Friday, November 1, 2013
How to Insert Grease Into a Gun
Grease guns are important to the everyday maintenance of automobiles, farm equipment, and other shop equipment. Grease fittings are inserted into automobile steering components, ball joints, driveshafts, and other components that need periodic lubrication. The grease fitting directs grease to all the necessary components without removing the components and applying grease with a brush or by hand as they did in the old days. Modern grease guns use a cartridge to load grease into the gun. The old ones required that the grease be packed into the guns cylinder using a spoon, fingers or a stick.
Instructions
- 1
Spray the entire grease gun with brake cleaner and wipe it down with shop rags to clean the dirt from the grease gun. This prevents dirt and contaminants from entering the gun and accidentally getting injected into a part that needs lubricating.
2Pull the T-handle all the way out of the bottom end of the cylinder and slide it to one side to lock it into a groove that holds the spring loaded T-handle out of the cylinder while the new cartridge is being loaded.
3Move the pump handle out, away from the gun and thread the top of the gun, that includes the pump handle, off the gun by rotating it counterclockwise, viewing from the nozzle. The gun should now be in two pieces, the pump handle assembly and the cylinder assembly.
4Pull the old grease cartridge from the grease guns cylinder, the cylinder is the metal tube with the spring loaded T-handle out the end. The old grease cartridge looks like it is part of the cylinder but it is not. There is a metal lip at the threaded end of the cylinder that can be griped with pliers and pulled out.
5Remove the plastic cap from the bottom of a new sealed grease cartridge, and slide it into the cylinder. The cartridge must be inserted slowly to allow the cartridge to displace the air in the cylinder. Remember the spring loaded T-handle must be pulled out of the cylinder to install a new cartridge.
6Pull the "soda-can-like-tab" off the top of the newly installed grease cartridge installed into the cylinder.
7Thread the top handle assembly back onto the cylinder assembly by rotating it clockwise onto the cylinder threads, viewing from the nozzle end.
8Slide the spring loaded T-handle out of the holding grove and push it back into the cylinder.
9Position the guns nozzle straight up, pump the handle until the air is removed from the gun and grease begins to pump flow out of the nozzle. If no grease comes out after prolonged pumping, Loosen and re-tighten the bleed-valve screw in the pump handle assembly near where the nozzle screws into the threaded cap to release the trapped air. Most bleed screws use a screwdriver to loosen, some may use a hex head.
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