT repair regulator includes 59 60 SCREW mach pnh NUT acorn SCREW machine hex washer head SCREW cap skt button hd GUARD burp LABEL hopper RTX 900 LABEL control RTX 900 LABEL front RTX 900 LABEL shroud RTX 900 WASHER belleville TUBE air 250 OD GASKET 311772M 2 lt i b i d i d da NO M i a Ma A i i Nh nN W N a a a os i Parts List Parts List Ref Part 288386 15J600 15HO69 288384 288650 2 1319 288382 15J671 115094 112612 288314 15H641 288336 288623 120660 15H910 15C090 288265 288515 105240 113981 117630 117633 120771 15H605 115494 288651 120236 120731 120411 289591 15J758 113318 15J862 15D561 234147 311772M Description PLATE front RTX TOOLBOX SUPPORT hopper RTX FRAME back RTX painted COVER shroud SHIELD bottom COVER shroud painted AXLE RTX 1250 WHEEL 10 CAP hub HANDLE RTX painted KNOB FITTING bulkhead assembly HOSE coupled SWITCH BRACKET pump RTX GAUGE thickness fluid HOPPER PLATE support RTX painted SCREW cap hex hd NUT lock high tensile S
8. Repair G Interior Texture Sprayers RTX 900 amp RTX 1250 311772P EN For Water Based Materials Only Pe Models 254974 and 254975 ao 70 psi 0 49 MPa 4 9 bar SEES Maximum Fluid Working Pressure ee Important Safety Instructions Es Read all warnings and instructions in this manual Save these instructions Related Manuals RI 311777 ha Al anze ti8867a pa Model 254975 Shown 4 sa i oe SE a oy er i oe lees arb Intertek PROVEN QUALITY LEADING TECHNOLOGY Warnings Warnings The following are general warnings related to the setup use grounding maintenance and repair of this equipment Additional more specific warnings may be found throughout the body of this manual where applicable Symbols appearing in the body of the manual refer to these general warnings When these symbols appear through the manual refer back to these pages for a description of the specific hazard A WARNINGS Fire and Explosion Hazard Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in fire or explosion and serious injury e The system is for use with water based materials only Only use fluids compatible with the equipment Refer to Technical Data of all equipment manuals Read fluid and solvent manufacturers warnings Ground all equipment in the work area See Grounding and Electrical Requirements page 6 If there is any stati
9. able for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the da
10. age 17 7 Loosen set screw and remove fan 79 106 39 i SS SZ se OZ 118889 Every time you replace the Idler you should also replace the compressor belt page 17 311772M Reassembly 1 Install new compressor belt page 17 2 Replace new Idler 106 and tighten screw 39 3 Replace fan 79 and tighten set screw 4 Replace Compressor page 12 5 Replace RotoFlex Il Pump hose page 9 or 10 6 Replace Shroud page 7 21 Roller Pulley Belt Roller Pulley Belt Use Roller Pulley Repair Kit 288616 Disassembly 1 Relieve Pressure page 6 2 Unplug sprayer from outlet M wg et 3 Remove Shroud page 7 ti2810b 4 Remove RotoFlex Il Pump hose page 9 or 10 5 Remove Compressor page 12 6 Use 7 32 in allen wrench to loosen roller mounting bolt 87 and remove roller pulley 73 A fi if x a ie T YAP A T 1 h j r N i p W 7 5 aS we Noa ee gt a 87 O AID m a d Val e _ 8 WG A O p 24 ti8947a 7 Remove belt 83 and discard ti8946a Every time you replace the roller pulley you should also replace the belt 22 Reassembly 1 Install new compressor belt 83 2 Loop belt over roller pulley and align roller with bolt hole 3 Use 7 82 in allen wrench to tighten bolt 87 to 20 2 ft lb 4 Replace Compressor page 12 5 Replace RotoFlex Il Pump hose page 9 or 10 6 Replace Shroud page 7 311772M Sele
11. arnings Burn Hazard Equipment surfaces and fluid that s heated can become very hot during operation To avoid severe burns do not touch hot fluid or equipment Wait until equipment fluid has cooled completely Personal Protective Equipment You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury including eye injury inhalation of toxic fumes burns and hearing loss This equipment includes but is not limited to e Protective eyewear e Clothing and respirator as recommended by the fluid and solvent manufacturer e Gloves e Hearing Protection CALIFORNIA PROPOSITION 65 This product contains a chemical known to the State of California to cause cancer birth defects or other reproductive harm Wash hands after handling Warnings CAUTION ti9016a k O ti9010a Water or material remaining in unit when temperatures are below freezing can damage motor and or delay pump startup To insure water and material are completely drained out of unit 1 Remove material line from sprayer 2 Tip sprayer up as shown Before adding material or starting unit in cold weather run warm water through pump Before adding material to hopper install burp guard When only a small amount of material remains in the hopper the burp guard prevents material from shooting out when the unit is turned off This material could splash in
12. c sparking or you feel an electric shock while using this equipment stop spraying immediately Do not use the equipment until you identify and correct the problem Keep work area free of debris including solvent rags and gasoline Comply with all applicable state and national fire electrical and safety regulations Keep a fire extinguisher in the work area Equipment Misuse Hazard i Equipment misuse can cause equipment to rupture malfunction or start unexpectedly and cause serious injury e Before operating this equipment read all manuals tags and labels including material labels and instructions e Do not expose system to rain Always store system indoors e Do not alter or modify equipment e Do not spray cementitious materials e Do not exceed maximum working pressure of lowest rated component in your system e Check equipment daily Repair or replace worn or damaged parts immediately e To reduce risk of serious injury including electric shock and splashing fluid in eyes follow Pressure Relief Procedure on page 6 before servicing the unit e Do not kink or over bend hoses or use hoses to pull equipment e Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 130 F 55 C or below 35 F 37 C e Air hoses at the compressor end can get very hot Allow sprayer to cool down 15 minutes before removing air hose e Store hazardous fluid i
13. circuit Unplug other items from circuit Extension cord too long or wrong Use a different extension cord Refer gauge to Grounding and Electric Require ments page 6 Hopper connection not tight Check gasket Tighten connection Debris in system Clean system Quick disconnect does not stay con Dirty or corroded fitting Clean thoroughly Soak in oil Apply a nected few drops of light oil Gun will not shut off Worn nozzle or needle Relieve Pressure page 6 Replace worn parts Debris in needle passage Relieve Pressure page 6 Clean Fluid leaking at Flow Adjustment Nut Damaged seal Relieve Pressure page 6 Replace seal Fluid leaking out of either plug Needle adjustment won t adjust 26 Missing or damaged o rings Relieve Pressure page 6 Replace O rings Gun damaged Replace gun Dirty threads Clean threads Nozzle not on gun Put nozzle on gun 311772M Wiring Diagram Wiring Diagram 49 Green Wire GND Power Cord mM White Wire 40 Black Wire 4 ae C F C A E 49 Switch Q QO 19 oS ti8937a LS iy 34 Air Diagram RTX 900 RTX 1250 41 68 i ey Oe im 55 Cet i a 81 i 56 Air Valve 99 Cylinder ale Cylinder l fat a Relief Valve ee ee Air Valve 53 egu 84 oe Relief Valve 38 4 PN Manifold on Compressor oY 34 15 E Compressor Air Outlet 311772M i Manifold on Compressor a 15 ti8936a a E Compressor 7 34 Air Outlet 27 Parts Drawin
14. ctor Switch Knob Selector Switch Knob Use Knob Repair Kit 288756 Assembly Disassembly 1 Position new knob to point right approximately 45 from vertical and slide it onto exposed spline 1 Turn selector switch knob clockwise as far as it will ti9280a _ ti9219a 2 Apply Locktite 1 drop or small amount to knob nut _ ti9281a ti9277a Once knob has been removed don t move the exposed spline If it is moved use your fingers to turn it clockwise as far as it will go for a tight fit prior to reassembly of knob This will properly align knob to spline 311772M 23 24 Regulator Valve Regulator Valve Use Regulator Repair Kit 288757 Disassembly 1 Remove Knob page 23 2 Remove Shroud page 7 3 Use wrench to push against fitting 86 and carefully pull cooling tube 79 out ti8952a 4 Use phillips screwdriver to remove two screws _ti9279a 5 Remove old regulator valve Assembly 1 Replace new regulator valve and feed through 3 holes on side of sprayer gt ti9282a Reattach two air lines a AN N ti9275a Replace two screws and tighten with phillips screw driver ti9279a Replace Knob page 23 Replace Shroud page 7 311772M Troubleshooting Troubleshooting Nee protien tae ttn Sprayer won t run Power switch not on No power at wall outlet Check outlet by plugging in another appliance If appliance does not work
15. ements Maximum fluid working pressure Maximum air working pressure Compressor specifications Compressor air displacement Generator required Electric Motor Power Cord Material hopper capacity Maximum delivery with texture Dimensions RTX 900 Length Width Height Weight includes hose and gun Dimensions RTX 1250 Length Width Height Weight includes hose and gun Wetted parts Sound data Sound pressure level Sound power level Storage Temperature Range Operating Temperature Range Gun Maximum Working Pressure Air Maximum Working Pressure CFM Rating Weight Measured while spraying at 1 m Measured per ISO 3744 311772M Technical Data 120 Vac 60 Hz 15A 1 phase 70 psi 4 9 bar 50 psi 3 5 bar Universal motor thermally protected oil less 4 0 scfm at 45 psi 3500W minimum Universal AC 14 Amp 1 5 Hp 16 AWG 3 wire 25 ft Model 254974 8 gallons Model 254975 10 gallons Gun material hopper 3 4 gallon RTX 900 0 9 gpm 3 4 lpm RTX 1250 1 25 gpm 4 7 lpm 23 in 584 mm with handle 18 in 456 mm 40 in 1016 mm 60 Ib 27 2 kg 24 in 609 mm with handle 20 in 508 mm 41 in 1041 mm 65 Ib 29 5 kg brass aluminum plastic 83 2 dB A 97 5 dB A 35 F 160 F 1 6 C 71 C 40 F 115 F 4 C 46 C 70 psi 4 9 bar 100 psi 6 895 bar 3 5 11 CFM 1 1 Ib 500 g 33 Graco Standard Warranty Graco warrants all equipment referenced in t
16. ent information see www graco com patents TO PLACE AN ORDER contact your Graco distributor or call 1 800 690 2894 to identify the nearest distributor All written and visual data contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice For patent information see www graco com patents Original instructions This manual contains English MM 311770 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2007 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revised P August 2014
17. g Parts Drawing Models 254974 and 254975 0 get 7 RTX 1250 28 311772M Parts Drawing Parts Drawing 311772M Models 254974 and 254975 RTX 1250 Only 29 30 Parts List Ref Part 288386 15J600 15HO69 288384 288350 277319 288351 15J670 115095 112612 288314 15H641 288336 288623 120660 15H910 15C090 288093 288515 105240 113981 120444 117630 117633 120771 15H605 288856 120236 120731 289591 15J758 113318 15J862 FITTING elbow plug in A Additional warning labels are available at no cost Models 254974 Description Qty Ref Part PLATE front RTX 1 43 15D561 TOOLBOX 1 45 288628 SUPPORT hopper RTX 1 46 234147 FRAME back RTX painted 1 47 120759 COVER shroud RTX 900 1 48 103473 SHIELD bottom 1 49 115498 COVER shroud RTX 900 1 50 104227 AXLE 1 514A 15H841 WHEEL 9 in 2 524 15K616 CAP hub p 53 120694 HANDLE 1 54A 15H868 KNOB 2 55 120694 FITTING bulkhead assembly 1 96 120569 HOSE pump Roto Flex 4 58 288 56 SWITCH 59 288757 BRACKET pump RTX 1 GAUGE thickness fluid 14 60 120744 HOPPER 1 61 120637 PLATE support RTX painted 14 62 150753 SCREW cap hex hd 1 NUT lock high tensile 1 63 111831 SCREW 4 71 15H912 SCREW torx tri lob 6 76 15K323 SCREW slot hex wash hd 2 77 15K329 SCREW mach pnh 5 78 15K335 HANGER D 79 15K338 COMPRESSOR pump assembly 1 80 120215 SCREW shoulder 1 84 120567 WASHER flat 1 85 115099 CYLINDER RTX 1 COR
18. his document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or substitution of non Graco component parts Nor shall Graco be li
19. le SQ is facing toward the out oy enlace Hotere RUMP NCSE pages 0r side of the compressor This hole will be used to l 9 Replace Shroud page 7 torque the mounting bolts 2 Tighten two mounting bolts 105 on motor 71 until snug then back 1 8 of a turn i faim ia aeee i i a a i n pe T al t rA he fsi f EN a i i k i L r _ EVAN y H Py kir A t a TS 1 i N 105 ti8891a 3 Insert torque wrench into square hole SQ on motor and tighten bolts to 130 150 in lb this may require two people one to torque while the other tightens mounting bolts Tighten motor bolts 105 4 Take compressor out of vice and rotate pump pulley 104 one full revolution to seat the belt properly ie q nT a k o al i eaaa ee A l A a Ja a a vee 1 SK j a at L A hy 7 i 7 ies 7 r Y iP A i a r n T 4 Fj nE A amp 4 RA Pa 4 il pe i L Hh a iF i ti8896a 18 311772M Cooling Tube Cooling Tube Use Cooler Repair Kit 288614 The cooling tube is extremely hot and can cause serious burns Allow unit to completely cool before servicing the cooling tube Disassembly 1 Relieve Pressure page 6 2 Unplug sprayer from outlet Oo AY Bz ae ee 3 Remove Shroud page 7 ti2810b 4 Remove RotoFlex II Pump hose page 9 or 10 5 Remove Compressor page 12 311772M 6 Use 3 8 in socket
20. linder and tighten shoulder bolt 49 to lock into place ti9013a WA lox 10 Replace RotoFlex IlI Pump hose page 9 or 10 Oi O J AO l lt 2 11 Replace Shroud page 7 5 Vag A ae gt 3 Z ti8879a 311772M 13 Piston Cylinder Piston Cylinder Use Piston Cylinder Repair Kit 288609 Disassembly 1 2 14 Relieve Pressure page 6 Unplug sprayer from outlet a 5 L3 ti2810b Remove Shroud page 7 Remove RotoFlex II Pump hose page 9 or 10 Remove Compressor page 12 Remove muffler 110 from head 74 by pulling straight out by hand Use 1 2 in socket to remove three bolts 100 from head 74 8 Use flat blade screwdriver to pry head 74 from top of valve plate 75 and cylinder 76 from bottom of valve plate 75 9 Use 7 82 in allen wrench to remove hex screw 87 from piston rod 77 ti8893a 311772M Piston Cylinder Reassembly 3 Replace three bolts 100 and use 1 2 in socket to tighten into head 74 Torque all three bolts to 75 CAUTION in lb then torque all bolts again to 210 in lb Piston and cylinder come packaged 4 4 Position muffler 110 as seen below and press onto together Do NOT let piston and cylinder E head 74 until it snaps into place come apart If they do make sure you drop the piston down through the top of is 5 Replace Compressor page 12 the cylinder and tilt the piston as you i pull it through the cylinder Do NOT 6 Re
21. n an approved container Dispose of hazardous fluid according to all local state and national guidelines e Never directly inhale compressed air Compressed air may contain toxic vapors 2 311772M Warnings Ad 311772M WARNINGS Electric Shock Hazard To reduce the risk of electric shock e Be sure sprayer is adequately grounded through 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 Relief Procedure page 6 and unplug unit before removing any parts Pressurized Equipment Hazard Fluid from gun leaks or ruptured components can splash in the eyes or on skin and cause serious injury e Follow Pressure Relief Procedure page 6 when you stop spraying and before cleaning checking or servicing e Do not point spray gun at anyone put hand fingers or rag over nozzle or stop or deflect leaks with your hand body glove or rag e Wear protective clothing gloves and eyewear Cleaning Solvent Hazard with Plastic Parts Use only compatible water based solvents to clean plastic structural or pressure containing parts Many solvents can degrade plastic parts to the point where they could fail Such failure could cause serious injury or property damage See Technical Data on page 33 of this instruction manual and in all other equipment manuals Read fluid and solvent manufacturer s w
22. om toolbox and remove toolbox 2 from sprayer P ti8884a 7 Loosen screws 81 on shroud 31 ZF naeB2a 311772M 8 Loosen and remove screw 70 from lower right cor ner of side access panel RTX1250 only a ti8874a Loosen knob 42 on side access panel and swing open door ti8872a Use screwdriver to remove second screw 30 30 ti9283a Remove two shroud halves 5 and 7 from sprayer ti8883a Reassembly 1 Angle left shroud half 5 into base and push down into place Then replace right shroud half 7 ti9015a 2 Replace and tighten second screw 30 30 ti9283a 3 Swing access door down RTX 1250 and tighten knob 42 42 ti8938a 4 Tighten screw 70 into lower right corner of side access plate 70 O ti8874a Shroud Removal Replace toolbox 2 and tighten screws 30 and screw 31 o T ti8884a Tighten screws 31 on shroud 31 f ti8882a Spread handle bars apart and slide handle down into place Tighten 2 knobs 14 on sprayer handle 12 T hw Replace hopper and tighten hopper fitting by hand until snug ti8875a 311772M RotoFlex II Pump RTX 900 RotoFlex II Pump RTX 900 Disassemble 7 Grab pump hose 16 from side of unit and remove pump hose by hand 1 Relieve Pressure page 6 l 2 Unplug sprayer from outlet w AS Z ti8949a T testop Reassemble 3 Remo
23. place RotoFlex II Pump hose page 9 or 10 push the piston up from the bottom You UE could easily damage the piston gasket ti8943a 7 Replace Shroud page 7 1 Replace piston 77 and cylinder 76 and use 7 32 in allen wrench to tighten hex screw 87 into piston rod ti8893a 2 Replace valve plate 75 with ribs facing up toward head ti8887a 311772M 15 Valve Plate Valve Plate Use Valve Plate Repair Kit 288610 8 Use flat blade screwdriver to pry head 74 from top of valve plate 75 and cylinder 76 from bottom of Disassembly valve plate 75 1 Relieve Pressure page 6 Reassembly 2 f tlet SAPU EPrAy ET Nem OUE 1 Replace valve plate 75 with ribs facing up toward Sha ribs on head 74 Iz 2 Replace three bolts 100 and use 1 2 in socket to gt a tighten into head 74 Torque all three bolts to 75 4 in lb then torque all bolts again to 210 in lb SS ti28t0b 3 Replace Compressor page 12 3 Remove Shroud page 7 4 Replace RotoFlex Il Pump hose page 9 or 10 4 Remove RotoFlex II Pump hose page 9 or 10 5 Replace Shroud page 7 5 Remove Compressor page 12 6 Remove muffler 110 from head 74 by pulling straight out by hand 7 Use 1 2 in socket to loosen and remove three bolts 100 from head 74 ti8887a 16 311772M Motor Motor Use Motor Repair Kit 288613 8 Use a box end wrench to loosen and remove two mounting bolts 105 on mo
24. se from unit ti8872a ti9333a 311772M RotoFlex II Pump RTX 1250 Reassemble 1 Bend hose 16 so colored dots on hose fittings face each other IN O 1 ti9331a 2 Slide new pump hose 16 in from side access panel Move pump rollers by hand until or flip power switch to rotate rollers until they are positioned cor 6 rectly with pump hose ti8868a 3 Replace hose bracket 25 to lock pump hose into place ti9288a ia 4 Tighten hose bracket knob 42 42 ti8945a 311772M on Flip side access panel 13 down and tighten knob 42 42 ti8938a Replace and tighten screw 70 from side access panel gree ti8874a Break in new pump by adding 1 cup of water to pump and running dry for 3 minutes 17 Compressor Compressor Use Compressor Repair Kit 288612 Disassembly 1 Relieve Pressure page 6 2 Unplug sprayer from outlet gt D ti2810b 3 Remove Shroud page 7 4 Remove RotoFlex II Pump hose page 9 or 10 5 Unscrew and remove grounding screw 49 from compressor ti8941a 6 Use 9 16 in socket and wrench to remove pivot bolt 26 and nut 27 SA ti8878a 7 Unscrew and remove second 1 2 in grounding screw 49 from bracket 21 ti9013a 12 8 10 11 12 Remove 4 screws 29 and lift bracket 21 off of compressor i ti8877a Remove shoulder bolt
25. te of sale GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IN CONNECTION WITH ACCESSORIES EQUIPMENT MATERIALS OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The Parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnaissent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et procedures judiciaires ex cut s donn s ou intent s a la suite de ou en rapport directement ou indirectement avec les proc dures concern es Graco Information For the latest information about Graco products visit www graco com For pat
26. to remove screw 101 and washer 102 under cooling tube 79 an 102 101 Erp frees at r j i ii 5 ti8886a Use wrench to push against fitting 86 and carefully pull cooling tube 79 out ti8952a Use 5 8 in wrench to unscrew cooling tube fitting gE ti8944a fi 19 20 Reassembly 1 Insert new cooling tube fitting and use 5 8 in wrench to tighten f ane ti8942a 2 Insert cooling tube 79 and push into new fitting 86 Make sure tube is fully seated CAUTION When replacing cooling tube make sure coil is facing up when you push the tubing into the fitting If you push from any other angle you could bend or damage the tube Cooling Tube Rotate cooling tube around and insert free end into push to connect fitting Make sure tube is fully inserted i SA ti9014a Replace screw 101 and washer 102 under cool ing tube 79 and use 3 8 in socket to tighten oar ry Sy nh s a i T EZA AN A a x etree A A SA Fea m ti8886a Replace Compressor page 12 Replace RotoFlex Il Pump hose page 9 or 10 Replace Shroud page 7 311772M Idler Idler Use Idler Repair Kit 288611 Disassembly 1 Relieve Pressure page 6 2 Unplug sprayer from outlet A XP 3 Remove Shroud page 7 ti2810b 4 Remove RotoFlex Il Pump hose page 9 or 10 5 Remove Compressor page 12 6 Remove compressor belt p
27. tor 71 Disassembly A OR EEN 1 Relieve Pressure page 6 RG Ve NOR QU 71 ATI TAN 2 Unplug sprayer from outlet a FA YZ SU 105 OSYLZI c B lt a ti8891a lt J CAUTION 4 Be careful not to bend or damage the cooling tube when removing it from the motor 3 Remove Shroud page 7 9 Angle motor 71 and slide motor pulley through compressor belt to remove motor from compressor gt ti2810b 4 Remove RotoFlex Il Pump hose page 9 or 10 5 Remove Compressor page 12 6 Remove compressor from sprayer body and place it in a vice Tighten the vice onto the main pulley to hold the compressor in place while servicing motor ISS He ti9012a Compressor belt 84 should be replaced every time motor is replaced 10 Use 7 32 in allen wrench to remove hex screw 87 from piston rod 77 ti8893a f yr ti a jf a F oth is i k site oP i k B amp B a a 4 A 4 A SA A I EJ N ti8892a pia ti8894a 311772M 17 Motor Reassembly 5 Place compressor back into vice and torque bolts as described in steps 2 and 3 1 Angle motor pulley through compressor belt 84 and pull motor 71 into position D Replace fan 72 and tighten set screw m eTA i i a N ee EFA f _ urA 4 d ET I k Ez EA Fi i f I hy g LU x eS tig892a roe ti8890a 7 Replace Compressor page 12 When replacing motor 71 make sure the T l square shaped ho
28. ve Shroud page 7 1 Bend hose 16 so colored dots on hose fittings face each other 4 Loosen and remove screw 28 on hose bracket 7 I l l l l l l l l l l l l l l l l l J ti9331a 2 Slide new pump hose 16 over rollers Move pump rollers by hand until or flip power switch to rotate rollers until they are positioned correctly with pump hose ti8868a ti8881a 3 Feed pump fittings through front access panel 6 Slide pump fittings over and push through keyhole keyhole slots and slide into place slots 4 Replace hose bracket 25 to lock pump hose fit tings into place j _ 5 Replace hose bracket 25 and tighten screw 28 E 6 Replace Shroud page 7 7 Break in new pump by adding 1 cup of water to p pump and running dry for 3 minutes ti8869a 311772M 9 10 RotoFlex Il Pump RTX 1250 RotoFlex II Pump RTX 1250 Disassemble 1 Relieve Pressure page 6 6 Loosen and remove knob 42 on hose bracket 25 2 Unplug sprayer from outlet KO 25 aa Pe A Sar _ Ea e a 42 ti8945a oe 7 Remove hose bracket 25 X ti2810b 3 Loosen knob 42 on side access panel D joe ti8870a 4 Remove screw 70 from side access panel n a i ti8874a 5 Pull access panel 13 out to release 3 fastening tabs and flip up to expose side access to pump ti8869a 9 Grab pump hose 16 from side access panel and remove pump ho
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