A grease gun resembles a pump. But unlike a pump, it doesn’t have a suction device to force the grease into the fitting. Instead, the grease, typically a vegetable oil (or whatever lubricant you may like to use), gets pumped into the fitting via the barrel. Some guns also incorporate an expansion port, which allows additional lubricant to be added in a canister without having to open the barrel.
A grease gun can be either hand-driven or air-pumped. A hand-driven gun is more convenient because you can use your own power instead of relying on a battery. However, when you use an air compressor, the operation is much simpler. Air compressors provide a compressed air source that makes it easy to operate. Also, if you have a smaller air compressor than what would be required by a hand-driven gun, you can use a hand-held version of it.
To operate a grease gun, there are some important things to consider. First, you need to set the barrel in such a way that you can shoot straight down the bore. If the bore extends past the forward limit of the barrel, you’ll encounter some problems, mainly from low velocity. This means that the shot won’t be very accurate, unless of course you use a very powerful air compressor. If you want to shoot straight down the bore at a high velocity, you’ll probably need a reciprocating or hydraulic arm.
Grease guns generally have a cylindrical or linear feed mechanism, and a trigger is used to manually load the grease into the barrel. The feed mechanism also determines how the grease gets into the barrel. In its linear mode, the feed moves horizontally, and the trigger is used to manually load the grease into the feed tube. To work properly, the trigger should be pulled for about half a cycle, before the next round is loaded. In its circular mode, the feed moves vertically, and the trigger is used to manually load the grease into the tube after each round.
Another important feature of a good grease gun is its general design. The best grease guns have a variable speed trigger. This feature allows you to set the feeding mechanism to mimic the firing process of a fully-automatic weapon. This means that as the gun spins, the trigger is not used as often, thus greatly extending the overall lifetime of the machine.
It’s also a good idea to get a grease gun with a larger nozzle, as these guns tend to heat up faster than their smaller counterparts. The bigger nozzle helps ensure a consistent amount of lubricant flow, because the nozzle is used as a guide to evenly apply the lubricant throughout the entire barrel. Different guns have different barrel sizes, so it’s important to get one that fits your barrel size. The best guns have a minimum and maximum barrel size, as well as an adjusting knob to simulate a larger or smaller barrel. Some guns even have a ringed or circular dial to regulate the flow of lubricant through the gun.
Finally, make sure your grease guns have a good, strong, and sturdy pistol grip. A weak grip might allow dirt and grime to get past the gun’s seals, resulting in inefficient lubrication and ineffective cleaning. Also, the size and shape of a pistol grip are related to how much friction is allowed to pass through the seals. Larger grips allow more friction to pass through, while a smaller grip restricts more friction.
If you don’t plan to use your grease gun while traveling, it’s probably best to go with a battery-powered model. These models usually come with a rechargeable battery, and they can be recharged from any type of power source, including car batteries. The rechargeable battery is also usually used on hand operated vehicles like golf carts and lawn mowers, so your gun will always be fully charged and ready to go whenever you need it. However, if you do plan to use your greased gun outside a lot, you can opt for a battery-powered model that uses a constant current source, like a motorcycle battery.