Clear Out Clogged Fittings The Original, Made-In-America Grease Buster Reduce downtime and get back to work faster with the Grease Buster! Made in the USA by LockNLube, the Grease Buster uses hydraulic pressure to clean and flush out old, dried grease from plugged-up fittings, pins, shafts, bushings, and joints. The Fastest and Easiest Way to Clear Clogged Fittings! The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. The Original, Made-In-America Grease Buster Merchant Video Add Penetrating Oil Pull out the piston and fill the cylinder by pouring in the penetrating oil of your choice. Push the Piston Back In Once you’ve added the penetrating oil, push the piston back onto the cylinder past the O-rings to hold the penetrating oil inside the tool. Push the Tool Onto The Fitting The jaws of the Grease Buster coupler can be loosened or tightened so that the tool stays on the fitting. Tap the Grease Buster Piston Use small, rapid taps. It’s the vibrations from tapping on the piston that works the solvent into the fitting and dissolves the clog. Hose Extension and Pneumatic Piston Available Grease Buster Hose Extension The 5 in. Hose Extension replaces the installed Grease Buster coupler to reach clogged fittings in tight spaces. Includes a heavy-duty 4-jaw coupler to attach securely to your Zerks. Grease Buster Pneumatic Piston Our pneumatic piston replaces the included Grease Buster piston to take advantage of the added force and vibration of an air hammer. Double O-ring setup for even better performance and durability. Made in the USA.