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Graco LTS 15 - User Manual

Graco LTS 15
54 pages
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Repair and Parts
LTS 15, LTS 17, ProLTS 17 and
ProLTS 19 Airless Sprayers
- For portable spray applications of architectural paints and coatings -
LTS 15 & LTS 17 Models ONLY: Use water-based or
mineral spirit-type materials only. Do not use materials
having flash points lower than 70° F (21° 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.
Models 257060, 257065, 257070, 257080,
24N906, 24N808
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 INSTRUCTIONS.
Read all warnings and instructions in this
manual. Save these instructions.
Related Manual
313034
Series A, B, C
Model: 257060
MAGNUM LTS 15
ti11304a
MAGNUM ProLTS 19
Model: 24N808
ti9368b
MAGNUM LTS 17
Model: 257065
ti11305a
Series A, B
Series A
MAGNUM ProLTS 17
Model: 257070
Series A
ti9369a
ti9368a
MAGNUM ProLTS 19
Model: 257080
Series A
ti9369b
MAGNUM ProLTS 17
Series A
Model: 24N906
Visit our website;
http://M
AGNUMLTS.Graco.com
313036N
EN

Table of Contents

Questions and Answers

  • E
    ericcainAug 12, 2025
    Why is my Graco LTS 15 motor not running?
    • C
      Christopher SantosAug 12, 2025
      If your Graco Sprayer's power switch is on, it's plugged in, but the motor isn't running and the pump isn't cycling, here are a few things to check: First, make sure the pressure isn't set to zero by turning the pressure control knob clockwise. Second, ensure the electric outlet is providing power by checking that the lighted plug on the sprayer is lit and reset the building circuit breaker or replace the fuse if needed. Also, inspect the sprayer's electric cord for damage and replace it if necessary. If these steps don't resolve the issue, the motor or control might be damaged, and you should take the sprayer to an authorized service center.
  • R
    Robert CampbellAug 16, 2025
    What to do if my Graco Sprayer pump cycles but doesn't build pressure?
    • M
      Michelle MendezAug 16, 2025
      If your Graco Sprayer pump cycles but doesn't build up pressure, first, ensure the Prime/Spray valve is in the SPRAY position (pointing forward). If that's not the issue, make sure the inlet screen isn't clogged and the suction tube is fully immersed in the fluid. Also, check the suction tube for any cracks or cuts, ensuring the clamp is securely on the hose. Replace the suction tube if it's damaged.
  • G
    gortegaAug 20, 2025
    Why is my Graco LTS 15 dribbling paint?
    • J
      Joseph BonillaAug 20, 2025
      If your Graco Sprayer pump cycles but the paint only dribbles or spurts when the spray gun is triggered, first, slowly turn the pressure control knob clockwise to increase the pressure setting. If the issue persists, the spray tip may be clogged, so unclog it.
  • J
    Jake RomeroAug 25, 2025
    How to fix Graco LTS 15 with poor spray pattern?
    • A
      Allison RogersAug 25, 2025
      If the pressure on your Graco Sprayer is set at maximum, but you can't achieve a good spray pattern, start by checking if the spray tip is clogged. If it is, unclog it. Also, make sure the reversible spray tip isn't in the UNCLOG position; rotate the arrow-shaped handle so it points forward on the gun. Ensure that the inlet screen isn't clogged by cleaning any debris off of it.
  • P
    Pamela RayAug 27, 2025
    Why is paint running down the wall when using my Graco LTS 15 Sprayer?
    • M
      Michael WilliamsAug 27, 2025
      When using your Graco Sprayer, if the paint runs down the wall or sags, the coat is likely going on too thick. Try moving the gun faster, choosing a tip with a smaller hole size or a wider fan, and ensuring the gun is far enough from the surface.
  • C
    christopher30Aug 31, 2025
    Why is my Graco Sprayer not providing adequate coverage?
    • C
      Charles NguyenAug 31, 2025
      When using your Graco Sprayer, if the paint coverage is inadequate, it means the coat is going on too thin. To fix this, move the gun slower, choose a tip with a larger hole size or a narrower fan, and make sure the gun is close enough to the surface.
  • B
    Barbara DavisSep 3, 2025
    Why does my Graco LTS 15 Sprayer motor get hot and shut off?
    • A
      Andrew GraySep 4, 2025
      If your Graco Sprayer's motor is hot, runs intermittently, and shuts off due to excessive heat, make sure the vent holes in the enclosure are not blocked by obstructions or overspray, and ensure the sprayer is open to air. If you're using an extension cord, ensure it's not too long or of insufficient gauge, and replace it if needed. If you're using an electrical generator, it should have a proper voltage regulator and supply 120VAC, 60 Hz, 1500 Watts.
  • M
    Melissa GrahamSep 7, 2025
    How to unlock Graco Sprayer spray gun?
    • N
      Nicholas BruceSep 7, 2025
      To unlock the spray gun on your Graco Sprayer, rotate the trigger safety lever to unlock the trigger lock.

Summary

Important Safety Instructions

General Safety Precautions

Essential safety guidelines for operating the sprayer.

Specifications and Getting Started

Model Specifications Overview

Details on dispense rate, hose length, gun model, and working pressure.

Cart Setup Guide

Step-by-step instructions for setting up the Fold-n-Store cart.

Warnings and Hazards

Grounding and Electrical Safety

Essential information on proper grounding and electric safety precautions.

Operating Hazards

Fire, Explosion, and Injection Hazards

Precautions against fire, explosion, and skin injection injuries.

Additional Safety Precautions

Equipment Misuse and Electric Shock Hazards

Dangers of misuse, electric shock, burns, and moving parts.

Health and Environmental Safety

Toxic Fluids and Personal Protective Equipment

Hazards from toxic fluids/fumes and required protective equipment.

Component Identification

Sprayer Component Descriptions

Detailed list and explanation of sprayer parts and their functions.

Installation Procedures

Electric Requirements and Thermal Overload

Electrical setup, grounding, extension cords, and thermal overload protection.

Sprayer Operation

Operation Controls and Procedures

Trigger lock, pressure relief, and control knob settings.

General Repair Information

Repair Safety and Notices

Important safety guidelines and notices for performing repairs on the sprayer.

Basic Troubleshooting

Motor and Pump Operation Issues

Solutions for motor not running, pump cycling, or not priming.

Spray Performance Troubleshooting

Pressure, Spray Pattern, and Clogging

Troubleshooting low pressure, poor spray patterns, and clogged tips.

Advanced Troubleshooting

Motor and Electrical Problems

Diagnosing and resolving advanced motor and electrical problems.

Motor Diagnostics

Testing Sprayer Motors

Procedures for testing motor resistance, windings, brushes, and armature.

Pressure Control Switch Diagnostics

Testing the Pressure Control Switch

Methods for testing the pressure control switch for continuity and faults.

Control Board and Pump Diagnostics

Testing Control Boards and Pumps

Procedures for diagnosing control board issues and pump leakage.

Parts and Kit Information

List of Kits (Series A)

Catalog of available repair kits and parts for Series A models.

Parts Breakdown

LTS 15 Model 257060 (Series A) Parts

Detailed breakdown and part numbers for the LTS 15 Series A model.

Parts Breakdown

LTS 17 Model 257065 (Series A) Parts

Detailed breakdown and part numbers for the LTS 17 Series A model.

Parts Breakdown

ProLTS 17;19 Models 257070;257080 (Series A) Parts

Detailed breakdown and part numbers for ProLTS 17/19 Series A models.

Parts Breakdown

ProLTS 17;19 Models 24 N906;24 N808 (Series A) Parts

Detailed breakdown and part numbers for ProLTS 17/19 Series A models.

Wiring Diagrams

LTS 15;17 Series A Wiring Diagram

Electrical schematic for LTS 15 and LTS 17 Series A models.

Wiring Diagrams

ProLTS 17;19 Series A Wiring Diagram

Electrical schematic for ProLTS 17 and 19 Series A models.

Technical Data

LTS 15 and LTS 17 Specifications

Performance and dimensional specifications for LTS 15 and LTS 17 models.

Technical Data

ProLTS 17 Specifications

Performance and dimensional specifications for ProLTS 17 models.

Technical Data

ProLTS 19 Specifications

Performance and dimensional specifications for ProLTS 19 models.

Graco Standard Warranty

Warranty Terms and Conditions

Details on Graco's warranty coverage, limitations, and exclusions.

Graco LTS 15 Specifications

General IconGeneral
TypeAirless Paint Sprayer
Max Tip Size0.015 inches
Max Pressure3000 PSI
Hose Length25 ft
Horsepower0.5 hp
Power SourceElectric
Spray Tip Orifice Size0.015 in

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