SERVICE CHECK

Normal Spray Pattern

The proper combination of fluid pressure, fan and atomization air pressure, and fluid tip size should result in a pattern of this shape.

 

 

PROBLEM

 

 

CAUSE

 

CORRECTION

 

Will not spray.

 

No pressure to gun.

Check air and material lines.

 

 

 

 

 

Piston stops moving.

Check CYL air pressure.

 

Improper spray

 

A.

Gun not adjusted properly.

A.

Re-adjust. See “Operation

 

pattern.

 

A, B Material build up on the air

 

Section”.

 

 

 

 

 

 

cap (2)or fluid tip (3).

A, B Clean the air cap or fluid tip.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See “Preventive Maintenance”.

 

 

 

 

 

 

Note

 

 

 

 

 

 

To determine where the material build up is, rotate the air cap 180°and test

 

 

 

 

 

 

 

 

 

spray. If the pattern stays in the same position, the condition is caused by

 

 

 

 

 

material build up on the fluid tip. If the pattern changes with air cap movement,

 

 

 

 

 

the build up is in the air cap.

 

 

 

 

 

 

 

C, D. Wrong material or material

C, D Adjust material pressure or thin

 

 

 

 

 

 

too thick.

 

material.

 

 

 

 

 

 

Insufficient material or

 

Increase material or reduce

 

 

 

 

 

 

atomizing air pressure too

 

atomizing air pressure.

 

 

 

 

 

 

high.

 

 

 

Jerky or fluttering

 

1.

Insufficient material in the tank

1.

Fill tank or clear obstruction.

 

spray.

 

 

or an obstruction in the line.

 

 

 

 

 

 

 

2.

Gun material passage plugged.

2.

Clean.

 

 

 

 

 

3.

Worn Needle Seal Kit (7).

3.

Replace.

 

 

 

 

 

4.

Loose or damaged fluid tip.

4.

Tighten or replace.

 

 

 

 

 

 

 

 

 

 

Air leaking from

 

1.

Damaged or worn Piston Cup

1.

Replace.

 

Adjusting Screw (20).

 

 

(14).

 

 

 

 

 

 

 

2.

Damaged cylinder of Gun Body

2.

Replace.

 

 

 

 

 

 

(6).

 

 

 

Dripping from Fluid

 

1.

Worn or damaged Fluid Tip (2)

1.

Replace.

 

Tip.

 

 

or Needle (12).

 

 

 

 

 

 

 

2.

Needle Spring (18) damaged or

2.

Replace.

 

 

 

 

 

3.

deformed.

 

 

 

Air or fluid leaking

 

Damaged or worn Needle Seal Kit

Replace.

 

from Gun Body (6).

 

(7)

 

 

 

 

 

 

 

 

 

 

 

 

ACCESSORIES

PART NUMBER

DESCRIPTION

SSL-10

Gun Lube (60ml)

42884-214-K5

Cleaning Brush (Kit of 5)

AGA-415

Universal Clamp

GC-100-K48

Gun Cover (Kit of 48)

HD-505

Quick Cleaner (5L)

QMGZ-5200

Solvent Saver (10L)

7

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Image 7
Emerson DA-100 operation manual Accessories, - 7 -, Normal Spray Pattern, Part Number Description