Lumina PR-40 User manual

PR-40 Maintenance Manual

Air Cap

Liquid Nozzle

Main Unit

Piston Set

Spring

Liquid Volume Adjuster

Parts StructureContent

Daily Cleaning

1.Remove air cap

2. Wipe out the top of liquid nozzle with duster

Soaked in solvent

Duster

No Dipping whole spray gun in solvent.

O-rings and packings will be broken.

Toothbrush

Cotton swab etc.

3. Clean the air cap in solvent

Use soft tool like as toothbrush

MK-3型

Needle Packing

Set Screw

PR-40 Spanner

Spanner

Holder (ø12)

Periodic Disassemble and Cleaning

•For disassembling make sure to use

“Lumina”spanner.

•Remove Piston set prior to Liquid nozzle,

and it prevents the damage of liquid nozzle.

Do not use pliers or other tools at disassembling.

It will hurt liquid nozzle and cause malfunction.

Apply Grease after cleaning each parts

1. Grease Shaft

2.Grease

Y-Ring

Piston Set 3. Grease Around the wall of piston chamber

4. Grease

Inner O-Ring.

Remove this Y-Ring at cleaning.

This Y-Ring is easy to be damaged.

Be care for the direction of Y-Ring.

Flare part should be forward.

Attention at cleaning

Adhered paint will cause liquid leak or spray intermittent.

Clean this pat intensively.

Surface of hole inside

Surface of the end of liquid nozzle

Plug

Clean hole inside after removing Plug.

Parts Exchange

Liquid Nozzle, Needle, and Packings are Consumables.

If liquid leak from the top of the nozzle were occurred,

Replace these parts with new one.

Liquid nozzle and needle (or Piston Set) should be

replaced all together.

Exchange Packings

1. Remove the set screw with flathead screwdriver.

And you will find a needle packing fixed in the hole.

2. Don’t tighten the set screw too much.

It will press the needle packing inside too much.

Pressed needle packing will stop the piston move.

Produced by Fuso Seiki Co.,Ltd.

Tokyo, Japan

August 2019

Liquid Nozzle

Needle Packing

Set Screw

Needle

Y-Ring

(for Piston)

Set Screw is including

2 pieces of P-3 O-Ring and

1 piece of P-9 O-Ring.

P-3 P-3

P-9

Be careful for the direction of needle packing.

The pointed one should be forward (Nozzle side).

Flathead screwdriver

Nozzle side ← Piston side

Needle Packing

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