This grease coupler has a universal fit and may be used with a variety of grease guns and fittings. The brass body is engraved with the coupler's design, which includes a female thread on one end and a male thread on the other. The female thread fits into the female part of a grease fitting, while the male thread mates with the male part of the fitting.
These couplers are used to connect hoses in order to provide additional length for an extended reach or to connect multiple components together. They offer several advantages over using hose clips; the most important advantage is that they don't leak like clips do. This type of coupling also requires a smaller hole through which to insert the grease gun than does a clip, which allows for less obstruction of your view when working on small engines.
Grease guns need to be refilled periodically as they run out of grease. Using couplers instead of hose clips saves time and energy because you aren't needed to connect and disconnect tubes every time you need more grease.
Couplers come in different sizes and shapes. You can find this particular model at garage sales, estate sales, and thrift stores.
The lever, pistol-grip, hand grip, air-powered, and battery-powered grease guns are the most prevalent. The lever style is the most common and least priced type of grease gun. They work on the principle of a pump action weapon by using pressure from your hand to force grease out through the nozzle.
The pistol-grip style has an elongated handle with a trigger mechanism that looks like the one on a pistol. These guns are more expensive than the lever variety but they are also more durable since you cannot accidentally fire them while working under heavy cover conditions. Air-powered and battery-powered grease guns are other names for electric grease guns. These tools use electricity to heat the grease before it is injected into the socket ring or bolt head. They do not require any maintenance and their batteries can be removed for transport elsewhere. Their only downside is that they cannot inject liquid grease.
Should you get a lever, pistol-grip, air-powered, or battery-powered grease gun? That depends on how much money you want to spend and what type of coverage you need from one tool. If you are a beginning mechanic and don't need to cover very extensive areas, then the lever gun is perfect for you. They are easy to operate and won't cost you an arm and a leg.
Grease guns vary in the amount of grease injected every stroke, ranging from one to three grams or more. The typical amount is about 2 grams.
The maximum pressure that can be built up in a standard grease gun is about 150 psi (10 MPa). At this pressure, the grease will jet about six inches from the nozzle.
The rate at which a grease gun pumps out grease is called its "flow rate". The flow rate of most grease guns is about 1-3 ml/min depending on the size of the hole in the tip of the gun.
When you first start pumping grease into a tube or pipe, a large volume comes out because there is no resistance from the fluid. This initial burst should only last for a few seconds, after which time you should see your flow rate decrease as the hole in the end of the gun gets filled up.
If you keep pumping for too long, however, you will eventually run out of grease. Also, if the pipe becomes air-locked (i.e., no fluid flows), then you will also run out of grease even though you are still pumping.
Grease guns become caught on fittings owing to blocked zerk fittings, which prevent grease from passing through and generate pressure buildup, preventing them from releasing. To get it unstuck, detach the hose or hardline from the pistol, releasing the pressure and allowing it to fall off. Reattach the hose or line, then reattach the nozzle.
If your gun still gets stuck after you've done that, try tapping it against a surface to release any excess grease or powder, then try again.
Also, make sure the fitting is not bent out of shape. If it is, use a pair of pliers to straighten it out before reconnecting the hose or line.
Last but not least, make sure there are no chips or cracks in the plastic housing of the nozzle tip or elsewhere on the gun. These can block the flow of grease or powder and cause similar problems with your gun.
Fixing stuck nozzles is pretty simple if you know what's wrong. First, make sure the hose or line is disconnected from the gun. Then, remove the nozzle assembly by pulling it off of the base. Finally, take the old nozzle out and put the new one on instead.
Nozzles can also get clogged up with dust or debris over time, which will stop them from dispensing properly.
Have you ever modified a grease gun's coupler? Many people just spend $30 on lockNlube, however you can calibrate a grease gun to release and remain on properly. It works well the first time you use a new nozzle and clean gloves. After that, you don't have to bother with it anymore.
Here's how to do it: First, remove the nozzle from the gun. You will need to get a small flat-head screwdriver or similar tool. Place it in between the coupling and the body of the gun so that it touches both surfaces. Now rotate the tool back and forth until the tip of the driver reaches an area where there is no resistance. This indicates that the distance between the two points is correct for your car. Replace the nozzle and test it again to make sure it remains on properly.
You can modify any number of greases guns this way. Just be sure to use nozzles that fit your particular model year vehicle.
If you're lucky enough to have older models that use snap-on couplers, they are not adjustable. They are designed to work with specific sizes of nozzles.
The best way to keep track of what size nozzle you have is to take off the cap when you change batteries or replace one type of fluid with another. The shape of the nozzle itself will also indicate its size.