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Fuji Spray MPX-30 - User Manual

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6350
MPX-30 Siphon
FujiSpray®
MPX‐30
ReducedPressureCompressorSprayGun
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6355G
MPX-30 Gravity
UserManual
Page2of13
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Questions and Answers

  • M
    Mark MathewsJul 29, 2025
    What to do if air inlet pressure is too low on Fuji Spray Paint Sprayer?
    • D
      donnarogersJul 29, 2025
      If you're experiencing low air inlet pressure with your Fuji Spray Paint Sprayer, try increasing the air pressure to the gun.
  • P
    Paul SmithAug 4, 2025
    How to prevent paint from drying too fast with Fuji Spray Paint Sprayer?
    • A
      Angela TerryAug 4, 2025
      If your paint is drying too fast when using the Fuji Spray Paint Sprayer, consider adding a retarder to the paint.
  • C
    Cody WashingtonAug 10, 2025
    How to fix no pressure from air supply hose on Fuji Spray Paint Sprayer?
    • A
      Anthony StevensonAug 10, 2025
      To resolve the issue of no pressure from the air supply hose on your Fuji Spray Paint Sprayer, check for air leaks on the hose or adjust to the appropriate pressure.
  • S
    Steven CollinsAug 16, 2025
    What to do if too close to surface with Fuji Spray Paint Sprayer?
    • L
      Laura LongAug 16, 2025
      If you are holding the Fuji Spray Paint Sprayer too close to the surface, keep a distance of 8 inches (20cm) away from the surface.
  • L
    lindseygarciaAug 22, 2025
    How to clean obstructed air passage in lid of cup of Fuji Spray Paint Sprayer?
    • A
      Angie JimenezAug 22, 2025
      If you find that the air passage in the lid of the cup is obstructed on your Fuji Spray Paint Sprayer, clean the obstruction at the pinhole located on the lid of the cup.

Summary

Safety Precautions

Fire and Explosion Hazard

Discusses risks of flammable materials and ignition sources.

Toxic Fluid or Fumes Hazard

Details risks from toxic fluids/fumes and necessary precautions.

Equipment Safety and Warnings

Equipment Misuse Hazard

Highlights dangers from improper use, aimed at preventing injury or death.

California Prop 65 and Hearing Warnings

Addresses California Proposition 65 chemical warnings and hearing protection.

Assembly

Cup Assembly Installation

Instructions for attaching the cup assembly to the spray gun.

Air Supply Setup

Details on connecting the air supply, including regulator and hose recommendations.

Operation

General Operation and Setup

Steps for initial setup, material mixing, and cup filling.

Fluid Control Adjustment

How to adjust fluid flow using the control knob for desired output.

Pressure and Pattern Control

Explains adjustment of air pressure and fan pattern for optimal spraying.

Spraying Technique

Gun Holding and Distance

Guidelines for holding the gun perpendicular and at the correct distance from the surface.

Spraying Motion and Overlap

Instructions on trigger use, pass direction, and overlapping for consistent coverage.

Viscosity and Air Cap Selection

Viscosity Guide

Chart correlating viscosity runout times with appropriate air cap sizes.

Air Cap Set Recommendations

Guidance on selecting air cap sizes for different spray gun feed types.

Finish Problems and Solutions

Orange Peel and Gritty Finish

Addresses issues like rough texture and dry finish, with causes and fixes.

Fish Eyes and Runs;Sags

Covers paint adhesion issues and pooling paint, providing corrective actions.

Troubleshooting Spray Gun Issues

No Paint or Uneven Spray Pattern

Diagnoses and resolves issues with lack of paint flow or inconsistent spray patterns.

Leakage Issues

Explains causes and fixes for paint leaking from the fluid nozzle or needle packing.

Cup Leaks and Trigger Issues

Cup Leaks and Trigger Issues

Addresses leaks from siphon/gravity cups and sluggish trigger operation.

Pattern and Leakage at Nozzle

Covers poor spray patterns, paint leaks at nozzle, and pulsating spray.

Leakage Troubleshooting

Nozzle Leakage Adjustment

Guides on adjusting the needle packing nut for nozzle leaks.

Needle Packing Nut Adjustment

Details on adjusting the needle packing nut for leaks at the nut itself.

General Cleaning Procedures

Cleaning Fluid Passages (Level 1)

Step-by-step guide for basic cleaning of fluid passages.

Advanced Cleaning and Disassembly

Pressure Feed Cleaning

Instructions for cleaning spray guns used with pressure feed systems.

Thorough Cleaning and Disassembly

Details on disassembling and thoroughly cleaning gun components.

Reassembly Instructions

Component Reassembly Steps

Guides on reassembling the spray gun components after cleaning.

Warranty Information

1-Year Limited Warranty Terms

Outlines the terms, conditions, and exclusions of the manufacturer's warranty.

Service and Parts Information

Contact Information for Service and Parts

Provides contact details for obtaining service and replacement parts by region.

Notes

Fuji Spray MPX-30 Specifications

General IconGeneral
BrandFuji Spray
ModelMPX-30
CategoryPaint Sprayer
LanguageEnglish

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