Ensure the binocular lenses are clean and that the focusing mechanism works. Check the compass to ensure that the magnetic arrow and bezel ring work freely. Ensure that all ogives are tight and that the ammunition is clean. Crew members report when the inspections are finished. As a crew member, place the MK 19 into operation.
Crew members place the gun into operation.
When he arrives at the firing position, he aligns the front tripod legs for direction and, with one quick motion, snaps the trail legs apart. He stamps each leg into the ground. He helps the gunner mount and load the MK 19. The assistant gunner grasps the barrel while the gunner holds the grips. He gives the can to the assistant gunner.