You may have seen a demonstration on TV or in a magazine where a gun is shown using a jet of grease coming out of the nozzle and shooting a can of oil through the air. The gun looks very realistic, and many homeowners are impressed. It is a powerful tool, but a gun that is used on the air may not be as powerful as you think. A grease gun is a slow-moving, sometimes noisy, and still somewhat dangerous weapon. Here are some basic guidelines for how to use a grease gun safely.
Before cleaning your greasing gun, it is important that you fully understand its proper use. Most grease guns require at least a 10-pound (5-gallon) tank of oil to work properly, and they should be primed prior to usage. If you have a hand-held device that spins rather than being attached to a nozzle, you should only use a small amount of lubricant at first to make sure the device runs smoothly.
Starting your device up is a matter of simply opening the valve and injecting a small amount of grease into the air bleeder. There should be a valve either at the top or near the bottom of the device, indicating which side of the tank to open when adding grease. As you discharge the air bleeder, it will eject a canister and gravity will force the canister down through the feeding tube. A red button or other indicator will indicate the maximum pressure output. Be careful that you do not overload the system, as excess pressure output can cause damage to the air blaster or the priming mechanism.
Once the priming process is complete, you should turn the power off. However, if there are any internal pieces that need to remain in place when the priming process is completed, these should be secured with some kind of fastening device. Check the priming mechanism to ensure that everything is properly in place and functioning. If you are using hand-held grease guns, there are typically four small parts that must all be securely fastened. These pieces include the priming plug, the air locks, the air hose, and the tip. These pieces are secured by a spring that is usually contained within the device.
Next, you should turn on the compressor to begin the inflation process. There are generally two different methods for loading options available. The most common method used with grease guns is to load one end of the compressed air cylinder into the priming plug. Typically, the compressed air is supplied as a single shot using the priming tip.
Alternatively, you may find that a separate nozzle or priming tool is included with the grease gun. The compressed air is then supplied from the same nozzle or tool to the air compressor. This process is performed in much the same manner as the previous example, with one difference – the air hose is extended to accommodate the additional length of the air compressor hose. After ensuring that all of the components are secure, you can then pull the priming plug from the air compressor and install it into the priming chamber. The priming tip is then installed into the nozzle by screwing it into place. You will need to take particular care to ensure that the priming tip is seated tightly into the nozzle as a weakly fitting tip can cause the primer to leak or to fail to ignite.
At this point, you are ready to fire the compressed air hose at the desired distance in order to inflate the barrel and priming tip. With the grease gun primed and the priming tip integrated into the nozzle, the pressure output will be limited by the weight of the priming material and the rate at which the compressed air is flowing through the hose. For maximum pressure output, the hose must be inflated to its maximum capacity using an air compressor that is capable of supplying the maximum pressure output. For best results, you should ensure that you use a high-quality pump as opposed to a cheap air compressor to ensure that you get the best inflation results possible.
There are a number of different pump systems available for use with grease guns. Some of these pumps are powered electrically and others are powered mechanically. If you plan to use a manual pump, the easiest way to go about powering it up is to use a power drill. Once the pump is powered up, you can then use an air compressor to pump the compressed air into the hose and inflate it. Alternatively, you can use an air compressor that runs on batteries. The pump system that you use needs to have a means of infusing air into the gun whilst it is not being used, which allows you to keep the pump running at maximum efficiency while you are working.