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3A3529C

EN

FIRE AND EXPLOSION HAZARD

LTS 15/LTS 17 Models:

Use only non-flammable or water-based materials, or non-flammable paint thinners. Do not use 

materials having flash points lower than 100° F (38° C). This includes, but is not limited to, acetone, 

xylene, toluene, or naphtha. For more information about your material, request Safety Data Sheet 

(SDS) from the supplier.

Spraying flammable or combustible materials in a factory or fixed location must comply with NFPA 

33 and OSHA 1910.94(c) requirements in the USA and with all similar local regulations in other 

countries.

Not approved for use in explosive atmospheres or hazardous locations.

For portable airless spraying of architectural paints and coatings.

Important Safety Instructions

Read all warnings and instructions in this manual, related manuals, and on the unit. 

Be familiar with the controls and the proper usage of the equipment. Save these 

instructions.

Summary of Contents for True Airless LTS15

Page 1: ...e supplier Spraying flammable or combustible materials in a factory or fixed location must comply with NFPA 33 and OSHA 1910 94 c requirements in the USA and with all similar local regulations in other countries Not approved for use in explosive atmospheres or hazardous locations For portable airless spraying of architectural paints and coatings Important Safety Instructions Read all warnings and ...

Page 2: ...nual Watch Videos Scan QR code for Operational Video or go to magnum graco com magop Related Manuals Gun 312830 SG ProXChange Pump 3A3172 ProLTS only Models 3000 psi 207 bar 20 7 MPa Maximum Working Pressure VAC Model Stand Cart 120 USA LTS 15 17K955 LTS 17 17K960 ProLTS 170 17H198 ProLTS 190 17H206 110474 Certified to CAN CSA C22 2 No 68 Conforms to UL 1450 ...

Page 3: ...e 28 Spray Tip Selection 28 Cleaning Fluid Compatibility 29 Static Grounding Instructions Oil Based materials 29 Maintenance 32 Troubleshooting 35 LTS 15 17K955 Stand Sprayer Parts 40 LTS 17 17K960 Cart Sprayer Parts 42 ProLTS 170 17H198 Stand Sprayer Parts 44 ProLTS 190 17H206 Cart Sprayer Parts 46 ProXChange Pump Parts ProLTS only 48 Wiring Diagram 110 120V 50 Technical Specifications 51 Graco S...

Page 4: ... or plug is required do not connect the grounding wire to either flat blade terminal The wire with insulation having an outer surface that is green with or without yellow stripes is the grounding wire Check with a qualified electrician or serviceman when the grounding instructions are not completely understood or when in doubt as to whether the product is properly grounded Do not modify the plug p...

Page 5: ...bly spray gun and objects in and around the spray area shall be properly grounded to protect against static discharge and sparks Use Graco conductive or grounded high pressure airless paint sprayer hoses Verify that all containers and collection systems are grounded to prevent static discharge Do not use pail liners unless they are anti static or conductive Connect to a grounded outlet and use gro...

Page 6: ...unctioning properly Verify that all connections are secure before operating the unit Know how to stop the unit and bleed pressure quickly Be thoroughly familiar with the controls EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Always wear appropriate gloves eye protection and a respirator or mask when painting Do not operate or spray near children Keep children away from equipment...

Page 7: ...e checking moving or servicing equipment follow the Pressure Relief Procedure and disconnect all power sources TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed Read MSDSs to know the specific hazards of the fluids you are using Store hazardous fluid in approved containers and dispose of it according to appli...

Page 8: ...ch E Suction Tube F Drain Tube with diffuser G Airless Spray Gun H Reversible Spray Tip J Tip Guard K Gun Trigger Lock L Gun Fitting M Gun Filter inside handle N Pump O Inlet Valve P Outlet Valve airless hose connection Q Airless Hose T Inlet Strainer U Power Cord W Suction Tube Drip Cup Model Serial Tag Not shown located on bottom of unit See Quick Reference page 31 for more information ...

Page 9: ...E Suction Tube F Drain Tube with diffuser G Airless Spray Gun H Reversible Spray Tip J Tip Guard K Gun Trigger Lock L Gun Fitting M Gun Filter inside handle N Pump O Inlet Valve P Outlet Valve airless hose connection Q Airless Hose S Pail Hanger T Inlet Strainer U Power Cord Model Serial Tag Not shown located on bottom of unit See Quick Reference page 31 for more information ...

Page 10: ...Spray Tip J Tip Guard K Gun Trigger Lock L Gun Fitting M Gun Filter inside handle N ProXChange Pump behind Easy Access Door O Inlet Valve P Airless Hose Connection Q Airless Hose R InstaClean Filter inside fluid outlet T Inlet Strainer U Power Cord V Easy Access Door W Suction Tube Drip Cup X Pump Removal Tool Y Outlet Valve Z Inlet Valve Removal Tool Model Serial Tag Not shown located on bottom o...

Page 11: ...versible Spray Tip J Tip Guard K Gun Trigger Lock L Gun Fitting M Gun Filter inside handle N ProXChange Pump behind Easy Access Door O Inlet Valve P Airless Hose Connection Q Airless Hose R InstaClean Filter inside fluid outlet S Pail Hanger T Inlet Strainer U Power Cord V Easy Access Door X Pump Removal Tool Y Outlet Valve Z Inlet Valve Removal Tool Model Serial Tag Not shown located on bottom of...

Page 12: ...seal may fall out when tip guard is removed 6 Turn pressure control knob all the way left counter clockwise to lowest set ting 7 After long term storage check inlet strainer for clogs and debris Strain the Paint Previously opened paint may contain dried paint or other debris To avoid priming prob lems and spray tip clogs it is recommended to strain the paint before using Paint strain ers are avail...

Page 13: ...te pail and turn Prime Spray valve in PRIME position drain to relieve pressure 5 Hold the gun firmly to a pail Point gun into pail Disengage the trigger lock and trigger the gun to relieve pressure 6 Engage the trigger lock This equipment stays pressurized until pressure is manually relieved To help prevent serious injury from pressurized fluid such as skin injection or splashed fluid follow the P...

Page 14: ...age 13 2 Make certain ON OFF switch is OFF 3 Separate drain tube smaller from suc tion tube larger 4 Place drain tube in a waste pail 5 Submerge suction tube in a pail par tially filled with water or flushing fluid If spraying oil based materials sub merge the suction tube in mineral spir its or compatible cleaning solvent If spraying water based materials sub merge the suction tube in water 6 Tur...

Page 15: ...an slow and stop Turn ON OFF switch ON for three seconds then OFF until motor stops then ON again for three seconds then OFF until motor stops Continue until sprayer is primed If flushing fluid does not flow up suction tube see next step 2 Remove suction tube Insert pointed end of a pencil into the inlet and push up to free inlet valve ball LTS15 LTS17 ProLTS Install suction tube and repeat Flush ...

Page 16: ...peat Flush Storage Fluid page 14 ProLTS Inlet Valve Removal An integrated tool is included in the frame to remove the inlet valve assembly from the pump If you suspect that the inlet valve is clogged or stuck remove the valve assembly and clean or replace Insert pump inlet into frame and loosen the inlet valve Remove inlet valve ti30578a LTS15 LTS17 ti30589a ProLTS NOTICE Do not lose the ball and ...

Page 17: ...1 Move suction tube to paint pail and submerge suction tube in paint 2 Turn ON OFF switch to ON position 3 Wait to see paint coming out of drain tube 4 Turn ON OFF switch to OFF position NOTE If paint does NOT flow up the suction tube and out the drain tube follow the Flush Storage Fluid steps 1 5 on this page LTS15 LTS17 ti30579a ti30591a ProLTS High pressure spray is able to inject toxins into t...

Page 18: ...position d Turn ON OFF switch to ON posi tion 2 Trigger gun into waste pail until only paint comes out of the gun 3 Release trigger Engage trigger lock 4 Transfer drain tube to paint pail and clip to suction tube NOTE When motor stops sprayer is ready to paint If motor continues to run sprayer is not properly primed Repeat Fill Pump Prime Pump and Fill Gun and Hose ti27867a A B C D ti27139a ...

Page 19: ...nd tip guard parts are assembled in the order shown a Use spray tip to align gasket and seal in the tip guard b Spray tip must be pushed all the way into the tip guard Turn spray tip to push down c Turn the arrow shaped handle on the spray tip forward to the spray position 4 Screw spray tip and tip guard assembly onto the gun and tighten TIP GUARD RETAINING NUT RUBBER GASKET METAL SEAL SPRAY TIP t...

Page 20: ... 190 0 019 in 0 48 mm Spray Techniques Use a piece of scrap cardboard to practice these basic spraying techniques before you begin spraying the surface Hold gun 12 in 30 cm from surface and aim straight at surface Tilting gun to direct spray angle causes an uneven finish Flex wrist to keep gun pointed straight Fanning gun to direct spray at angle causes uneven finish 3000 psi 207 bar 20 7 MPa ti55...

Page 21: ... be thinned follow manufacturer s recommendations Clear Tip Clog In the event that particles or debris clog the spray tip this sprayer is designed with a reversible spray tip that quickly and easily clears the particles without disassembling the sprayer See Strain the Paint page 12 for additional information 1 Engage trigger lock Rotate spray tip to unclog position Disengage trigger lock Trigger g...

Page 22: ...y from gun and place in waste pail 3 Lift suction tube and drain tube from paint pail Let paint drain into the pail 4 Separate drain tube smaller from suc tion tube larger 5 Place empty waste and flushing fluid pails side by side 6 Place suction tube in flushing fluid Use water for water based paint and mineral spirits or compatible oil based flushing solvent for oil based paint Place drain tube i...

Page 23: ...14 Turn pressure control knob to the low est setting 15 Stop triggering gun Engage the trigger lock 16 Turn Prime Spray valve down to PRIME position 17 Turn ON OFF switch to OFF position 18 Clean outlet filter ProLTS only See Cleaning InstaClean Fluid Filter ProLTS only page 25 19 Fill unit with Pump Armor fluid See Long Term Storage page 26 Cleanup with Power Flush Adapter Water based materials o...

Page 24: ... is for returning paint in hose to paint pail One 50 ft 15 m hose holds approximately 1 quart 1 liter of paint 15 To recover paint in hose point gun into paint pail while holding gun firmly to the pail a Disengage trigger lock b Pull and hold gun trigger c Turn Prime Spray valve horizontal to SPRAY position d Turn ON OFF switch to ON position e Continue to hold gun trigger until you see paint dilu...

Page 25: ... 5 Check InstaClean Filter C for debris If needed clean filter with water or flushing fluid and a soft brush a Install closed square end of InstaClean Filter C in sprayer b Screw outlet valve B into sprayer 6 Tighten outlet valve and reconnect hose A to sprayer Use two wrench to tighten securely Clean the Gun 1 Clean gun filter A with water or flushing fluid and a brush every time you flush the sy...

Page 26: ...ean with water or flushing fluid and a brush 7 Wipe paint off outside of gun using a soft cloth moistened with water or flush ing fluid Long Term Storage more than 2 days Pump Armor fluid protects the sprayer against freezing and corrosion Before storing sprayer make sure all water is drained out of sprayer Do not allow water to freeze in sprayer Do not store sprayer under pressure Store sprayer i...

Page 27: ...n ON OFF switch to OFF position 7 Turn Prime Spray valve horizontal to SPRAY position to keep storage fluid in sprayer during storage 8 Leave gun attached to hose 9 Remove tip and guard and clean with water or flushing fluid and a brush 10 Wipe paint off outside of gun using a soft cloth moistened with water or flush ing fluid 11 Secure a plastic bag around suction and drain tube to catch any drip...

Page 28: ...elect a fan width best suited to the surface being sprayed Wider fans allow provide better cover age on broad open surfaces Narrower fans provide better control on small confined surfaces Understanding Tip Number The last three digits of tip number i e 221413 contain information about hole size and fan width on surface when gun is held 12 in 30 5 cm from surface being sprayed Reversible Spray Tip ...

Page 29: ...spraying water based materials flush the system thoroughly with mineral spir its or a compatible oil based flushing solvent first The solvent flowing out of the drain tube should not contain any water When flushing with solvents always follow Static Grounding Instructions Oil Based materials page 29 To avoid fluid splashing back on your skin or into your eyes always aim gun at inside wall of pail ...

Page 30: ...il Clamp one end to the pail and the other end to a true earth ground such as a water pipe To maintain ground continuity when sprayer is flushed or pressure is relieved hold metal part of spray gun firmly to the side of a grounded metal pail then trigger the gun ti24584a ti25497a ...

Page 31: ...un Filter Filters fluid entering spray gun to reduce tip clogs N Pump Pumps and pressurizes fluid and delivers it to paint hose O Inlet Valve Allows paint to flow from paint bucket into the sprayer P Y Airless Hose Connection Outlet Valve Threaded connection for airless hose Allows paint to flow from the sprayer to the gun Q Airless Hose Transports high pressure fluid from pump to spray gun R Inst...

Page 32: ...ced See ProXChange Pump Parts Pro LTS only page 48 or consult a Graco MAGNUM authorized retailer dis tributor or service center Purchase a pump repair kit and install according to instructions provided with kit before your next job Pump Removal Remove airless hose suction tube and drain tube Always perform Pressure Relief Procedure page 13 before starting any pump repairs and unplug the sprayer 1 ...

Page 33: ...lide pump assembly off the mounting pins ProLTSChange Removal Tool An integrated tool is included in the frame to remove the ProLTSChange packing assembly See Pump repair manual for complete repair instructions ti26930a ti26931a ...

Page 34: ... the opening in the yoke b Push on pump rod to slide pump assembly back on to mounting pins 2 Swing easy access door closed while pushing the entire door down 3 Install hose suction tube and drain tube 4 Plug sprayer into power source NOTE Door must be fully closed and latched before sprayer will operate ti27036a ti27037a 1 ti27478a 2 3 ...

Page 35: ...et with known working device Reset circuit breaker or replace fuse Find working outlet Reset building circuit breaker or replace fuse Extension cord is damaged Replace extension cord See page 4 Sprayer electric cord is damaged Check for broken insulation or wires Replace electric cord if damaged Pump is seized Paint has hardened in pump or Water is frozen in pump Turn ON OFF switch off and unplug ...

Page 36: ...len wrench into the inlet section to dislodge the ball see page 17 Clean inlet valve ball see page 17 OR Power Flush sprayer see page 23 Thick or sticky paint Some fluids may prime faster if the ON OFF switch is momentarily turned off so the pump can slow and stop Turn ON OFF switch on and then off again several times if necessary See page 17 Suction tube is leaking Inspect suction tube connection...

Page 37: ... Inlet strainer is clogged or suction tube is not immersed in paint Clean debris off inlet strainer and make sure suction tube is immersed in paint Extension cord is too long or not heavy enough gauge Replace extension cord See page 4 Inlet pump valve or outlet pump valve is worn or clogged with debris Check for worn or contaminated inlet valve or outlet valve Prime sprayer with paint Trigger gun ...

Page 38: ...l switch Pressure control switch is worn Take sprayer to Graco MAGNUM authorized service center Paint is leaking through drain tube Sprayer is over pressurizing Take sprayer to Graco MAGNUM authorized service center Paint leaks down outside of pump Pump packings are worn Replace pump packings ProLTS only Replace pump packings with new ProXChange module See page 32 Motor is hot and runs intermitten...

Page 39: ...Notes 3A3529C 39 Notes ...

Page 40: ...16a 16b 16 19 8a 8b 48 8 31 17 29c 29a 29b 29 20 19a 22 30 32 37a 37 39 36 34 38 35 40 52 19b 13a 13 ti28224a 41 1 33 33a 33b 33c 1 2 3 4 5 6 Ref Torque 20 25 in lb 2 3 2 8 N m 26 32 in lb 2 9 3 6 N m 25 35 in lb 2 8 4 0 N m 80 90 in lb 9 0 10 0 N m 12 16 in lb 1 4 1 8 N m 36 42 in lb 4 0 4 7 N m 1 2 3 4 5 6 ...

Page 41: ... 115498 SCREW grounding 1 22b 17K627 LABEL Magnum warning not shown 1 29 16E844 KIT pump inlet valve includes 29a 29b 29c 1 29a 124249 BALL intake 1 29b 103338 O RING 1 29c 123849 SPRING inlet 1 30 257002 KIT strainer 1 31 15Y296 COVER wire 1 32 115099 WASHER hose 1 33 235014 KIT drain valve includes 33a 33b 33c 1 33a 24E578 BASE valve 1 33b 187625 HANDLE valve drain 1 33c 111600 PIN grooved 1 34 ...

Page 42: ...42 39 40 35 36 37 10c 10d 1 30 49 27 26a 26 28 23 24 25 29 29b 29a 29c 22 13a 13a 13 8 31 8b 8a 52 51 ti28225a 17 43 16a 18 33 33a 33b 33c 16b 2 3 1 4 3 5 6 2 Ref Torque 20 25 in lb 2 3 2 8 N m 45 55 in lb 5 0 6 2 N m 25 35 in lb 2 8 4 0 N m 80 90 in lb 9 0 10 0 N m 12 16 in lb 1 4 1 8 N m 36 42 in lb 4 0 4 7 N m 1 2 3 4 5 6 ...

Page 43: ...wn 1 23 244035 DEFLECTOR barbed 1 24 115489 CLAMP drain tube 2 25 195108 TUBE drain 1 26 24V073 KIT suction tube includes 23 24 25 26a 27 28 30 49 61 1 26a 16D951 TUBE suction includes 49 1 27 116295 CLAMP tube 1 28 195400 CLIP spring 2 29 16E844 KIT pump inlet valve includes 29a 29b 29c 1 29a 124249 BALL intake 1 29b 103338 O RING 1 29c 123849 SPRING inlet 1 30 257002 KIT strainer 1 31 15Y296 COV...

Page 44: ...rts Ref Torque 140 160 in lb 16 18 N m 30 35 in lb 3 5 4 0 N m 110 120 in lb 12 14 N m 45 55 in lb 5 6 N m 1 2 3 4 1 1a 2 4 3 7 9 10 10a 27 10b 9 12 13 56 8 14 15 15a 16 17 19 20 45 21 21a 22 22 23 24 25 37a 37 36 35 34 39 38 35 40 6 32 ti27198a 31 30 18 73 See page 48 1 2 3 4 3 2 2 2 ...

Page 45: ...6 KIT right leg includes 22 23 1 21 16E837 KIT left leg includes 22 23 1 22 260212 SCREW hwh thread forming 8 23 15J699 CAP tube 2 24 276864 HANDLE sprayer 1 25 116139 GRIP handle 1 27 17J032 LABEL front 1 30 247340 HOSE cpld 1 4 in x 50 ft 1 31 243012 GUN spray SG3 1 32 115099 WASHER hose 1 34 244035 DEFLECTOR barbed 1 35 115489 CLAMP drain tube 2 36 195084 TUBE drain 1 37 24V074 KIT tube suction...

Page 46: ...r Parts Ref Torque 30 35 in lb 3 5 4 0 N m 110 120 in lb 12 14 N m 45 55 in lb 5 6 N m 2 3 4 15 15a 16 3 1 1a 4 7 9 56 8 10b 9 10 10a 12 27 13 14 17 18 19 21 22 20 55 54 41 22 42 36 40 37 37 39 35 34 38 16 48 43 43 46 49 47 44 26 45 26a ti27244a 2 31 30 2 2 3 3 2 See page 48 4 2 ...

Page 47: ...a 43 44 45 46 47 48 49 61 1 26a 16H348 TUBE suction includes 49 1 27 17J034 LABEL front 1 30 247340 HOSE cpld 1 4 in x 50 ft 1 31 243012 GUN spray SG3 1 34 112612 CAP hub 2 35 17K546 WHEEL includes 34 2 36 115480 KNOB T handle 2 37 120689 NUT hex acorn 5 16 18 2 38 15J790 HOOK pail 1 39 16W362 AXLE cart 1 40 16H350 RACK hose 1 41 16H353 HANDLE cart 1 42 120788 SCREW carriage 2 43 115489 CLAMP drai...

Page 48: ...rts ProLTS only Ref Torque 140 160 in lb 16 18 N m 30 35 in lb 3 4 4 0 N m 30 35 ft lb 40 48 N m 220 250 in lb 25 28 N m 320 380 in lb 36 43 N m 1 2 3 4 5 1 28a 28c 28b 6 4 6a 2 3 8 9 10 11 25 30 16 28 21 7 7b 7a 5 15 14 13 12 42 ti27261a ti27261 29 1 2 3 5 5 4 4 4 ...

Page 49: ... 8 235014 VALVE drain assy 1 9 224807 BASE valve 1 10 187625 HANDLE valve drain 1 11 111600 PIN grooved 1 12 257001 KIT filter 1 13 120776 PACKING O ring 1 14 24Y327 KIT repair outlet includes 12 13 1 15 17J880 KIT outlet valve repair includes 42 1 16 128323 SPRING valve 1 21 16D531 PACKING O ring 1 25 24Y472 KIT repair piston pump 1 28 17J881 KIT pressure control includes 5 28a 28b 28c 29 30 1 28...

Page 50: ...Wiring Diagram 110 120V 50 3A3529C Wiring Diagram 110 120V LTS 15 LTS 17 ProLTS 170 ProLTS 190 GREEN ON OFF SWITCH WHITE BLACK PRESSURE SWITCH WHITE BLACK MOTOR ti14050a ti27233a M ...

Page 51: ...9 in 0 48 mm Fluid Outlet npsm 1 4 in 1 4 in Generator Minimum 2500 W Power Requirements LTS 15 LTS 17 110 120V 9 A 1Ø ProLTS 170 ProLTS 190 110 120V 8 A 1Ø Dimensions Height LTS 15 17 9 in 45 5 cm LTS 17 37 0 in 94 0 cm ProLTS 170 21 2 in 53 9 cm ProLTS 190 37 2 in 94 5 cm Length LTS 15 14 5 in 36 8 cm LTS 17 19 3 in 49 0 cm ProLTS 170 15 1 in 38 4 cm ProLTS 190 20 0 in 50 1 cm Width LTS 15 12 4 ...

Page 52: ...E carbide nylon aluminum PVC polypropylene fluoroelastomer plated steel Notes Startup pressures and displacement per cycle may vary based on suction condition discharge head air pressure and fluid type When pump is stored with non freezing fluid Pump damage will occur if water or latex paint freezes in pump Damage to plastic parts may result if impact occurs in low temperature conditions Changes i...

Page 53: ...Notes 3A3529C 53 Notes ...

Page 54: ...s 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 inci...

Page 55: ...Information For the latest information about Graco products visit www graco com For patent 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 ...

Page 56: ...changes at any time without notice Original instructions This manual contains English MM 3A3529 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2016 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revision C April 2017 ...

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