How Do You Load a Grease Gun?

Generally, mostly grease gun can be loaded with cartridge and bulk loading. However, if grease gun is equipped with the filler plug, then, you can use the grease filler pump to fill in the grease.
Below you can find each loading way instruction:
1. Loading with cartridge
(a) Remove the gun head from the container tube.
(b) Draw back the plunger rod entirely
(c) Insert the open-end of cartridge into container tube and push all the way in.
(d) Remove the seal or pull tab end from the cartridge
(e) Reassemble the gun head to container tube.
(f) Release the plunger rod and push into the container tube.

2. Loading with filler plug
(a) Draw back the plunger rod entirely
(b) Operate the filler pump to fill the container tube through filler plug.
(c) Disconnect the grease gun from the filler pump.
(d) Release the plunger rod and push into the container tube.

3. Bulk loading
(a) Remove the gun head from the container tube.
(b) Draw back the plunger rod entirely
(c) Fill the bulk grease into empty container tube
(d) Reassemble the gun head to container tube.
(e) Release the plunger rod and push into the container tube.