Table of Contents
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Repair
Magnum LTS 15, LTS 17, and ProLTS 19
Airless Sprayer
- For portable spray applications of architectural paints and coatings -
Models 16W120, 16W121, 16W122
IMPORTANT SAFETY INSTRUCTIONS
Read all warnings and instructions in this manual.
Save these instructions.
See page 3 for model series information including
dispense rate, recommended hose length, guns, and
maximum working pressure.
ti11304b
Magnum LTS 15
Model: 16W120
Series A
LTS 15 and LTS 17 ONLY: Use water-based or min-
eral spirit-type materials only. Do not use materials
having flash points lower than 100° F (38° C). This
includes, but is not limited to, acetone, xylene, toluene,
or naptha. For more information about your material,
request MSDS from distributor or retailer.
ti11305b
Magnum LTS 17
Model: 16W121
Series A
332695C
ti16976a
Magnum ProLTS 19
Model: 16W122
Series A
EN
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Table of Contents
Troubleshooting
Related Manuals for Graco Magnum LTS 15
Summary of Contents for Graco Magnum LTS 15
- Page 1 Repair Magnum LTS 15, LTS 17, and ProLTS 19 332695C Airless Sprayer - For portable spray applications of architectural paints and coatings - Models 16W120, 16W121, 16W122 IMPORTANT SAFETY INSTRUCTIONS Read all warnings and instructions in this manual. LTS 15 and LTS 17 ONLY: Use water-based or min- Save these instructions.
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Page 2: Table Of Contents
Grounding and Electrical Requirements ..12 Magnum LTS 15 Pump ....32 Thermal Overload ..... . . 12 Parts List . -
Page 3: Specifications
Pressure Model Name Series Rate lpm Diameter Model (gpm) 1.02 lpm 6.4 mm x 7.5 m Magnum LTS 15 3000 (0.27 gpm) (1/4 in. x 25 ft) 1.17 lpm 6.4 mm x 7.5 m Magnum LTS 17 3000 (0.31 gpm) (1/4 in. -
Page 4: Warnings
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion 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 or on warning labels, 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. - Page 5 • Check hoses and parts for signs of damage. Replace any damaged hoses or parts. • This system is capable of producing 3000 psi. Use Graco replacement parts or accessories that are rated a minimum of 3000 psi. • Always engage the trigger lock when not spraying. Verify the trigger lock is functioning properly.
- Page 6 Warnings WARNING WARNING WARNING WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
- Page 7 Warnings WARNING WARNING WARNING WARNING 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. •...
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Page 8: Component Identification Lts 15
Component Identification LTS 15 Component Identification LTS 15 Airless spray gun Dispenses fluid. Power switch Turns sprayer ON and OFF. Pressure control knob Increases (clockwise) and decreases (counter-clockwise) fluid pressure in pump, hose, and spray gun. Setting Indicator To select function, align symbol on pressure control knob with setting indicator, page 13. - Page 9 Component Identification LTS 15 Component Identification LTS 15 ti22169b 332695C...
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Page 10: Component Identification Lts 17 And Prolts 19
Component Identification LTS 17 and ProLTS 19 Component Identification LTS 17 and ProLTS 19 Airless spray gun Dispenses fluid. Power switch Turns sprayer ON and OFF. Pressure control knob Increases (clockwise) and decreases (counter-clockwise) fluid pressure in pump, hose, and spray gun. Setting Indicator To select function, align symbol on pressure control knob with setting indicator, page 13. - Page 11 Component Identification LTS 17 and ProLTS 19 Component Identification LTS 17 and ProLTS 19 (ProLTS 19 shown) ti9346a ti22462a ti22077a ti9670a ti22170c ti9669 ti22177a ti22176a 332695C...
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Page 12: Grounding And Electrical Requirements
Grounding and Electrical Requirements Grounding and Electrical Requirements Fluid supply container: follow local code. Solvent pails used when flushing: follow local code. Use only conductive metal pails, placed on a grounded Sprayer must be grounded. Grounding reduces the risk surface such as concrete. Do not place the pail on a of static and electric shock by providing an escape wire nonconductive surface, such as paper or cardboard, for electrical current due to static build up or in the event... -
Page 13: Operation
Operation Operation See Operation manual for basic information on sprayer 2. Move Prime/Spray valve to PRIME to relieve pres- setup, flushing, and storage. sure. Trigger Lock Always engage the trigger lock when you stop spraying to prevent the gun from being triggered accidentally by hand or if dropped or bumped. -
Page 14: General Repair Information
General Repair Information General Repair Information Flammable materials spilled on hot, bare, motor could To reduce risk of serious injury, including electric shock: cause fire or explosion. To reduce risk of burns, fire or • Do not touch moving or electric parts with fingers or explosion, do not operate sprayer with cover tools while testing repair. -
Page 15: Basic Troubleshooting
Basic Troubleshooting Basic Troubleshooting Check everything in this Basic Troubleshooting table before you bring the sprayer to a Graco/M authorized AGNUM service center. Problem Cause Solution Power switch is on and sprayer is Pressure is set at zero pressure. Turn pressure control knob clockwise plugged in, but motor does not run, to increase pressure setting. - Page 16 Turn power switch ON and listen for “tap” in pump. If you do not hear “tap”, AutoPrime is dam- aged. Take sprayer to Graco/M authorized service center. Inlet valve check ball or seat is dirty Remove inlet fitting. Clean or replace or worn.
- Page 17 Tighten suction tube connection. Inspect for cracks or vacuum leaks. If cracked or damaged, replace suction tube. Prime/Spray Valve is worn or Take sprayer to Graco/M AGNUM obstructed with debris. authorized service center. Pump check ball is stuck. Read Pump does not prime section in Basic Troubleshooting, page 15.
- Page 18 Basic Troubleshooting Problem Cause Solution Pressure is set at maximum but can- Reversible spray tip is in UNCLOG Rotate arrow-shaped handle on not achieve a good spray pattern. position. spray tip so it points forward in SPRAY position, see Operation manual.
- Page 19 Basic Troubleshooting Problem Cause Solution Fan pattern varies dramatically while Pressure control switch is worn and Take sprayer to Graco/M AGNUM spraying. causing excessive pressure varia- authorized service center. tion. Sprayer does not turn on promptly when resuming spraying. Cannot trigger spray gun.
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Page 20: Advanced Troubleshooting
Advanced Troubleshooting Advanced Troubleshooting See Basic Troubleshooting first, page 15 for problems that are more easily remedied. Motor Does Not Operate Specific Problem Cause Solution Basic mechanical problems. Paint is frozen or hardened in See Basic Troubleshooting, page 15. pump. Gears are damaged. - Page 21 Advanced Troubleshooting Specific Problem Cause Solution Basic electrical problems. Motor overheated. Allow motor to cool for 45 minutes. Retry. Electrical outlet is damaged. Reset building circuit breaker or replace fuse. Try another outlet. Check electric supply with volt meter. Meter must read 220/240 VAC.
- Page 22 Advanced Troubleshooting Specific Problem Cause Solution Sprayer wiring problems. Sprayer power cord damaged. 1. Unplug sprayer power cord. 2. Disconnect brown and blue power cord wires NOTE: Remove enclosure at EMI filter. mounting screws and pull 3. Plug in power cord. enclosure away from drive housing.
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Page 23: Circuit Breaker Is Tripping
Advanced Troubleshooting Circuit Breaker is Tripping Specific Problem Cause Solution Building circuit breaker opens Sprayer electrical wiring is Repair or replace any damaged wiring or as soon as sprayer is turned pinched or insulation is terminals. Securely reconnect wires. damaged. Wires between pressure control switch and control board are pinched. -
Page 24: Erratic Motor Operation
Advanced Troubleshooting Erratic Motor Operation Specific Problem Cause Solution Sprayer quits after running for Building circuit is overloaded. Remove other loads from building circuit or find 5 to 10 minutes. another circuit that has less load. See Grounding and Electrical Requirements, page 12. Electrical outlet supplying Try another outlet. -
Page 25: Low Or Fluctuating Output
Advanced Troubleshooting Low or Fluctuating Output Specific Problem Cause Solution Pump cycles, but output is low or See Basic Troubleshooting, surging. page 15. Worn or obstructed inlet and Check for worn pump valves as follows: outlet valves. Prime sprayer with paint. Turn the Prime/Spray valve to SPRAY position. -
Page 26: Excessive Pressure Build Up
Advanced Troubleshooting Specific Problem Cause Solution Motor runs and pump cycles, but Intake valve or outlet valve is not Remove and clean inlet valves and outlet valves. pressure does not build up. seating properly. Replace if necessary. See List of Kits, page 30. Pump packings are worn or Check for leaking around pump. -
Page 27: Motor Diagnostics
Motor Diagnostics Motor Diagnostics LTS 15 and LTS 17 ProLTS 19 Motor Diagnostics reveal a damaged motor or if motor Check for electrical continuity in motor armature, brushes are shorter than 1/4 in. (6.4 mm) replace the windings and brush as follows: motor using Motor Kit. -
Page 28: Pressure Control Switch Diagnostics
Pressure Control Switch Diagnostics Pressure Control Switch Pump Diagnostics Diagnostics NOTICE When repairing or cleaning the pump, never submerge 1. Unplug power cord and Relieve Pressure. See pump in water or allow fluid to enter pressure control. Pressure Relief Procedure, page 13. 2. -
Page 29: Control Board Diagnostics
Control Board Diagnostics Control Board Diagnostics ProLTS 19 LTS 15 and LTS 17 NOTE: Check for motor problems before replacing con- NOTE: Check for motor problems before replacing con- trol board. A damaged motor may burn out a good con- trol board. -
Page 30: List Of Kits
List of Kits List of Kits Kit Number Models Kit Description 16G223 LTS 15 and LTS 17 Control Board Kit 16W944 ProLTS 19 Control Board Kit 122893 ProLTS 19 Fuse 16W949 LTS 15 Enclosure Kit 16W950 LTS 17 Enclosure Kit 16W942 ProLTS 19 Enclosure Kit... -
Page 31: Notes
Notes Notes 332695C... -
Page 32: Parts
Parts Parts Magnum LTS 15 Pump Model 16W120 ti22519a 332695C... -
Page 33: Parts List
Parts Parts List Magnum LTS 15 Model 16W120 Ref. Part Description Qty. Ref. Part Description Qty. 16F635 LABEL, control, Magnum 16G227 KIT, repair, pump, complete (includes 1a, 1b, 1c, 1d, 1e, 1f, 72) 195400 CLIP, spring 235014 KIT, replacement, valve, drain... -
Page 34: Magnum Lts 15 Frame
Parts Magnum LTS 15 Frame Model 16W120 ti22520a 332695C... -
Page 35: Parts List
Parts Parts List Magnum LTS 15 Model 16W120 Ref. Part Description Qty. Ref. Part Description Qty. 247339 HOSE, cpld, 1/4 in. x 25 ft 112689 SCREW, button HD 243011 GUN, spray, SG2 16D682 FRAME 102040 NUT, lock, hex 16W949 KIT, repair, enclosure, LTS 15... -
Page 36: Magnum Lts 17 Pump
Parts Magnum LTS 17 Pump Model 16W121 ti17724c 332695C... -
Page 37: Parts List
Parts Parts List Magnum LTS 17 Model 16W121 Ref. Part Description Qty. Ref. Part Description Qty. 195400 CLIP, spring 16G227 KIT, repair, pump, complete (includes 1a, 1b, 1c, 1d, 1e, 1f, 72) 195697 STRAINER 235014 KIT, replacement, valve, drain 244035 DEFLECTOR, barbed 24E578 BASE, valve 16W319 COVER, gear 111600 PIN, grooved... -
Page 38: Magnum Lts 17 Frame
Parts Magnum LTS 17 Frame Model 16W121 11 11 ti22522a 332695C... -
Page 39: Parts List
Parts Parts List Magnum LTS 17 Model 16W121 Ref. Part Description Qty. Ref. Part Description Qty. 16H354 HANDLE, cart 112689 SCREW, button hd 115480 KNOB, t-handle 16D683 FRAME 16H350 RACK, hose 16W950 KIT, repair, enclosure, LTS 17 (includes 11, 17, 28, 62) 120689 NUT, hex, acorn, 5/16-18, nickel 115477 SCREW, mach, torx pan hd 121481 NUT, u-type, tinnerman... -
Page 40: Magnum Prolts 19 Pump
Parts Magnum ProLTS 19 Pump Model 16W122 ti22196c 332695C... -
Page 41: Parts List
Parts Parts List Magnum ProLTS 19 Model 16W122 Ref. Part Description Qty. Ref. Part Description Qty. 115478 SCREW, mach, torx/slt pan hd 16D576 LABEL,made in USA 243012 GUN, spray, SG3 195697 STRAINER 121939 SCREW, plastite, #8 hex wash hd 16H348 TUBE, suction, intake 115489 CLAMP, drain tube... -
Page 42: Magnum Prolts 19 Frame
Parts Magnum ProLTS 19 Frame Model 16W122 ti22490a 332695C... -
Page 43: Parts List
Parts Parts List Magnum ProLTS 19 Model 16W122 Ref. Part Description Qty. Ref. Part Description Qty. 112612 CAP, hub 262014 KIT, repair, right leg (includes 43) 120689 NUT, hex, acorn, 5/16-18, nickel 262012 KIT, repair, left leg (includes 43) 115095 WHEEL, 9 in. 15R602 AXLE, cart 260212 SCREW, hex washer, hd, thd form 16W200 SHELF, motor... -
Page 44: Wiring Diagrams
Wiring Diagrams Wiring Diagrams Magnum LTS 15 and LTS 17 Models 16W120 and 16W121 Power Cord Power Cord Brown Wire Blue Wire Power Cord Green Wire ON/OFF Switch Pressure Control Ref. EMI Filter Ferrite Harness Black Motor Lead with White Heat Shrink... -
Page 45: Magnum Prolts 19
Wiring Diagrams Magnum ProLTS 19 Model 16W122 Power Switch Brown Wire Motor AutoPrime Blue Wire Brown Wire Pressure Control Green/Yellow Wire ti22243b 332695C... -
Page 46: Technical Data
Technical Data Technical Data LTS 15 LTS 17 ProLTS 19 Working pressure range 0-207 BAR, 0-21 Mpa (0-3000 psi) Electric Motor 4.5A (open frame, universal) 6.5A (open frame, permanent magnet DC) Operating horsepower Maximum delivery (with tip) 1.02 lpm (.27 gpm) 1.17 lpm (.31 gpm) 1.44 lpm (.38 gpm) Paint hose... -
Page 47: Notes
Notes Notes 332695C... -
Page 48: Graco Standard Warranty
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.
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