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Advanced Troubleshooting

313036H

General Problem: Erratic Motor Operation

Specific Problem

Cause

Solution

Sprayer quits after running for
5 to 10 minutes

Building circuit is overloaded.

Remove other loads from building circuit or find
another circuit that has less load. See Ground-
ing and Electric Requirements, page 10.

Electrical outlet supplying
wrong voltage.

Try another outlet. Check electric supply with volt
meter. Meter must read 85 to 130V AC. If voltage
is too high, do not use outlet until corrected.

Also see Basic Electrical Problems and Sprayer Wiring Problems, pages 19 - 20.

Motor is overheating.

Warning: See Thermal Over-
load, page 10.

After motor cools, operate sprayer and deter-
mine if motor stops when trigger on gun is
released. If sprayer runs continuously, replace
Pressure Control. See List of Kits, page 28.

Relieve pressure and remove motor enclosure.
Turn motor fan by hand to check for binding
gears or seized pump. See List of Kits, page 28.

Содержание 257060

Страница 1: ...th guns and maximum working pressure IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in this manual Save these instructions LTS 15 LTS 17 Models ONLY Use water based or min eral spiri...

Страница 2: ...uirements for the use of flammable and combustible materials Model Name Series Dispense Rate gpm lpm Hose Length and Diameter Gun Model Maximum Working Pressure PSI MPa bar MAGNUM LTS 15 B 0 27 gpm 1...

Страница 3: ...cord 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...

Страница 4: ...sprayed Read all Material Safety Data Sheets MSDS and container labels provided with the paints and solvents Follow the paint and solvents man ufacturer s safety instructions Fire extinguisher equipme...

Страница 5: ...ent Keep children and animals away from work area Comply with all applicable safety regulations ELECTRIC SHOCK HAZARD This equipment must be grounded Improper grounding setup or usage of the system ca...

Страница 6: ...and dispose of it according to applicable guidelines PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury hear...

Страница 7: ...s may reduce sprayer performance Fluid supply container follow local code Solvent pails used when flushing follow local code Use only conductive metal pails placed on a grounded surface such as concre...

Страница 8: ...fluid from paint pail into pump H Prime tube with diffuser Drains fluid in system during priming and pressure relief J Prime Spray valve In PRIME position pointing down directs fluid to prime tube In...

Страница 9: ...Component Identification 313034G 9 J E D X B W F C G L H Q R A S T ti9669a ti11987a M ti9368b C1 ti9346a ti9670a F1 U ti9724a ti11988a V SG2 SG3...

Страница 10: ...pressure 4 Engage trigger lock NOTE Leave Prime Spray valve in the PRIME position until you are ready to spray again If you suspect the spray tip or hose is clogged or that pressure has not been full...

Страница 11: ...il or Water based Materials When spraying water based materials flush the system thoroughly with water When spraying oil based materials flush the sys tem thoroughly with mineral spirits or compatible...

Страница 12: ...ubmerge suction tube in paint 12 Turn power switch ON 13 When you see paint coming out of prime tube a Point gun into waste pail b Unlock gun trigger lock c Pull and hold gun trigger d Turn Prime Spra...

Страница 13: ...res sure a smaller tip is needed or the material may need to be thinned Adjust Spray Pressure This sprayer is set up for most airless spraying applica tions Details on tip selection tip wear coat thic...

Страница 14: ...truction engage trigger lock 2 Point arrow shaped handle backward to UNCLOG posi tion 3 Aim gun at piece of scrap or cardboard 4 Unlock trigger lock Pull trig ger to clear clog 5 When obstruction is c...

Страница 15: ...se best tip hole size for that coating and best fan width for that surface Tip Hole Size Tip hole size controls flow rate the amount of paint that comes out of the gun HINTS Use larger tip hole sizes...

Страница 16: ...width 413 tip has 8 10 in fan width 413 tip has a 0 013 in hole size Last two digits tip hole size in thousands of an inch ti5559a Tip Part No Fan Width 12 in 305 mm from surface Hole Size 221311 6 8...

Страница 17: ...ect spray angle causes an uneven finish Flex wrist to keep gun pointed straight Fanning gun to direct spray at angle causes uneven finish Triggering Gun Pull trigger after starting stroke Release trig...

Страница 18: ...bly from gun and place in flushing fluid 3 Lift suction tube and prime tube from paint pail Let them drain into paint pail for a while 4 Separate prime tube smaller from suction tube larger 5 Place em...

Страница 19: ...trigger gun quickly move gun to redirect spray into waste pail Continue triggering gun into waste pail until flushing fluid dispensed from gun is relatively clear 14 Stop triggering gun Engage the tri...

Страница 20: ...re Control knob to the Prime Clean setting 7 Screw power flush attachment to garden hose Close valve 8 Turn on water Open valve Rinse paint off suction tube prime tube and inlet screen 9 Turn lever to...

Страница 21: ...ting to come out of gun 17 While continuing to trigger gun quickly move gun to redirect spray into waste pail Continue triggering gun into waste pail until water coming out of gun is relatively clear...

Страница 22: ...nd a soft brush a Install closed square end of InstaClean Fluid Filter c in sprayer b Screw outlet fitting b into sprayer 4 Tighten outlet fitting and reconnect hose a to sprayer Use two wrenches to t...

Страница 23: ...used to loosen and remove dried on material if needed d Wipe paint off outside of gun using a soft cloth moistened with water or flushing solvent Long Term Storage more than 2 days NOTE Always circula...

Страница 24: ...control knob clockwise until the pump turns on 5 When storage fluid comes out of prime tube 5 10 seconds turn power switch OFF 6 Turn Prime Spray valve to SPRAY to keep storage fluid in sprayer durin...

Страница 25: ...Wrap hose around hose wrap bracket 3 Secure a plastic bag around suction tube to catch any drips 4 Store sprayer indoors NOTICE Before storing sprayer make sure all water is drained out of sprayer an...

Страница 26: ...ips may require replacement after 15 gallons 57 liters or they may last through 60 gallons 227 liters depending on abrasive ness of paint Do not spray with worn tip Pump Packings When pump packings we...

Страница 27: ...building circuit breaker or replace fuse Extension cord is damaged Replace extension cord Read Grounding and Electric Require ments page 7 Sprayer electric cord is damaged Check for broken insulation...

Страница 28: ...d page 11 Inlet valve check ball is stuck Remove suction tube and place a pencil into the inlet section to dis lodge the ball allowing pump to prime properly OR Power Flush sprayer page 20 AutoPrime m...

Страница 29: ...structed with debris Take sprayer to Graco MAGNUM authorized service center Pump check ball is stuck Read Pump does not prime section in Troubleshooting page 28 Pump cycles but paint only dribbles or...

Страница 30: ...pump should cycle momen tarily and stop If pump con tinues to cycle pump valves may be worn c Remove valves and check for debris Material is too thick Thin material Hose is too long if extra section i...

Страница 31: ...pump Pump packings are worn Replace pump packings Motor is hot and runs intermittently Motor automatically shuts off due to excessive heat damage can occur if cause is not corrected Thermal Overload...

Страница 32: ...eight N A 29 2 in 74 2 cm Power cord 18 AWG 3 wire 6 ft 1 8 m Fluid inlet fitting 3 4 in internal thread standard garden hose thread Fluid outlet fitting 1 4 NPSM external thread Inlet screen on sucti...

Страница 33: ...m Height 30 in 76 cm 30 in 76 cm Power cord 16 AWG 3 wire 6 ft 1 8 m Fluid inlet fitting 3 4 in internal thread standard garden hose thread Fluid outlet fitting 1 4 NPSM external thread Inlet screen o...

Страница 34: ...eturned 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 charge...

Страница 35: ...3000 psi 21 MPa 207 bar Maximum Working Pressure See page 2 for model and series information including dispense rate recommended hose length guns and maximum working pressure IMPORTANT SAFETY INSTRUCT...

Страница 36: ...handle a located in front of sprayer frame toward you Lift up front of sprayer until you hear a click and the cart is locked in place 4 Install hose rack d to frame handle Install lock nuts Tighten s...

Страница 37: ...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 w...

Страница 38: ...ents being sprayed Read all Material Safety Data Sheets MSDS and container labels provided with the paints and solvents Follow the paint and solvents manufacturer s safety instructions Fire extinguish...

Страница 39: ...use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations ELECTRIC SHOCK HAZARD This equipment must be grounded Improper grounding setup o...

Страница 40: ...d containers and dispose of it according to applicable guidelines PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye...

Страница 41: ...Notes 313036H 7 Notes...

Страница 42: ...tion pointing down directs fluid to prime tube In SPRAY position pointing forward directs pressurized fluid to paint hose Automatically relieves system pressure in overpressure situations K Storage co...

Страница 43: ...Component Identification 313036H 9 J E D X B K W F C G L H Q R A S T ti9669a ti11988a ti11987a M ti9368b C1 V ti9346a ti9670a F1 U AA ti9724a N ProLTS Series A shown SG2 SG3...

Страница 44: ...may reduce sprayer performance Fluid supply container follow local code Solvent pails used when flushing follow local code Use only conductive metal pails placed on a grounded surface such as concrete...

Страница 45: ...Trigger the gun to relieve pres sure 4 Engage trigger lock NOTE Leave Prime Spray valve in the PRIME position until you are ready to spray again If you suspect the spray tip or hose is clogged or that...

Страница 46: ...otor could cause fire or explosion To reduce risk of burns fire or explosion do not operate sprayer with cover removed To reduce risk of serious injury including electric shock Do not touch moving or...

Страница 47: ...sure Turn pressure control knob clock wise to increase pressure setting Electric outlet is not providing power Check that lighted plug on sprayer is lit this indicates electric power at outlet Reset b...

Страница 48: ...ayer to Graco MAGNUM autho rized service center Inlet valve check ball or seat is dirty Remove inlet fitting Clean or replace ball and seat Outlet valve check ball is stuck ProLTS 17 and ProLTS 19 Ins...

Страница 49: ...alve is worn or obstructed with debris Take sprayer to Graco MAGNUM authorized service center Pump check ball is stuck Read Pump does not prime sec tion in Troubleshooting page 14 Pump cycles but pain...

Страница 50: ...d stop If pump con tinues to cycle pump valves may be worn Material is too thick Thin material Hose is too long if extra section is added Remove extra section of hose Spray gun stopped spraying Pump i...

Страница 51: ...uts off due to excessive heat Damage can occur if cause is not corrected See Thermal Overload page 10 Vent holes in enclosure are plugged or sprayer is covered Keep vent holes clear of obstructions an...

Страница 52: ...area for several hours 3 Plug sprayer in 4 Turn power switch ON and flush sprayer with water or mineral spirits a Turn on sprayer b Turn prime valve to PRIME position If paint hardened in sprayer Pro...

Страница 53: ...r damaged Check for burn spots gouges and extreme roughness If damaged or if shorts are evident replace motor using Motor Kit page 28 Fuse is blown Find cause for blown fuse before replacing Turn the...

Страница 54: ...ol board wire at power switch 3 Unplug in line connection white cord wire 4 Plug in power cord 5 Turn power switch ON 6 Test voltage between open terminal of power switch and white power cord wire Met...

Страница 55: ...ontrol Board Diagnostics page 27 Replace control board if damaged using Control Board Kit page 28 Building circuit breaker opens as soon as sprayer is plugged into outlet and sprayer is NOT turned on...

Страница 56: ...outlet Check electric supply with volt meter Meter must read 85 to 130V AC If voltage is too high do not use outlet until corrected Also see Basic Electrical Problems and Sprayer Wiring Problems pages...

Страница 57: ...r not heavy enough gauge Replace extension cord See Grounding and Electrical Requirements page 10 Leads from motor or pressure switch to control board are damaged loose pinched or overheated Be sure t...

Страница 58: ...See List of Kits page 28 Specific Problem Cause Solution General Problem Excessive Pressure Build Up Specific Problem Cause Solution Prime Spray Valve actuates automatically relieving pressure throug...

Страница 59: ...place motor 7 Inspect length of both brushes by looking at brush torsion spring If spring is not bottomed out in slot for brush spring brush length is acceptable If brushes are worn out replace motor...

Страница 60: ...e control switch connector from control board Use finger to support control board when removing pressure control switch connector 4 Use ohmmeter to check for no continuity between sprayer ground and b...

Страница 61: ...ressure Control Switch Kit page 28 If motor does not run replace control board repeat test Control Board Kit page 28 Control Board Diagnostics LTS 15 and LTS 17 NOTE Check for motor problems before re...

Страница 62: ...Leg Right 262014 LTS 17 Leg Right 289104 ProLTS 17 ProLTS 19 Motor 16E842 LTS 15 Power Cord includes warning label 16E843 LTS 17 Power Cord includes warning label 244266 LTS 15 Pressure Control Switc...

Страница 63: ...Right 262014 LTS 17 Leg Right 16E842 LTS 15 Series A B C Power Cord includes warning label 16E843 LTS 17 Power Cord includes warning label 244266 LTS 15 Pressure Control Switch 244267 LTS 17 Pressure...

Страница 64: ...P drain tube 2 36 195084 TUBE drain 1 37 197607 TUBE suction 1 38 116295 CLAMP tube 1 39 195400 CLIP spring 2 40 118899 SWITCH rocker spdt 1 41 289680 KIT enclosure LTS 15 includes 1a 41a 41b 1 41a 15...

Страница 65: ...Parts 313036H 31 LTS 15 Model 257060 Series A 1a 1 7 17 14b 32a 32 31 30 16 24 25 23 22 29 38 39 39 37 33 34 35 36 35 26 66 1b 7b 14a 14 7a ti11318a 29b 29a...

Страница 66: ...Parts 32 313036H LTS 15 Model 257060 Series A 68 41 67 41 40 51 44 43 47a 47 41b 41a 71 72 67a 86 67b 70 85 85a 84 ti11319a...

Страница 67: ...board includes 32a 1 32a 115477 SCREW mach torx panhead 6 33 257002 KIT strainer 1 34 244035 DEFLECTOR barbed 1 35 115489 CLAMP drain tube 2 36 195084 TUBE drain 1 37 197607 TUBE suction 1 38 116295...

Страница 68: ...Parts 34 313036H LTS 15 Model 257060 Series B C 29 29c 29b 29a 17 15 30 16 18 31 7a 7b 32 32a 1 1a 37 23 24 25 1b 7 39 33 38 35 34 36 35 22 43 14 ti17271a...

Страница 69: ...Parts 313036H 35 LTS 15 Model 257060 Series B C 44 72 41 40 41b 41a 68 51 47 43 67 85 85a 84 67b 67a 41 86 71 70 47b 41b 47a ti17270b...

Страница 70: ...1 KIT enclosure LTS 17 includes 1a 41a 41b 41c 41d 1 41a 15E072 LABEL identification 1 41b 115477 SCREW mach torx pan hd 4 41c 121481 NUT U type tinnerman 1 41d 120093 SCREW self drilling 1 43 260212...

Страница 71: ...Parts 313036H 37 LTS 17 Model 257065 Series A 25 30 31 32a 16 32 66 14b 29 22 23 24 1a 38 7 7a 1 17 26 33 35 34 35 36 39 62 37 1b 32a 7b 14a 14 ti11320a 29a 29b...

Страница 72: ...Parts 38 313036H LTS 17 Model 257065 Series A 41 41a 41b 71 57 58 68 43 44 40 47a 41c 41d 52 72 53 60 56 51 47 55 54 67 41 86 70 67b 67a 85 85a 84 ti11989a...

Страница 73: ...n 1 37 15T122 TUBE suction 1 38 116295 CLAMP tube 1 39 195400 CLIP spring 1 40 118899 SWITCH rocker spdt 1 41 16E831 KIT enclosure LTS 17 includes 1a 41a 41b 41c 41d 1 41a 15E072 LABEL warning 1 41b 1...

Страница 74: ...Parts 40 313036H LTS 17 Model 257065 Series B C 53 40 44 86 41a 56 41 41c 55 54 60 67b 62 47 41 70 ti11321b 41d 67a 84 41b 67 85 85a 71 43 47a 58 57 68 72 51...

Страница 75: ...Parts 313036H 41 LTS 17 Model 257065 Series B C 36 ti11989a 35 35 34 24 16 38 37 33 1a 7a 18 68 32 43 25 1b 62 32a 30 31 7 7b 17 32a 23 22 29 29b 29a 29c 1 15 14...

Страница 76: ...ach hwhd 10 24 x 5 in 2 46 15J802 SOLENOID COVER 1 47 15J803 SWITCH BRACKET 1 49 194507 DOWEL PIN 5 16 2 50 196001 WASHER 2 51 111600 PIN grooved 1 52 115498 SCREW ground 8 32 x 375 in taptite 1 53 19...

Страница 77: ...ProLTS 19 Models 257070 257080 Series A 45 45d 116 66 45a 44 47 85 59 59a 68 58 52 56 50 49 55 51 39 40 34 32 34 33 30 29 53 31 63b 63 46 62b 67 67c 67b 67a 57 23 110 41 81 45b 45c 85 68a 63a 42 37 6...

Страница 78: ...Parts 44 313036H ProLTS 17 ProLTS 19 Models 257070 257080 Series A 9 3 27 15 12 75 20 81 18 23 83 16 17 28 8 5 25 82 75 8 19 81 21 76 6 4 10 1 7 2 9 22 4 ti9504b...

Страница 79: ...OID COVER 1 47 15J803 SWITCH BRACKET 1 49 194507 DOWEL PIN 5 16 2 50 196001 WASHER 2 51 111600 PIN grooved 1 52 115498 SCREW ground 8 32 x 375 in taptite 1 53 195400 SPRING CLIP 1 55 289107 KIT soleno...

Страница 80: ...S 17 ProLTS 19 Models 24N906 24N808 Series A 45b 45a 45c 45d 85 45 44 47 85 68a 42 46 59 59a 52 58 67 67c 67a 63d 67b 57 23 110 63 63a 63b 31 53 29 32 35 41 30 33 34 62b 62a 62 63c 50 49 55 37 51 39 4...

Страница 81: ...Parts 313036H 47 ProLTS 17 ProLTS 19 Models 24N906 24N808 Series A ti11991b 17 28 16 83 8 82 21 76 6 81 5 1 2 7...

Страница 82: ...s 257060 257065 Series A 7 2 2 7 4 2 7 2 54 02 0 7 2 2 7 2 4 2 0 7 2 2 7 4 7 2 4 2 53 0 7 2 2 2 7 2 33 3 2 5 37 4 02 3352 37 4 Thermal Switch 1 1 When assembling motor to pump housing make sure Therma...

Страница 83: ...iagrams LTS 15 LTS 17 Models 257060 Series B C 257065 Series B WIRING DIAGRAM WHITE BOARDWIRE AUTO PRIME POWERCORD BLACKWIRE POWERCORD WHITEWIRE 10A FUSE POWERCORD GREENWIRE CHASSIS GROUND ON OFF SWIT...

Страница 84: ...Wiring Diagrams 50 313036H ProLTS 17 Models 257070 24N906 Series A ProLTS 19 Models 257080 24N808 Series A 33 3 2 5 7 4 2 37 4 42 2 7 2 2 0 7 2 2 02 3352 37 4 54 02 2 7 4 ti9505a...

Страница 85: ...cm Height N A 29 2 in 74 2 cm Power cord 18 AWG 3 wire 6 ft 1 8 m Fluid inlet fitting 3 4 in internal thread standard garden hose thread Fluid outlet fitting 1 4 NPSM external thread Inlet screen on s...

Страница 86: ...44 45 cm 15 25 in 39 cm Height 36 5 in 92 71 cm 36 75 in 93 cm Dimensions Folded Handle Length 23 25 in 59 05 cm 21 25 in 54 cm Width 17 5 in 44 45 cm 15 25 in 39 cm Height 22 00 in 55 88 cm 30 in 76...

Страница 87: ...48 89 cm 15 25 in 39 cm Height 36 5 in 92 71 cm 36 75 in 93 cm Dimensions Folded Handle Length 23 25 in 59 05 cm 21 25 in 54 cm Width 19 25 in 48 89 cm 15 25 in 39 cm Height 22 00 in 55 88 cm 30 in 7...

Страница 88: ...close 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...

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