600ml pneumatic gun/air caulking gun

600 ml pneumatic gun caulking tools,manual caulking gun DescriptionCG-600-1-1 Cartridge: 600ml(1:1) Weight: 1.08kg/piece Material: Aluminium Body Iron handle Packing 5pcs/carton Inner packing: 535mm×220mm×75mm Outer packing: 385mm×550mm×235mm There are 3 strong points of our plastic caulking guns: 1 Low cost: life duration is 5 times more than iron caulking gun. 2 High-efficiency: The force is up to 270kg-300kg and save your strength 5 times more than common iron caulking gun. 3 Brand image: Not only perfect services for the high-quality adhesive, but also high- quality concerned tools, our products designed for it. Features The force is up to 270kg 300kg and save your strength 5 times more than common Iron Caulking Gun. Brake Release Push the brake handle forward to release the drive rod and to remove the piston pressure. Cleaning & Maintenance It is very important to keep the drive rod clean and to oil it frequently in order to ensure a better function. Recover the Movement of the Piston Symptom: Back-lash of the brake Remedy: Turn the adjusting screw clockwise the whole way down until the drive rod can be moved back and forth. To eliminate the back-lash, which may occur after many operations, follow the instructions below: Turn the adjusting screw counter-clockwise until the drive rod can be exactly moved back and forth.