USING PROFESSIONAL FOAM GUNS


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Key. 1: Nozzle Cap, 2: Barrel. 3: Adapter. 4: Gasket Nut. 5: Needle (inside barrel). 6: Trigger. 7: Flow Adjustment Screw. 8: Handle.


1. Before operating the gun, ensure that the gasket nut (fig. 4) is firmly tightened, but not overtightened.


2. The flow of foam is controlled with the trigger and delivery rate is increased or decreased using the flow adjustment screw (fig. 7). If the adjustment screw is turned tight it will lock the trigger and there will be no flow. Do not loosen the adjustment screw by more than 3 turns.


3. Shake the foam can vigorously prior to use.


4. Hold the can upright (valve at the top) and attach the foam gun to the screw adaptor (fig. 3). Do not invert the can during this operation as this will cause foam to leak from the valve.


5. The gun is now ready for use. Use with the can uppermost and as close to vertical as is practicable, failure to do this may lead to poor foam flow and excessive propellant discharge.


6. When changing the can, shake the new can vigorously before attaching. Hold the can upright, unscrew the old can and quickly replace with the new one.


7. When you have finished using the foam (and within 30 minutes of the last use), unscrew the foam gun as detailed above and attach a can of Bond It Gun Foam Solvent Cleaner (BDCF1, page 25).


8. Hold the gun with the can uppermost and press the trigger to work the cleaner through the barrel to clean out any unused foam. Thoroughly check to ensure all the foam is cleaned out of the gun. Once cleaned, remove the can of cleaner.


9. If the gasket nut (fig. 4) loosens, foam will leak out of the gun at this place. If this occurs, and before the foam hardens, clean the gun thoroughly with Gun Foam Solvent Cleaner and then tighten the gasket nut. Do not overtighten as this may cause damage to the gun itself.


10. Hardened PU foam can only be removed mechanically with, for example, a knife or wire brush. If the gun becomes blocked with cured foam it will need stripping, cleaning (mechanically as described) and rebuilding. If in doubt, please contact our technical team who will gladly provide you with details of the correct procedure to be followed.


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APPENDICES: Foam Guns


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