Graco Inc. 255108 Paint Sprayer User Manual
Contents
1. 15 and guard 2 Prime sprayer See sprayer instruction manual Trigger gun into bucket until fluid flows from gun Release trigger 3 Fluid flow should stop immediately Set trigger lock 3a Aim gun into bucket Trigger gun No fluid show flow If the gun fails tests steps 19 and or 21 relieve pressure and disconnect hose Readjust needle Repeat tests For complete warranty information contact your local Graco distributor call Graco customer service 1 800 690 2894 or visit our website www graco com 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 This manual contains English MM 311979 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 01 2007 Revised 09 20082. 16 into back of guard 2 3 Install guard 2 over end of gun 21 Tighten retaining nut 4 Insert tip 15 into slot on guard 2 Operation Spraying 1 Unlock trigger lock 3a 2 Be sure the arrow shaped tip 15 faces forward spray 3 Hold gun perpendicular and approximately 12 inches 304 mm from surface Move gun first then pull gun trigger 3 to spray a test pattern 4 Slowly increase pump pressure until coverage is uniform and even see sprayer instruction manual for additional information Aligning Spray A WARNING AN 1 Relieve pressure Set trigger lock 3a 2 Loosen guard retaining nut 3 Align guard 2 horizontally to spray a horizontal pattern 4 Align guard 2 vertically to spray a vertical pattern Clearing Clogs PN WARNING Relieve pressure Set trigger lock 3a E Rotate tip 15 180 Unlock trigger lock 3a Trigger gun into pail or onto ground to remove clog 3 Set trigger lock Sa Rotate tip 15 180 back to spray position Cleanup CAUTION Never soak gun in solvents Do not leave the gun or any parts in water Flush gun after each work shift and store in a dry location Clean handle grip with water or with a rag wetted in mineral spirits or paint thinner Do not soak 311979E ti8904a Ref Ref No Part No Description Qty No Part No Description Qty 1 SEAT valve 1 21 195389 HOUSING fluid sand blasted 1 2 237859 GUARD RAC IV 1 195390 HOUS
3. ING fluid tumbled 1 3 243639 TRIGGER kit 4 finger assy includes 1 22 113409 RETAINER guard 1 32 and 33 model 255108 23 15J775 HANDLE grip model 255108 1 288816 TRIGGER kit 2 finger assy includes 1 15J776 HANDLE grip model 255109 1 24 115485 PACKING o ring 1 ge and So Model 2a 103 32 177538 STUD trigger 3a LOCK trigger included with 3 33 105334 NUT i tad 4 195495 GUARD trigger pee 34 288817 KIT repair gun includes 1 9 12 13 1 5 238817 SWIVEL gun 6Y 288749 FILTER gun latex 50 mesh 288750 FILTER gun latex 100 mesh 7 179733 SEAL sleeve 8 195395 CAP end 9 115483 NUT lock 10 115484 PIN actuator 11 195419 HOUSING needle 12 156766 GASKET 13 NEEEDLE gun 15Y 221515 TIP spray RAC IV 15a 243004 RAC IV gasket and seal kit includes 2 rubber gaskets and 2 metal seals A Replacement Danger and Warning labels tags and cards are available at no cost V Keep these spare parts on hand to reduce downtime ee ee ee i Oe ee ee ee a ee ee ee 311979E 3 Maintenance WARNING Before performing any maintenance on gun read all warnings on front cover of this manual and relieve pressure Cleaning Replacing Filter 6 Ot OS Relieve pressure Set trigger lock 3a Disconnect fluid hose from gun at swivel 5 Disconnect trigger guard 4 from guard retainer 22 Unscrew handle 23 from gun 21 Remove filter 6 through top of handle 23 Clean filter 6 Use a sof
4. SG20 and SGPro Airless Spray Guns Models 255108 and 255109 GRACO 311979E Maximum Working Pressure 3600 psi 248 bar 24 8 MPa ENG IMPORTANT SAFETY INSTRUCTIONS Refer to your sprayer instruction manual for Pressure Relief priming and spray instructions Keep these instructions Model 255108 ti8905a ti8906a For the application of architectural paints and coatings 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 hazard symbols refer to procedure specific risks Refer back to these Warnings _ Additional product specific warnings may be found throughout the body of this manual where applicable Po EQUIPMENT MISUSE HAZARD ae A WARNINGS H Misuse can cause death or serious injury oe AA SKIN INJECTION HAZARD e Do not operate the unit when fatigued or under the influ ence of drugs or alcohol e Do not exceed the maximum working pressure or tem perature rating of the lowest rated system component See Technical Data in all equipment manuals 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 Bin e Do not point gun at anyone or at any part of the body e Do not put your hand over the spray tip e Do not stop or deflect leaks with yo
5. hane methylene chlo ride other halogenated hydrocarbon solvents or flu ids containing such solvents in pressurized aluminum equipment Such use can cause serious chemical reaction and equipment rupture and result in death serious injury and property damage PERSONAL PROTECTIVE EQUIPMENT E You must wear appropriate protective equipment when operating servicing or in the operating area of the equipment to help protect you from serious injury 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 e Keep work area free of debris including solvent rags and gasoline e Do not plug or unplug power cords or turn power or light switches on or off when flammable fumes are present e Ground all equipment in the work area See Grounding instructions e Use only grounded hoses e Hold gun firmly to side of grounded pail when triggering into pail e f there is static sparking or you feel a shock stop oper ation immediately Do not use equipment until you iden tify and correct the problem e Keep a working fire extinguisher in the work area T Graco Inc P O Box 1441 Minneapolis MN 55440 1441 Pe Copyright 2007 Graco Inc is registered to l S EN ISO 9001 iii PROVEN QUALITY LEADING TECHNOLOGY Pressure Relief Procedure A WARNING A Follow this Pressure Relief Procedure aN N whene
6. t brush to loosen and remove excess debris Replacing Needle oe E oo 10 11 ti9211a Relieve pressure Set trigger lock 3a Remove tip 15 and guard 2 from gun 21 Disconnect fluid hose from gun at swivel 5 Release trigger lock 3a Squeeze trigger 3 while unscrewing seat diffuser 1 from front of gun Remove locknut 9 and end cap 8 Tap needle assembly 13 out with the needle exiting through front of gun Use a soft brush to clean out internal passages of gun Grease outside of needle seal and in front of locknut thread with non silicon grease Guide new needle 13 through front of gun 21 Loosely install end cap 8 and locknut 9 Grease threads of diffuser seat 1 Place gasket 12 on diffuser seat 1 po 10 12 13 14 15 Insert clean filter 6 into handle 7 Reattach handle 7 to gun 21 Tighten securely Model 255109 only If finger guard is not aligned apply torque manually rotating the grip until it is aligned with the trigger Reconnect trigger guard 4 to guard retainer 22 Squeeze trigger 3 while installing gasket 12 and diffuser seat 1 Torque Hold gun with nozzle facing up Turn locknut 9 clockwise until you see and feel trigger 3 raise slightly Turn locknut 9 3 4 turn counter clockwise NOTE When needle is properly adjusted trigger will move freely 16 17 18 19 20 21 22 Connect fluid hose Install tip
7. ur hand body glove or rag e Do not spray without tip guard and trigger guard installed e Engage trigger lock when not spraying e Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or ser vicing equipment 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 e Use equipment only in well ventilated area e Eliminate all ignition sources such as pilot lights ciga rettes portable electric lamps and plastic drop cloths potential static arc e Use fluids and solvents that are compatible with equip ment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warn ings For complete information about your material request MSDS forms from distributor or retailer e Check equipment daily Repair or replace worn or dam aged parts immediately with genuine manufacturer s replacement parts only e Do not alter or modify equipment e Use equipment only for its intended purpose Call your distributor for information e Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces e Do not kink or over bend hoses or use hoses to pull equipment e Keep children and animals away from work area e Comply with all applicable safety regulations PRESSURIZED ALUMINUM PARTS HAZARD AN Do not use 1 1 1 trichloroet
8. ver instructed to relieve pressure stop spraying check or service equipment or install or clean spray tip 1 Turn OFF power and turn sprayer pressure control to low est pressure setting 2 Hold gun against side of grounded metal flushing pail Trigger gun into pail to relieve pressure If you Suspect spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Clear hose or tip obstruction Gun Trigger Lock 3a A WARNING To prevent injury when the gun is not in use always set the gun s trigger lock 3a if unit is being shut down or left unattended Trigger Locked no spray Trigger Unlocked spray ti8908a ti8909a Setup WARNING Make sure sprayer is turned off and unplugged from power source Refer to your sprayer instruction manual for priming and spray instructions Connect Gun to Sprayer 1 Attach supply hose to sprayer fluid outlet 2 Attach other end of supply hose to gun swivel 5 Use two wrenches one on the swivel 5 and one on the hose to tighten all connections securely 3 Refer to sprayer instruction manual for priming instructions Installing Tip 15 and Guard 2 on Gun 1 If equipment has recently been operated relieve pressure Set trigger lock 3a 2 Using a pencil or similar object insert seat
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