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Finex FX100 - User Manual

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THE SPRAY GUN PEOPLE
FOR PRODUCT INFORMATION CALL:
1-800-742-7731
SHARPE: P.O. Box 1441 Minneapolis, MN 55440-1441
1-800-742-7731, www.sharpe1.com
310746 4/2004, Rev. F 5/2007
Gravity Feed and HVLP Air Spray Guns
*Maximum HVLP Compliant Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Model
Part
No.
Needle/
Nozzle
Size
Maximum
Working Air
Pressure
Recommended
Maximum Inbound
Air Pressure
FX100
Mini-HVLP
248752 1.0
100 psi
(0.7 MPa, 7 bar)
29 psi
(0.20 MPa, 2.0 bar)*
FX200
Conventional
248753 1.4
100 psi
(0.7 MPa, 7 bar)
60 psi
(0.41 MPa, 4.1 bar)248754
1.8
FX300
HVLP
248755 1.3
100 psi
(0.7 MPa, 7 bar)
29 psi
(0.20 MPa, 2.0 bar)*
248756 1.4
248757 1.5
248758 1.8
FIG. 1
21
30
6
A
Setup
1. Install an air pressure regulator on gun air supply line to
control air pressure.
2. Install a shutoff valve downstream of the air regulator to shut
off gun air.
3. Connect a clean, dry, filtered air supply.
4. Connect air supply line to gun air inlet (21). FIG. 1. Connect
other end to shutoff valve.
5. Install fluid filter (29) into fluid inlet (6). Refer to page 6.
6. Screw on gravity cup (30).
7. Remove gravity cup cover (A) and fill cup with solvent to flush
if this is first time using equipment.
Flush Spray Gun
Flush spray gun before using it. Use solvent that is compatible
with gun wetted parts and fluid that will be sprayed. Use lowest
possible pressure, and spray into grounded metal waste
container.
After flushing, follow Pressure Relief Procedure.
Pressure Relief Procedure
1. Turn off gun air supply.
2. Trigger gun into grounded metal waste container.
WARNING
Read warnings, page 2.
WARNING
Follow Pressure Relief Procedure when you stop spraying
and before cleaning, checking, or servicing equipment. Read
warnings, page 2.
II 2 G

Questions and Answers

  • L
    Laura WhiteJul 30, 2025
    What to do if my Finex FX100 is spitting?
    • C
      Chris DiazJul 30, 2025
      Spitting in your Finex Paint Sprayer can occur if air is getting into the paint stream. This may happen if: * The cup is almost empty, so fill the cup. * The needle packing is dry, so loosen the packing seat and put a few drops of machine oil on the packing, then retighten the seat. * The fluid nozzle is too loose, so tighten it. * There is dried material between the nozzle and gun body, so clean the nozzle and front of the gun. * The needle seal is damaged, so replace the seal.
  • D
    Daniel WallaceAug 3, 2025
    Why won't my Finex FX100 spray?
    • J
      joe38Aug 3, 2025
      Your Finex Paint Sprayer might not spray due to several reasons: * There is no air pressure at the gun, so check the air supply and air lines. * The cup is empty, so fill the cup. * The fluid adjustment knob is turned too far to the right, so adjust the knob to the left. * The fluid is too thick for gravity feed, so thin the material.
  • C
    chernandezAug 8, 2025
    How to fix fluid nozzle dripping on Finex FX100 Paint Sprayer?
    • J
      jessicacaldwellAug 8, 2025
      If the fluid nozzle on your Finex Paint Sprayer is dripping, it could be due to: * Dry packing, so lubricate it. * A sluggish needle, so clean and lubricate it. * The packing nut being too tight, so loosen it. * A worn fluid nozzle or needle, so replace them.
  • M
    Megan VelazquezAug 12, 2025
    What to do if fluid is leaking from packing nut on Finex FX100?
    • T
      Tiffany DominguezAug 12, 2025
      If fluid is leaking from the packing nut on your Finex Paint Sprayer, it could be because: * The packing nut is loose, so tighten it, but not so tight as to grip the needle. * The packing is worn or dry, so lubricate or replace it.
  • E
    Erin ConnerAug 16, 2025
    Why does my Finex Paint Sprayer leave a thin, coarse finish?
    • A
      Andrew MorrisAug 16, 2025
      A thin, coarse finish with your Finex Paint Sprayer can result from: * Holding the gun too far from the surface, so hold the gun about 6-8 inches (150-200 mm) from the surface. * The atomization air pressure being set too high, so reduce the air pressure.
  • M
    michaelkelleyAug 20, 2025
    Why is my Finex Paint Sprayer leaving a thick, dimpled finish?
    • H
      huangrobertAug 20, 2025
      A thick, dimpled finish (resembling orange peel) when using your Finex Paint Sprayer is likely because the gun is held too close to the surface. Hold the gun about 6-8 inches (150-200 mm) from the surface.
  • T
    Tiffany BranchAug 26, 2025
    How to clean a dirty air cap on Finex FX100?
    • D
      davismaryAug 26, 2025
      To address a dirty or clogged air cap on your Finex Paint Sprayer, clean the air cap orifices and blow air through the orifices until clean. If the air cap holes are damaged, replace the air cap.

Summary

Important Safety Instructions

Setup

Flush Spray Gun

Flush spray gun before using it. Use solvent that is compatible with gun wetted parts.

Pressure Relief Procedure

Follow Pressure Relief Procedure when you stop spraying and before cleaning, checking, or servicing equipment.

Safety Warnings and Hazards

Hazardous Conditions

Covers fire, explosion, equipment misuse, toxic fluids/fumes, and pressurized equipment hazards.

Personal Protective Equipment

Wear appropriate protective equipment like eyewear, clothing, gloves, and hearing protection.

1 Year Limited Warranty

Spray Pattern Adjustment

Applying Paint

Daily Cleaning and Maintenance

Troubleshooting Guide

Service Procedures

Preparation

Flush and clean gun before servicing. Follow pressure relief procedure before starting.

Air Cap, Nozzle, Needle & Packings Service

Instructions for removing and servicing the air cap, nozzle, needle, and air valve/needle packings.

Technical Data

Parts Identification

Finex FX100 Specifications

General IconGeneral
BrandFinex
ModelFX100
CategoryPaint Sprayer
LanguageEnglish

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