Anest Iwata WRA-101 Instruction Manual Download Page 7

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How to operate

Suggested air pressure is 3 to 4 bar (43 to 57 PSI).
NOTE:
Valve orifice inside three- way solenoid valve should be minimum

4mm (0.157 in)

and also operating air hose length should be within 10m (32.8ft) with the inner diameter
more than

6mm (0.236in) to

avoid delayed operation and any kind of failure.

Recommended paint viscosity differs according to paint property
and painting conditions. 15 to 23 sec/Ford cup# 4 is recommendable.

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Maintenance

and inspection

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First release air and pressure fully according to item No. 3 of “Improper use of equipment” of WARNING on page 2.

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Tip of fluid needle set has a sharp point. Do not touch the tip of needle valve at the maintenance for protection of the human body.

・

Be careful not to damage the tip of fluid nozzle or must not put your hand on it.

・

Only an experienced person who is fully conversant with the equipment can do maintenance and inspection.

Never use commercial or other parts instead of ANEST IWATA original spare parts.

-Never immerse the whole gun into liquid such as thinner.

-Never soak air cap set in solvent for extended period even if cleaning. It may cause defective pattern.

-Never damage holes of air cap a fluid nozzle and fluid needle.

Step-by-step procedure

Pour remaining paint to another container. Clean fluid passages and air cap set..

Spray a small amount of thinner to clean fluid passages.

1. Incomplete cleaning can fail pattern shape and uniform particles.

Especially clean fully and promptly two-component paint after use.

2. Clean each section with brush soaked with thinner and wipe out with waste cloth.

2. Soaking whole automatic spray gun in solvent may cause automatic spray gun malfunction.

Also soaking air cap set itself for extended period.

When cleaning, never scratch each hole of air cap set and fluid nozzle, and fluid needle set.

3. Before disassembly, fully clean fluid passages.

3. During disassembly, do not scratch seat section.

(1)Disassemble fluid nozzle.

Use ring spanner, box wrench or optional exclusive spanner (code No.035386000)

to disassemble fluid nozzle.

(1)Remove fluid nozzle after removing fluid needle set or while keeping fluid needle pulled,

in order to protect seat section.

(2)Disassemble fluid needle set.

Remove fluid adj. set and pull out fluid needle set from gun body.
Pay attention so that spring does not suddenly fly out since fluid adj. set is strongly
pushed by fluid needle spring and piston spring.

(2)Pull fluid needle set after loosening fluid needle packing set to protect fluid needle packing

set.

Where to inspect

Parts replacement standard

1. Each hole passage of air cap and fluid nozzle

Replace if it is crushed or deformed.

2. Packing and O ring

Replace if it is deformed or worn out.

3. Leakage from seat section between fluid nozzle and fluid needle set

Replace them if leakage does not stop after fully cleaning fluid nozzle and fluid needle set.
If you replace fluid nozzle or fluid needle set only, fully match them and confirm that there is no leakage.

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Parts list

When ordering parts, specify gun’s model, part name with ref. No. and marked No.

of air cap set, fluid nozzle and fluid needle set.

When replacing fluid nozzle or/and fluid needle for pressure feed application,

please order fluid nozzle-needle set.

As LRA –200 is operate at low air pressure, high transfer efficiency will not be obtained
if the spray distance is too far.

NOTE:

Using air hose 12m (39.4ft) long, the inner diameter must be a minimum 8mm (0.315)
so the gun can have the correct air volume to atomize at 0.7 bar (10PSI) inside air cap.

Set the spray distance from the gun to the work piece as near as possible within the range of
100-200mm ( 3.9-7.9in ) with LRA-200.

How to change unions for circulation usage.

1.Remove hex. nut from gun body with 5mm alien wrench.
2. Pull plug out with attached screw as standard accessory.
3.Tighten commercial fitting joint tightly.
4.Connect fluid hose to the joint.

Fluid nozzle –fluid needle set combination

Fluid nozzle

Fluid

needle set

mark

Model

Orifice

mm(in)

Mark

WRA-101

0.8 (0.031)

W101/08