DeVilbiss HD Series - Advanced Troubleshooting and Solutions; Spray Pattern and Overspray Issues; Leaks and Material Flow Problems

© 2013 Finishing Brands UK Ltd. 15
S $  
IÈ  "
" %
Blocked vent in Cup lid
; %   $    $$ 
V

fluid adjusting knob out or
change
to larger fluid
 / /" $ /
Clean lid and unblock vent
I$    $$  
#"
C

O
@!$$ $ 

ir pressure too high.
Gun too far from work surface.
-
air pressure.
Adjust to
 
distance.
0 $ 

 $ $ 
'

C'O
      % 
A
$
O
     $
O
"  " %  " %
O
-  $$ 
O
Adjust to
 
distance.
S" %  %
O
V
  " 
F
$
C
$% 
use larger nozzle size
O
" "
A

C
 
packing nut
6
A

C
% 

O
-"
O
" "
A

C
 
C
     
C

"  //" 
fluid needle worn or
damaged.
 
C
  
"
nozzle.
"   "
dirty or stuck in needle
packing
V
 
C
$/
"
needle or fluid
 //"
O
-"
"
nozzle and fluid

"
O
"
O
"
Replace
"
nozzle and fluid
"
O
"  
C
 "
A

C
from bottom of cup
 " $ 
C

O
Cup fluid
inlet seat dirty.
T
C'

Clean.
-$  $
C
$
T  
'
"
flow.
Material too thin.
  "   
C
"7 
C



 
too slow.
T 
fluid adjusting knob clockwise
or switch to smaller
"
nozzle

fluid needle size.
N
!
 
"   " "
C'
  $
O
Hold gun at right angle to work and
adapt to
 
gun technique.