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PSG-1400 

Rev. 07/24/07

TROUBLESHOOTING

One side of nozzle wing 
is clogged.

prOBLEM

spray pattErN/ 

CONDitiON

A.) Loose air nozzle.
B.) Material around outside of  
 

air nozzle has dried.

A.) Atomization air pressure is set  
 

too high.

B.) Trying to spray a thin material  
 

in too wide a pattern.

Spitting

sOLUtiON

A.) Reduce air pressure.
B.) Increase material control by turning fluid  
 

control screw to left, while reducing spray  

 

width by turning spray width adjustment  

 

screw to right.

Soak­ nozzle in solvent to loosen clog, then blow 
air through until clean. To clean orifices use a 
broom straw or toothpick­. Never try and detach 
dried material with sharp tool.

A.) Tighten air nozzle.
B.) Tak­e off air nozzle and wipe off fluid tip,  
 

using rag moistened with thinner.

A.) Back­ up k­nurled nut, put a few drops of  
 

machine oil on pack­ing, re-tighten nut.

B.) Tak­e off fluid nozzle, clean rear of nozzle and  
 

seat in gun body. Replace nozzle and bring in  

 

tight to body.

C.) Tighten or change out swivel nut.

A.) Pack­ing around needle valve  
 

is dried out.

B.  Fluid nozzle loosely installed,  
 

or dirt between nozzle  

 

and body.

C.) Loose or defective swivel nut  
 

on siphon cup.

Fluid leak­age from  
pack­ing nut.

A.) Pack­ing nut loose.
B.) Pack­ing worn or dry.

A.) Tighten, but not so tight as to grip needle.
B.) Replace pack­ing or lubricate.

Dripping from fluid tip.

A.) Dry pack­ing.
B.) Sluggish needle.
C.) Tight pack­ing nut.
D.) Worn fluid nozzle or needle.

A.) Lubricate.
B.) Lubricate.
C.) Adjust.
D.) For pressure feed, replace with new fluid nozzle  
 

and needle.

Thin, sandy coarse finish.

Thick­, dimpled finish
resembling orange peel.

A.) Gun held too far from surface.
B.) Atomization pressure set  
 

too high.

Gun held too close to surface.

A.) Move gun closer to surface.
B.) Adjust atomization pressure.

Move gun further from surface.

Will not spray.

A.) No air pressure at gun.
B.) Fluid pressure too low with  
 

internal mix cap and  

 

pressure tank­.

C.) Fluid control screw not  
 

open enough.

D.) Fluid too heavy for  
 

suction feed.

A.) Check­ air supply and air lines.
B.) Increase fluid pressure at tank­.
C.) Open fluid control screw.
D.) Thin material or change to pressure feed.

Unable to get round spray.

Fan adjustment screw not  
seating properly.

Clean or replace.

Improper spray pattern.

A.) Gun improperly adjusted.
B.) Dirty air cap.
C.) Fluid tip obstructed.
D.) Sluggish needle.

A.) Readjust gun. Follow instructions carefully.
B.) Clean air cap.
C.) Clean.
D.) Lubricate.

Summary of Contents for PSG-1400

Page 1: ...PSG 1400 Rev 07 24 07 Operating Instructions Warning Information Parts Breakdown psg 1400 Gravity Feed Spray Gun and Cup ...

Page 2: ...levels can cause per ma nent hear ing loss Protect your self from noise Noise levels vary with work sur face Wear ear pro tec tors When possible secure work with clamps or vise so both hands are free to op er ate tool Repetitive work motions awk ward po si tions and ex po sure to vibration can be harm ful to hands and arms Avoid inhaling dust or han dling de bris from work processes which can be h...

Page 3: ...to the spray gun Therefore always mount the oil and water extractor at a point in the air supply system where the compressed air temperature is lowest Drain air lines properly Pitch all air lines back towards the com pres sor so that con densed mois ture will flow back into the air receiver where it can be drained off Each low point in an air line acts as a water trap Such points should be fitted ...

Page 4: ...er ti cal fan shaped pat tern which gives max i mum even ma te ri al coverage as the gun is moved back and forth par al lel to the sur face being fin ished Spray pattern may be in fi nite ly adjusted from round to flat Set atomization pressure at no more than 50 PSI For op ti mum per for mance some ma te ri als may spray better at PSI ratings below 50 If unsure always test at PSI ratings before us...

Page 5: ... outside of the gun 5 Oil gun daily Use a drop of lightweight machine oil on A fluid needle packing B air valve packing C trigger pivot point See Fig 1 for Location of Above Points 6 Caution Do not use lubricants which contain sil i cone Sil i cone may cause defects in the finish ap pli ca tion AIR NOZZLE FLUID NOZZLE AIR VALVE ASSEMBLY 1 All nozzles and needles are made to exact stan dards They s...

Page 6: ...e and body C Loose or defective swivel nut on siphon cup Fluid leakage from packing nut A Packing nut loose B Packing worn or dry A Tighten but not so tight as to grip needle B Replace packing or lubricate Dripping from fluid tip A Dry packing B Sluggish needle C Tight packing nut D Worn fluid nozzle or needle A Lubricate B Lubricate C Adjust D For pressure feed replace with new fluid nozzle and n...

Page 7: ...7 RS1708 RS1709 RS1710 RS1716 1 3 RS1726 RS1733 RS1715 RS1720 RS1714 RS1711 PSG 600CC PSG RS1729AL 1 5 Pack RS9612N 0 RS1717 RS1718 RS1719 Optional Nozzle Kits Available PSG 1400 1 3 9004 1 3 1 3mm PGS 1400 1 4 9004 1 4 1 4mm PSG 1400 1 7 9004 1 7 1 7mm PSG 1400 2 0 9004 2 0 2 0mm Nozzle Kits consist of 1 Air Cap 1 Fluid Needle 1 Fluid Nozzle 1700RK Includes all parts as asterisked on parts diagra...

Page 8: ...or a period of 1 year to the con sum er We will repair any air tool covered under this warranty which proves to be defective in mate rial or work man ship during the warranty period In order to have your tool repaired return the tool to any Cornwell Au tho rized Warranty Center freight pre paid Please include a copy of your proof of pur chase and a brief de scrip tion of the prob lem The tool will...

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