Table of Contents
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Operation, Parts
Electric Airless
Sprayers
For professional use only.
Not approved for use in explosive atmospheres or hazardous locations.
For portable airless spraying of architectural paints and coatings.
190/290/390 PC Classic Models:
3000 psi (207 bar, 20.7 MPa) Maximum Working Pressure
3300 psi (228 bar, 22.8 MPa) Maximum Working Pressure
See page 3 for additional model information.
Important Safety Instructions
Read all warnings and instructions in this manual and related manuals. Be familiar with
the controls and the proper usage of the equipment. Save these instructions.
Gun – 311861 (Contractor/FTx) 312830 (SG3)
Use only genuine Graco replacement parts.
The use of non-Graco replacement parts may void warranty.
Related Manuals
334567E
Pump – 334599
EN
ti25126a
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Table of Contents
Related Manuals for Graco 190 PC Express
Summarization of Contents
Operation, Parts
Important Safety Instructions
Key safety guidelines for operation and maintenance.
Related Manuals
List of associated manuals for specific components like guns.
Warnings
Grounding and Extension Cords
Instructions on proper electrical grounding and safe use of extension cords.
Fire and Explosion Hazard
Precautions against ignition sources and flammable materials.
Skin Injection and Equipment Misuse Hazards
Warnings about high-pressure injection and improper equipment handling.
Electrical, Material, and PPE Hazards
Hazards related to electric shock, material compatibility, and personal protective equipment.
Component Identification
Stand Models Component Identification
Visual identification of parts for stand-mounted sprayers.
Lo-Boy Models Component Identification
Visual identification of parts for Lo-Boy sprayers.
Hi-Boy Models Component Identification
Visual identification of parts for Hi-Boy sprayers.
Pressure Relief Procedure
Trigger Lock Usage
Instructions on engaging and disengaging the trigger lock for safety.
Operation
Spray Tip Installation and Adjustment
Steps for installing and adjusting spray tips for optimal performance.
Spraying Technique
Guidelines for applying paint with the sprayer, including pattern adjustment.
Clearing Tip Clogs
Procedure for resolving spray tip blockages during operation.
Troubleshooting
Mechanical and Fluid Flow Issues
Diagnosing and resolving problems related to pump output and fluid delivery.
Electrical Issues
Troubleshooting guide for electrical faults affecting sprayer operation.
Sprayers Parts
190, 290, 390 Stand Sprayers Parts List
Detailed parts list and reference numbers for stand models.
390 Lo-Boy Sprayer Parts
Overview of parts for 390 Lo-Boy sprayer models.
390 Lo-Boy Sprayer Parts List
Detailed parts list and reference numbers for 390 Lo-Boy models.
190, 290, 390 Hi-Boy Sprayers Parts
Overview of parts for 190, 290, 390 Hi-Boy sprayer models.
190, 290, 390 Hi-Boy Sprayers Parts List
Detailed parts list and reference numbers for Hi-Boy models.
Control Box and Filter
Control and Filter Parts List
Detailed parts list for control box and filter components.
Wiring Diagrams
110/120V Wiring Diagram
Electrical schematic for 110/120V models.
230V Wiring Diagram
Electrical schematic for 230V models.
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