DeVilbiss Compact HVLP, Operation Manual

© 2005 ITW Finishing Systems and Products 

7 

clean and free from damage. Build 
up of dried paint can distort the 
spray pattern. 

6.  Lubrication – stud/screw (6), needle 

(9) and air valve (11) should be 
oiled each day. 

Replacement of Parts

E

E

Nozzle (2) and Needle (9) – 

Remove 

parts in the following order: 7, 8, 9, 1 
and 2. Replace any worn or damaged 
parts and re-assemble in reverse order. 
Recommended tightening torque for 
nozzle (2) 9.5-12 Nm (80-100 lbf in).  

 
Packing – 

Remove parts  7, 8, 9. 

Unscrew cartridge (4). Fit new cartridge 
finger tight. Re-assemble parts 9, 8, 
and 7 and tighten cartridge (4) with 
spanner sufficient to seal but to allow 
free movement of needle. Lubricate 
with gun oil. 
 

Air Valve Seal Kit (16) -  (Refer to 
photos 1 to 28 and fig 2)  

 
1.  Remove Adjusting Knob (7), Spring 

(8), and Needle (9). 

2.  Loosen Housing (10). 
3.  Remove Housing (10) and Airvalve 

Spring. 

4. Remove Valve (11). 
5.  Using Service Tool SPN-7, engage 

groove behind the Valve Seat. 

6. Remove Valve Seat. 
7.  Push out the Front Airvalve Seal 

with a finger. 

8.  Turn the Gun upside down and let 

the Seal fall out. 

9.  Fit New Front Seal to Service Tool.  

10. Fit new Seal to gunbody and press 

firmly to ensure Seal is engaged. 

11. Fit New Valve Seat to Service Tool. 

Groove must face outwards. 

12. Fit Valve Seat to Gunbody. 
13. Remove Rear Airvalve Seal from 

housing (10) with a hooked 
instrument. 

14. Fit new Seal to Service Tool. 
15. Fit Seal to Housing (10). 
16. Replace Valve (11). 
17. Replace Valve Spring and screw in 

Housing (10). 

18. Tighten Housing. 
19. Fit Needle (9). 
20. Fit Spring (8) and Knob (7). 
21. Adjust Needle Packing (4) with 

Spanner sufficient to seal but to 
allow free movement of needle. 
Lubricate with gun oil. 

Spreader valve (5) – Caution: 

always 

ensure that the valve is in the fully open 
position by turning screw fully counter-
clockwise before fitting to body. 
 

Air cap / Nozzle Selection 

Refer to coating material manufacturers 
recommendations or ITW Finishing UK  
Website: 
 

www.itweuropeanfinishing.com

FIG 2