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Graco Ultimate NOVA 395 PC - User Manual

Graco Ultimate NOVA 395 PC
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334466F
EN
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.
Ultra 395 PC, Ultimate NOVA 395 PC, Classic S 395 PC,
Classic S 495 PC, Ultra 395 PC Pro
3300 psi (228 bar, 22.8 MPa) Maximum Working Pressure
Ultra 395 PC Classic, Ultra 495 PC Classic
3000 psi (207 bar, 20.7 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.
Related Manuals
Gun– 311861 (Contractor/FTx) 312830 (SG3) Pump – 334599
ti24762a
Use only genuine Graco replacement parts.
The use of non-Graco replacement parts may void warranty.

Table of Contents

Questions and Answers

  • B
    Brian MartinAug 1, 2025
    What to do if fluid is spitting from my Graco Paint Sprayer?
    • C
      castilloemilyAug 1, 2025
      If the Graco Paint Sprayer is spitting fluid, it might be due to air in the pump or hose. Ensure all fluid connections are tight and cycle the pump slowly during priming. Another potential cause is a partially clogged spray tip; clear the tip to resolve this. Also, check if the fluid supply is low or empty, refill it, and prime the pump, ensuring you check the fluid supply often to prevent the pump from running dry.
  • B
    Betty GriffinAug 6, 2025
    Why is the pump output low on my Graco Ultimate NOVA 395 PC Paint Sprayer?
    • M
      Misty WarrenAug 6, 2025
      If the pump output on your Graco Paint Sprayer is low, start by checking the spray tip for wear and replace it if needed, after relieving the pressure. Ensure the spray tip isn't clogged by relieving the pressure and cleaning it. Also, verify that the paint supply is adequate; refill and reprime the pump if necessary. A clogged intake strainer can also cause low output, so remove, clean, and reinstall it. Additionally, a clogged or dirty fluid filter or tip filter can restrict flow, so clean the filter. Lastly, inspect the intake valve ball and piston ball to ensure they are seating properly. Remove the intake valve and clean it, checking for nicks on the balls and seats, and replace if necessary. Remember to strain paint before using to remove particles that could clog the pump.
  • C
    Cameron OrrAug 16, 2025
    How to fix excessive paint leakage into throat packing nut on Graco Ultimate NOVA 395 PC Paint Sprayer?
    • S
      sespinozaAug 16, 2025
      To address excessive paint leakage into the throat packing nut of your Graco Paint Sprayer, first, remove the throat packing nut spacer and tighten the throat packing nut just enough to stop the leakage. If the throat packings are worn or damaged, replace them. Also, inspect the displacement rod for wear or damage and replace it if necessary.
  • S
    Scott McgrathAug 21, 2025
    What to do if the motor runs but the pump does not stroke on my Graco Ultimate NOVA 395 PC Paint Sprayer?
    • E
      Erin LeeAug 22, 2025
      If the Graco Paint Sprayer motor runs but the pump doesn't stroke, it could be due to a damaged connecting rod assembly; replace it. Alternatively, the gears or drive housing may be damaged; inspect the drive housing assembly and gears for damage and replace if necessary.
  • E
    erin01Aug 27, 2025
    Why does my Graco Paint Sprayer stop after running for a few minutes?
    • T
      Tina MorganAug 27, 2025
      If the Graco Paint Sprayer operates for only 5 to 10 minutes and then stops, the pump packing nut might be too tight. Loosen the pump packing nut and check for leaks around the throat. If necessary, replace the pump packings.
  • D
    Danielle CardenasNov 10, 2025
    What causes low pump output in a Graco Ultimate NOVA 395 PC Paint Sprayer?
    • D
      danielmooreNov 10, 2025
      If the pump output on your Graco Paint Sprayer is low, pump rod damage may be the cause, in that case repair the pump. Low stall pressure can also be a factor; turn the pressure knob fully clockwise, ensuring it's properly installed to allow the full clockwise position. If the problem persists, replace the pressure transducer. Check for worn or damaged piston packings and replace them if necessary. Similarly, inspect the O-ring in the pump for wear or damage and replace it. A material-packed intake valve ball can also cause issues; clean the intake valve. If you're using heavy materials, a large pressure drop in the hose could be the problem; reduce the overall length of the hose. Also, make sure the extension cord is the correct size. Tighten any loose motor brushes and terminals, and rep...

Summary

Operation and Parts Overview

Important Safety Instructions

Essential safety guidelines for operating the sprayer.

Related Manuals

References to other manuals for associated equipment.

Warnings and Hazards

Grounding

Proper grounding procedures to prevent electric shock and sparks.

Extension Cords

Guidelines for selecting and using safe extension cords.

Fire and Explosion Hazard

Precautions to prevent ignition from flammable fumes and static electricity.

Skin Injection Hazard

Warning about high-pressure spray injecting fluid into the body.

Equipment Misuse Hazard

Risks associated with improper operation and handling of the sprayer.

Electric Shock Hazard

Dangers of electric shock due to improper grounding or usage.

Toxic Fluid or Fumes Hazard

Risks of injury from contact with hazardous fluids or fumes.

Personal Protective Equipment

Recommended PPE for safe operation and protection.

Component Identification

Stand Models Components

Identification of parts specific to Stand sprayer models.

Lo-Boy Models Components

Identification of parts specific to Lo-Boy sprayer models.

Hi-Boy Models Components

Identification of parts specific to Hi-Boy sprayer models.

Setup and Procedures

Grounding and Power Requirements

Guidelines for grounding, power needs, and extension cord usage.

Pressure Relief Procedure

Critical steps for safely relieving pressure in the sprayer.

Setup Instructions

Step-by-step guide for assembling and preparing the sprayer.

Startup Instructions

Procedures for starting the sprayer and preparing it for operation.

Sprayer Operation

Spray Tip Installation

How to install the spray tip and associated components.

Digital Display Usage

Explanation of the digital display features and data points.

Cleanup Procedures

Steps for cleaning the sprayer after use for maintenance.

Maintenance and Troubleshooting

Routine Maintenance

Schedule and activities for regular sprayer upkeep.

Mechanical and Fluid Troubleshooting

Diagnosing and resolving issues related to fluid flow and pump performance.

Electrical Troubleshooting

Diagnosing and resolving electrical faults and sprayer control issues.

Sprayer Performance Issues

Troubleshooting steps for when the sprayer does not run or shut off.

Model-Specific Parts Lists

Stand Sprayers Parts List

Detailed list of parts for Stand sprayer models.

395 Lo-Boy Sprayers Parts List

Detailed list of parts for 395 Lo-Boy sprayer models.

Hi-Boy Sprayers Parts List

Detailed list of parts for Hi-Boy sprayer models.

Control Box and Wiring

Control Box Components

Identification and parts list for the sprayer's control box.

Wiring Diagrams

Electrical schematics for 110/120V and 230V sprayer configurations.

Specifications and Support

Technical Specifications

Performance data, dimensions, weight, and noise levels of the sprayers.

Graco Standard Warranty

Terms and conditions of the manufacturer's warranty.

Graco Information

Contact details and website for product support and information.

Graco Ultimate NOVA 395 PC Specifications

General IconGeneral
TypeAirless Paint Sprayer
Max Pressure3300 psi
Flow Rate0.54 GPM
Power SourceElectric
Hose Length50 ft
Maximum Working Pressure3300 psi
Maximum Tip Size0.021 in
Maximum Flow Rate0.54 GPM

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