Graco 310645P User's Manual
Contents
1. e Remove hose from material outlet e Tip sprayer forward 45 to allow material water to flow out of pump inlet Before adding material or starting unit in cold weather circulate warm water through pump 4 310645P Component Identification Component Identification 310645P 5 Component Identification Component Identification ITEM COMPONENT 8 O o pomana OO w eesse 6 310645P Preparation Preparation Pressure Relief Procedure Grounding and Electric Requirements The sprayer must be grounded Grounding reduces the risk of electrical shock by providing an escape wire for the electrical current e The sprayer cord includes a a Ground grounding wire with an appro f be priate grounding prong 1 Turn Main Power Switch A OFF 2 Turn fluid flow regulator K all the way down to reduce pressure 3 Open gun air valve aa e The plug must be plugged into an outlet that is properly installed and grounded in accordance with all local codes and ordinances e Do not modify plug If it will not fit in outlet have grounded outlet installed by a qualified electrician 4 Trigger gun spray ing material back into hopper C e Sprayer model electric requirements are provided on page 2 Extension Cords e Only use an extension cord round f with an undamaged 3 prong 5 plug e For up to 100 ft 30 48 m cord use 3 wire 12 AWG 2 5 mm mi2. to remove old belt Dis card old belt 4 While holding motor assembly in place with crow bar Spin pulley to assure proper belt engagement Adjust motor assembly position as necessary At the same time slide in the new belt 310645P 19 Removing and Replacing Belt 20 NOTE A correctly tensioned belt will feel very tight To measure correct tension apply 4 5 Ibs pressure at belt midpoint with thumb Belt should have approximately 1 8 in 3 175 mm deflection ti4477a NOTE A loose belt will not last long If in doubt tighten more 7 Replace RotoFlex 8 Replace back and 5 Tighten all 4 bolts 6 Turn belt one more time with your hand to make sure teeth are properly engaged and tension Is cor rect HD Pump and hose extension page 12 front covers and hop per See Removing and Replacing Hopper Front and Back Cover page 9 ti4473a 310645P Roller Replacement Use Roller Replacement Kit 287321 Kit includes 2 rollers 4 nylon washer and 2 retaining rings Disassembly First read and follow instructions in the Before perform ing any service on sprayer section page 9 Then remove hopper front and back covers page 9 Remove hose extension and RotoFlex HD Pump assembly from frame page 11 1 Remove snap ring 2 Remove roller assembly from rotor pins a 3 Clean rotor pins a and check for damage If pins are worn or dam aged replace rotor a
3. 7331 119872 118886 119381 121479 118845 117728 15D156 118888 15D862 118876 117637 112395 15D633 103473 15B815 101242 287255 287321 113983 117726 15D628 310645P Description KIT compressor replacement includes 1A and 1B 1E 120V sprayers KIT compressor rebuild 120V sprayers KIT compressor replacement includes 1A and 1B 1D 230V sprayers KIT compressor rebuild 230V sprayers SCREW shoulder GROMMET isolator COVER terminal CAPACITOR start BELT FITTING compression union PULLEY rotor HOSE air includes 1 4 in tubing and one way valve NUT hand TUBE air aluminum NUT compression SCREW cap WIRE jumper STRAP tie wire COOLER RING retaining ext ROTOR pump assbly includes 38 38A 38B KIT roller replacement includes 38A 38B and two roll ers RING retaining ext WASHER nylon CONDUCTOR ground Qty N GM W a N NO AR NO Ref 40 41 42 43 45 49 49A 49BA 49CA 51 52 53 54 55 56 57 58 62 63 67 73 74 82 88 101 102 Part 103785 287327 287256 118869 15D610 287346 15D561 15D939 287336 15D940 15D634 116937 117633 116666 287304 15C090 183401 116720 108851 106276 248515 112785 115498 118887 118866 248091 122104 Parts List Description RIVET KIT repair shaft bracket pump assbly BRACKET compressor TUBE SHAFT motor mount SHIELD rear assbl
4. I O ti4433a 10 310645P RotoFlex HD Pump Use RotoFlex HD Pump Replacement Kit 287314 4 NOTE After replacing RotoFlex HD Pump hose always follow Hose Break In Procedure page 13 before oper ating sprayer Disassembly First read and follow instructions in the Before perform ing any service on sprayer section page 9 Then remove hopper and front cover page 9 1 Loosen and remove hose extension 5 6 2 Loosen and remove knob T 3 Slide RotoFlex HD hose off rollers 8 310645P RotoFlex HD Pump Rotate pump assem bly sideways Pull entire assembly out of front of sprayer frame Separate the inner and outer hose brackets Slide hose ends out of Slots in outer hose bracket slide out of short slot first Pull hose out of inner hose bracket Discard pump hose N ti4379a 11 RotoFlex HD Pump Reassembly 5 Replace bracket assembly in housing 1 Bend and kink new making sure the pump hose from kit in mounting screw the middle as shown FA hole located in the making sure dots on 4 top center of the hose fittings face each inner plate faces up other 6 Slide pump hose around rollers Make sure the rollers are horizontally parallel to each other 2 Insert hose ends through holes in inner hose bracket keeping dots on fittings facing each other and kinked portion of hose hori zontal to the under side of bra
5. Repair and Parts GRACO RTX 1500 Electric Texture Sprayer 310645P EN For Water Based Materials Only Consult your Material Supplier for Warnings and Application Requirements Models Page 2 Maximum Working Air Pressure 45 psi 3 1 bar Maximum Working Fluid Pressure 100 psi 6 9 bar Important Safety Instructions Read all warnings and instructions in this manual Save these instructions NOTICE Use RTX 1500 non bleeder texture gun 248091 All other guns will damage sprayer CE MO PROVEN QUALITY LEADING TECHNOLOGY Models Models BEN DEN Electric Country ix Languages Requirements N 287328 Y 48201 120V 60 Hz 15 A 310624 310694 310616 English 248536 110V 60Hz 15A 310624 310694 310616 English 248370 248315 30V 50 Hz 10 A 310624 310616 French 48370 30V 50 Hz 10 A 310624 su Dutch 248370 248315 30V 50 Hz 10 A 310625 NI Italian 248370 30V 50 Hz 10 A 310625 Portuguese 48370 248315 30V 50 Hz 10 A 310625 P German ae w BEE ER JR u oe oA Mer Rene 248970 SOV 50 Ha TOR Brose Seh 248370 30V 50 Hz 10 A 310698 a ae Russian 18370 SOV 50 He TOR rose creek Po hend al GE BEE BB ne Zi 48315 30V 50 Hz 10 A Asia 310699 Korean 248315 30V 50 Hz 10 A 310699 310694 310616 English Auxiliary Air Hookup Kit RELATED MANUALS ALL ALL 310645 English The following are general Warnings related to the safe setup use maintenance and repair of this equ
6. al 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 date 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 w
7. arning hot surface GROMMET LABEL identification LABEL identification LABEL identification GASKET CORD power Americas Canada 120V 60 Hz Europe Asia 230V 50 Hz hardwired rubber cord United Kingdom 110V 60 Hz CORD power Europe Austra lia China 230V 50 Hz requires cordset adapter 152 following ADAPTER cordset for 15D902 Europe Italy Denmark Switzerland Australia China RETAINER for 15D902 BAFFLE hopper Qty NRO RO ANN fa a RO A oo emi 33 Technical Data Technical Data Maximum working fluid pressure 100 psi 6 9 bar Maximum working air pressure 45 psi 3 1 bar Material pressure operating range 0 100 psi 0 to 6 9 bar Compressor 120V 60 Hz 15A 230V 50 Hz 10A Hopper capacity 15 US gallons 57 liters Length 27 in 685 8 mm with handles With Height 40 in 1016 mm Weight aluminum brass polyethylene SST UHMW Sound pressure level 85 8 db A Sound power level 100 1 db A Generator minimum size requirement 7500W 7 5 POO 7 5 KW Maximum external working air pressure must use ee psi 8 3 bar External Air Hookup Kit 287328 ONLY Measured while spraying at 1 m Measured per ISO 3744 34 310645P Notes 310645P Notes 35 Graco Standard Warranty 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 workmans
8. cket 7 Slide feet on the bot tom of hose bracket into the slot on the bottom of sprayer 3 Slide hose ends into outer hose bracket making sure dots on fittings face each other and alignment holes are together slide into long slot first 8 Replace knob Hand tighten O Reattach hose extension 10 Replace front cover and hopper See Removing and Replacing Hopper Front and Back Cover page 9 4 Slide plates together inserting inner plate in outer plate matching alignment holes 12 310645P RotoFlex HD Pump Hose Break In Procedure 1 Make sure fluid flow regula tor K is turned all the way Pa down 3 Turn power switch A on I SO ti4653a 4 Hold in prime switch P 2 Pour approxi mately 1 gallon hot water in sprayer hopper to lubricate the pump 5 Turn fluid flow regula tor K up to full pressure 6 Run sprayer dry for 1 to 1 1 2 minutes a ti4655a 310645P 13 Compressor and Motor Repair Compressor and Motor Repair For 120 V sprayer use Compressor and Motor Replace ment Kit 287315 For 230 V sprayer use Compressor and Motor Replace ment Kit 287344 Kits include motor compressor and mounting hardware Disassembly First read and follow instructions in the Before perform ing any service on sprayer section page 9 Then remove hopper front and back covers page 9 Remove hose extension and RotoFlex HD Pu
9. ef Valve Pay attention to their location to insure they are reattached correctly Remove 2 nuts secur G ing Relief Valve to Br N no Q sprayer PER S N ti4418a SG 310645P 5 Remove Relief Valve from sprayer frame Reassembly 1 Position new relief valve from Kit in back of sprayer 2 Replace and tighten screws 3 Reattach wires to Relief Valve 4 Reattach air line from cooler to manifold 5 Reattach air line to regulator Replace RotoFlex HD Pump and hose extension page 12 6 Replace front cover and hopper See Removing and Replacing Hopper Front and Back Cover page 9 25 Air Flow Sensor Replacement Air Flow Sensor Replacement For 120 V sprayer use Sensor Replacement Kit 287326 2 Rotate counter clockwise C s to remove sensor from For 230 V sprayer use Sensor Replacement Kit 287345 manifold NOTE If you are just replacing the sensor you do not have to remove the motor first Disassembly BE Reassembly First read and follow instructions in the Before perform ing any service on sprayer section page 9 1 Rotate new sensor from kit clockwise all Then remove hopper front and back covers page 9 the way into opening in Relief Valve housing Remove hose extension and RotoFlex HD Pump Lightly tighten nut assembly from frame page 11 1 Disconnect all wire connec tions 2 Reconnect all wires ZOE 3 Replace RotoFlex HD ve XJ Pump and hose I ext
10. ension See Replacing Belt page 19 15 Compressor and Motor Repair 7 Reattach black and white 9 Replace cover plate and wires to motor screws NOTE Wires are not polar SS a 10 Replace RotoFlex HD ity sensitive Pump and hose exten RVG sion page 12 EL 11 Replace front and back ST Pe N covers and hopper See gt Removing and Replac ing Hopper Front and Back Cover page 9 ti4471a 8 Replace reattach green ground wire and grounding nut 16 310645P Compressor Rebuild Kit To replace piston seals and sleeve For 120 V sprayer use Compressor Rebuild Kit 287330 For 230 V sprayer use Compressor Rebuild Kit 287331 Disassembly First read and follow instructions in the Before perform ing any service on sprayer section page 9 Then remove back cover page 9 1 Disconnect air line to motor 2 Remove 3 screws in side of motor cover Remove cover 3 Remove fan bolt from center of fan and remove fan from hous ing 310645P Compressor Rebuild Kit Remove 3 8 in bolt holding piston to motor shaft Loosen 4 bolts on top of motor hous ing Remove bolts and housing from motor Remove piston rod from motor Using parts in kit replace piston seals and sleeve 17 Compressor Rebuild Kit Reassembly 1 18 Insert new piston rod from kit in motor housing Replace and tighten piston bolt Replace top motor hosing and 4 bolts T
11. ension page 12 Pe 4 Replace back and ve JS a front covers and hop in Oo a per See Removing 1 and Replacing Hop ES al per Front and Back for I gt gt Cover page 9 gt 6 WHITE WIRE WHITE WIRE 26 310645P Troubleshooting Troubleshooting w oe o Sprayer won t run or stops intermit Power switch not on No power at wall outlet Check outlet by plugging in another appliance If appliance does not work try another outlet tently Wrong size generator Use a 7500 watt or larger generator Refer to Generator Requirements page 8 Temperature too cold Allow unit to warm up Too many items on same circuit Unplug other items from circuit Internal thermal switch tripped Self resetting Allow unit to cool down 15 minutes and restart Usually occurs when wrong size extension cord is used Extension cord too long or wrong Use a 12 gage extension cord or gauge remove extension cord Refer to Grounding and Electric Require ments page 7 Breaker tripped Reset breaker Pump won t pump material or low Air lock Open air valve on gun output Mix too thick Add water to thin material Use Mate rial Thickness Gauge Loose fittings Check and retighten all fittings Plugged gun Relieve Pressure page 7 Remove gun from hose Clean gun RotoFlex HD Pump worn out Replace hose Pump cold or material frozen in pump Move pump to warm room and allow it to warm up or run hot water thr
12. hether 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 presente document sera en Anglais ainsi que tous documents avis et procedures judiciaires ex cut s donn s ou intentes 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 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 310645 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES e P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2004 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revised March 2014
13. hip on the date of sale 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 liable 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 materi
14. ighten bolts ti4700a Replace motor fan and center fan bolt Tighten bolt Replace motor cover and SCrews Reconnect air line from motor to cooler Replace back cover see Removing and Replacing Hopper Front and Back Cover page 9 310645P Removing and Replacing Belt Removing and Replacing Belt Use Belt Replacement Kits 118845 Replacing Belt First read and follow instructions in the Before perform 1 Using new belt from Kit a ing any service on sprayer section page 9 position new belt around pulleys making Then remove hopper front and back covers page 9 sure the teeth in the belt are properly Remove hose extension and RotoFlex HD Pump engaged with teeth on assembly from frame page 11 pulleys Removing Belt wa N In 1 Loosen 4 bolts 2each TE 2 Replace support rod pow side to loosen tension on DS lt d QZ Tighten 2 bolts 1 each N v 2 A belt side to secure support ing rod x N Wis A Doo S SS NY as q P NN LSS am ti4393a ti4388b ATID Ne W 4 N s s A N N DIT sa Wye x fos 2 Loosen 2 bolts 1 each side holding down sup port rod 3 Insert crow bar under assembly as shown and raise motor assembly until desired belt tension Is achieved 3 Using a screw driver for leverage lift up on motor support rod on one side of motor and ease it out of the hold ing bracket far enough
15. ipment Additional more specific warnings may be found throughout the text of this manual where applicable 2 310645P Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual refer back to these Warnings Product specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable Fire and Explosion Hazard Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Keep work area free of debris including solvent rags and gasoline Ground equipment in the work area See Grounding instructions If there is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Equipment Misuse Hazard Equipment misuse can cause death or serious injury Do not exceed maximum working pressure or temperature rating of lowest rated system compo nent See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings Check equipment daily Repa
16. ir or replace worn or damaged parts immediately Do not alter or modify this equipment Use the equipment only for its intended purpose Call your Graco distributor for information For professional use only Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not use hoses to pull equipment Comply with all applicable safety regulations Electric Shock Hazard Improper grounding setup or usage of the system can cause electric shock e Turn off and disconnect power cord before servicing equipment e Use only grounded electrical outlets e Use only 3 wire extension cords e Ensure ground prongs are intact on sprayer and extension cords 310645P 3 Warnings SKIN INJECTION HAZARD High pressure fluid from gun hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in amputation Get immediate surgical treatment Do not point gun at anyone or at any part of the body Do not put your hand over the spray tip Do not stop or deflect leaks with your hand body glove or rag Do not spray without tip guard and trigger guard installed Engage trigger lock when not spraying Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment Cleaning Solvent Hazard with Plastic Parts Use only compatible water based solvents to clean plastic structural or pressure contai
17. l bottom Removing Hopper toward you 1 To remove hop and out to remove cover per loosen fit ting Fittings are hand tightened and should not require tools to Replacing Cover 1 Place your eo hand under front bottom 2 Lift hopper edge straight up off a 2 frame edge of I cover under Replacing Hopper top metal lip 1 To replace hop on sprayer per position frame drain over fit 1b Then ting as far as it push up on Will cover so lower plastic edge of cover has room to clear front metal frame and slide cover into place To position cover correctly it will go in at an angle go making sure identification label faces out 2 Hand tighten fit 2 Replace knob S Hand tighten fitting 3 Replace hopper 310645P 9 Removing and Replacing Hopper Front and Back Covers Back Cover To access the motor and all other components it is nec Replacing Cover essary to remove the hopper front and back covers 1 To reposition IL l cover on sprayer Removing Cover frame tip the cover back lt toward you and slide it down into place inthe base of the frame Then push the top back K into place Align i 1 Completely remove 6 screws 2 on top and each side from cover os screw holes in MRE 2 Lift cover up side andtopof NN and then tilt it cover with holes in frame back and off sprayer frame 2 Replace and tighten screws a Ba LA A x
18. mp assembly from frame page 11 1 14 Remove two screws and access cover on the left side of the motor Remove ground nut and disconnect green ground wire Disconnect black and white wires to motor 4 9 Loosen 4 bolts 2 each side to loosen tension on belt gt SI gj ZE a 75 mo W a 9 a A 7 OD M Z INSS Slide belt off motor pully Disconnect air line from compressor to cooler and remove Remove 3 screws on right side of cover and remove cover ti4478a 310645P 8 Loosen 2 shoulder bolts about 2 3 turns Do not remove them 9 Remove single shoul der bolt on other side of motor completely 2 3 10 Slide out motor assembly 4 11 Completely remove old shoulder bolts and rubber mounts 12 Thoroughly clean inside housing to remove dust and debris 5 6 310645P Compressor and Motor Repair Reassembly 1 Using two new shoulder bolts and rubber mounts included in your kit insert bolts into openings until they start to snug up on rubber mounts Slide new motor into sprayer frame aligning motor frame opening under bolts Tighten bolts Replace shoulder bolt on left side with new bolt from your kit Tighten bolt Replace end cover Replace and tighten 3 Screws Reattach air line to cooler and compressor Tighten fitting Slide belt over pulleys and set t
19. nimum 310645P 7 Preparation Auxiliary Air Compressor Hose Lengths e Use Auxiliary Air Hookup Kit 287328 when addi e The system comes with a twin line hose set consist tional atomization air is necessary ing of a 1 in ID x 25 ft 25 mm x 7 6 m material hose and a 3 8 in ID air hose Additional hose sec tions can be added Total final length of hose used NOTICE should not exceed 100 feet in length Attaching auxiliary air to sprayer without using the Auxiliary Air Hookup Kit will damage sprayer NOTICE i Generators Sprayer air hose fitting can get hot Allow sprayer to cool down 5 minutes before removing air hose 7500 W 7 5 KW minimum Tips for Using Generators e Before running sprayer make sure it is at room tem perature This will reduce startup current e Run generator at full throttle 8 310645P Removing and Replacing Hopper Front and Back Covers Removing and Replacing Hopper Front and Back Covers Before performing any service on sprayer Front Cover always e Read all warnings page 3 Removing Cover e Read operating instructions manual page 2 1 Remove hopper e Relieve Pressure page 7 2 Unscrew and remove e Turn main power switch A OFF knob 8 e Unplug sprayer from outlet 3 Place you e Remove air and material hoses hand under e Clean sprayer See Operation Manual 310624 or front bot 310625 tom edge of cover 3a Lift Hopper cover up 3b then pul
20. ning 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 34 of this instruction manual and in all other equipment manuals Read fluid and solvent manufacturer s warnings Moving Parts Hazard Moving parts can pinch or amputate fingers and other body parts e Keep clear of moving parts e Do not operate equipment with protective guards or covers removed e Pressurized equipment can start without warning Before checking moving or servicing equipment follow the Pressure Relief Procedure in this manual Disconnect power or air supply Personal Protective Equipment Wear appropriate protective equipment when operating servicing or when in the operating area of this equipment to help protect yourself from serious injury including eye injury inhalation of toxic fumes burns and hearing loss This equipment includes but is not limited to e protective eye wear e clothing and respirator as recommended by fluid and solvent manufacturer e hearing protection e gloves CALIFORNIA PROPOSITION 65 The engine exhaust from this product contains a chemical known to the State of California to cause cancer birth defects or other reproductive harm NOTICE Water or material remaining in unit when temperatures are below freezing can damage pump and or delay startup To insure water and material are completely drained out of unit
21. ough sprayer Check air system for leaks Remove shroud and examine for air leaks Loose wire Remove shroud and examine wiring No air pressure Rebuild compressor 310645P 27 Troubleshooting 28 Problem Cause Soft start won t work pump always Change sensor page 26 loaded Air leak due to bad seal keeps valve Replace seal open Normal soft start system delay Release trigger for 10 15 seconds Retry Switch is not operating Switch is not operating properly Replace switch switch a u solenoid valve on cylinder u aa gun supply hose and sprayer Alr leak for leaks Material runs out of bottom of sprayer RotoFlex HD Pump worn out Replace hose 0000 hose Loose fittings ie EBENE and retighten all fittings No air from compressor Gun air valve closed Open gun air valve Gun needle plugged Clean needle and retry Lines not connected Check all quick disconnect connec tions to gun and hoses Damaged hose Replace hose Worn compressor Service compressor Contact a quali fied Graco Service Center Speed of application too slow Material too thick Thin material Nozzle too small Change nozzles to a larger size See Operation Manual Recommended Nozzle Selection Chart page 20 Speed of application too slow cont Flow control set too low Increase flow control setting Plugged or dirty gun Relieve Pressure page 7 Clean gun Kinkedhose 0000000 hose Unkink hose hose C fluid flow adj
22. ove and reinstall on new cylinder ti4414a 23 Air Cylinder and Solenoid Valve Reassembly 1 24 Insert crowned backing nut on shaft of cylinder Using new cylinder from kit position cylinder in ay sprayer frame inserting end of cylinder through pump bracket mounting hole Install locking nut flush to end of shaft Install dampening grommet Align hole in end of air cyl inder and replace pin 6 NS ti4410a fe ti4455a 10 Replace cotter pin through hole in pin bending ends to secure gt ti4456a Reattach electric wire terminals Terminals are not polarity sensitive and can be connected to A U 2 LN either post Gently push hose in quick release fitting SS Replace RotoFlex HD Pump and hose extension page 12 Replace front cover oO x ti4407a N and hopper See Removing and Replacing Hopper Front and Back Cover page 9 310645P Relief Valve and Flow Sensor Manifold Relief Valve and Flow Sensor Manifold For 120 V sprayer use Relief Valve Replacement Kit 15D559 For 230 V sprayer use Relief Valve Replacement Kit 287350 Disassembly First read and follow instructions in the Before perform ing any service on sprayer section page 9 Then remove hopper front and back covers page 9 1 Remove air line to regulator Remove air line from cooler to manifold Disconnect wires to Reli
23. ssembly Rotor Assembly Replace ment page 22 310645P Roller Replacement Reassembly 1 Replace roller assembly Reinstall snap ring Replace RotoFlex HD Pump and hose extension page 12 gt Replace back and front usa U covers and hopper See Removing and Replacing Hopper Front and Back Cover page 9 21 Rotor Assembly Replacement Rotor Assembly Replacement Use Pump Assembly Replacement Kit 287255 Reassem bly i 1 Put new rotor assembly from kit on shaft Disassembly 2 Insert a wrench in the First read and follow instructions in the Before perform pulley to prevent it from ing any service on sprayer section page 9 moving Then remove hopper front and back covers page 9 Remove hose extension and RotoFlex HD Pump assembly from frame page 11 1 To prevent rotor assembly from moving insert a long screw driver or pry bar in the pulley 3 Replace bolt Torque to 40 ft Ib 4 Replace RotoFlex HD Pump and hose extension page 12 5 Replace back and front covers and hopper See Removing and Replacing Hopper Front and Back Cover page 9 2 Remove large bolt and washer in center of rotor assembly 3 Pull rotor assembly off shaft 22 310645P Air Cylinder and Solenoid Valve Air Cylinder and Solenoid Valve Use Cylinder Replacement Kit 287323 For 120 V sprayer use Solenoid Replacement Kit 15D560 For 230V sprayer use Solenoid Replacemen
24. t Kit 287351 Disassembly First read and follow instructions in the Before perform ing any service on sprayer section page 9 Then remove hopper front and back covers page 9 Remove hose extension and RotoFlex HD Pump assembly from frame page 11 1 Remove hose from quick release fitting by using your fingers on one hand to push in on ring while at the same time using the other hand gently pull the hose out of the fitting a JE ti4406a N Po Remove cotter key located on the end of the cyl inder pin by using a pliers to straighten the ends and pull it out of the hole Remove electric wire ter minal connections 310645P 4 Gently push cylinder forward relieving tension on pin Pull out pin n lt gt SI sv 5 ti4409a ZG 200 NOTE If replacing solenoid valve only it can be done at this time a Use adjustable wrench to rotate entire solenoid valve assembly counterclockwise from cylinder b Replace solenoid valve and continue with step 4 of reassembly Lift cylinder up and pull it back Remove dampening grommet Using a 15 16 in wrench loosen nut mes TE located inside sprayer SIE GA EN 7 aN Q frame at the end of the E air cylinder Using a 15 16 in wrench loosen nut on the other side of the sprayer frame Pull cylinder out of sprayer frame If replacing cylinder only remove solenoid valve see a and b ab
25. ustment set too low Increase ZUEEEN adjustment with flow adjustment nut Intermittent flow sputtering or air in Hopper connection not tight Check gasket TIghten connection material Debris in Debrisinsystem 0000 Clean Air quick disconnect does not stay Dirty or corroded a a thoroughly Soak in oil Apply a connected few drops of light oil Gun will not shut off Worn nozzle or needle Relieve Pressure page 7 Replace worn parts Debris in needle passage Relieve Pressure page 7 Clean Fluid leaking at Flow Adjustment Nut Damaged seal Relieve Pressure page 7 Replace seal Needle adjustment won t adjust Dirty threads Clean threads Nozzle not on gun Put nozzle on gun Flow nut set to maximum adjustment Turn flow nut adjustment the other way 310645P Air Diagram Air Diagram a ro Air Compressor IN I FR Air Cooler LO Regulator Na ln ee ee re ii One Way Valve d One Way Valve Air Flow Control ti4369a Wiring Diagram Air Compressor Air Cylinder i JIN al 32 U Sme _ 2 1 02 7 4 Power l 150 151 _ Switch ad Air Flow 50 50 4 9 Nam 2 oco er White _ a g ee Black _ ti4370d 50 310645P 29 Parts Parts 49A 49C 19 30 310645P Parts List Ref 1 1A 1B 1D 1E 13 16 19 21 22 31 32 33 34 36 3 38 38A 38B 39 Part 287315 287330 287344 28
26. y includes 19 49A 49B 49C COVER tool tray LABEL warning English French Spanish KIT label warning all languages except those included in 15D939 LABEL identification WIRE jumper BEARING flanged bronze SCREW slot hex wash hd TUBE air HOSE SET twin line 1 in x 25 ft GAUGE thickness fluid KEY parallel COUPLER air quick disconnect WASHER plain SCREW cap hex head BALL sponge 30 mm 5 pk SCREW flanged hex head SCREW mach slot hex wash hd HOSE air includes 1 4 in tubing and one way valve WASHER flat GUN non bleeder VALVE PLATE compressor Qty a fQ NRO NRO NO Na CO PN A Replacement Danger and Warning labels tags and cards are available at no cost 31 Parts Parts 152b 152c 152d 152e 152a 310645P 32 Parts List Ref Part 3 118844 5 287323 5A 15D576 5B 118871 6 117720 7 115244 SA 186620 10 117693 12 119064 14 15D559 287350 15 15D560 28 351 16 118888 17 15C968 18 287347 19 15D862 20 287326 287345 23 287348 24 108471 25 15D589 26 15D588 27 287314 284 189286 29 118885 30 287254 32 15D633 35 116478 49BA 15D939 287336 310645P Description REGULATOR air 1 8 in NPT KIT cylinder replacement includes 5A 5B 89 SPACER crowned NUT lock 1 2 20 GAUGE pressure NUT regulator LABEL ground symbol SWITCH power SWITCH power prime VALVE assembly 120V includes sensor spra
27. yer VALVE assembly 230V includes sensor sprayer VALVE cylinder 120V sprayer VALVE cylinder 230V sprayer HOSE air includes 1 4 in tubing and one way valve TUBE air HOPPER texture includes bracket NUT hand KIT sensor only 120V KIT sensor only 230V SHIELD front includes 28 KNOB pronged BRACKET hose outer BRACKET hose inner KIT RotoFlex HD Pump LABEL warning HOSE coupled includes grom met FRAME texture blue WIRE jumper WHEEL pneumatic LABEL warning English French Spanish KIT label warning all languages except those included in 15D939 Qty er d AA A ma Ref 49CA 51 54 55 58 59 60 66 70 71 72 74 77 814 82 834 89 904 914 9024 93 150 150a 150b 150c 151 152 152a 152b c d 152e 153 154 Part 15D940 15D634 116666 287304 116720 104641 116658 116171 116411 116477 101242 115498 102040 198492 118887 15D089 801012 15D951 15D953 15D952 118872 15D630 15E056 15E061 15D902 242001 287121 242005 195551 15F966 Parts List Description LABEL identification WIRE jumper TUBE air HOSE SET twin line 1 in x 25 ft COUPLER air quick disconnect FITTING bulkhead FITTING tube male 1 4 NPT BUSHING strain relief SPRING compression WASHER flat nylon CAP end SCREW mach slot hex wash hd NUT lock hex LABEL warning HOSE air includes 1 4 in tubing and one way valve LABEL w
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