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A grease gun can be a handy tool for the home mechanic because car parts often need to be greased to reduce friction and increase the life of the part. A grease gun can inject grease into areas that are difficult to reach. Using a grease gun can be easy once you have taken it apart and loaded it. By doing this, you immediately see how the gun works and you are ready to use it with no further directions.

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Loading by Suction from a Tub of Grease

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      Tips

      • If there is no air relief valve on your grease gun, do not tighten the head completely and push the rod handle several times to prime the gun. You can then tighten the head and proceed.
      • The first time you use your grease gun, create a seal around the rubber plunger assembly by applying a layer of grease around it before inserting it into the gun barrel.
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      Warnings

      • All nozzles, nipples and needles should be cleaned before use to prevent clogs.
      • Grease guns come equipped with several parts such as nipples and needles to get grease into small openings. Caution should be taken when using these attachments, especially the needles, because they can slip and puncture your skin. If grease gets into your skin, it can cause some severe medical problems, such as infections and even gangrene.
      • It is important that the grease being loaded into the grease gun is free of any contaminants, such as lint, dust or metal shavings.
      • Before storing your grease gun, release the air pressure. Store horizontally away from heat and moisture. [4]
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      Things You'll Need

      • Manual grease gun
      • Grease cartridge or tub
      • Gloves
      • Paper towels
      • Stiff paper, cardboard or rags
      • Protective clothing

      About This Article

      Article Summary X

      To use a grease gun, start by pulling back the rod handle and placing a grease cartridge into the gun. Make sure the rim of the cartridge is in contact with the rim of the gun before returning the rod handle to its original position. Then, depress the rod handle to force grease into the head of the gun, which will push the air out. Next, attach the nozzle and connect the gun to the extension hose. Once you're ready, pump the lever handle until the grease begins flowing. For tips on how to load a grease gun from a tub of grease, keep reading!

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      Reader Success Stories

      • Nzuamkende Maseki

        Oct 30, 2020

        "Just bought a new manual grease pump and did not know how to use it. But after reading wikiHow, I can now use it ..." more
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