|   Upgrading 
Heng Long Tanks 
- Smoke Unit     
A Step By Step Visual Guide     Click 
here for more information on Heng Long 
Tanks.   |    |   
    
    
1. Closeup of a smoke unit. 
Remove by unscrewing 3 screws from underneath the tank. |    
2. The smoke unit connects 
to a socket underneath the main receiver board. | 
                   
3. The switch for the smoke unit is located underneath the tank. Shown top left 
in photo. |     
                    
4. Use only a few drops of 
smoke oil at a time. Too much oil will flood the chamber and render the smoke 
unit inoperable until it dries out. |    
5. Arrangement of pipes 
from smoke unit for a Tiger 1. Cut pipes to size as necessary. |    
6. Arangement of pipes from smoke unit for a M26 Pershing (Snow Leopard). Cut 
pipes to size as necessary. |     
  
7. Note position of smoke unit 
in a Tiger 1. |   |   |   
    
  
  
 
 |  
 
  
   |