key «at 30» unscrew the bipod mounting nut.
Special puller (see Applications) compress the bipod from the shaft.
If the bipod cannot be removed with a puller, you can try to knock it down with a hammer.
We rest the bipod shaft in a wooden block. heavy hammer (sledgehammer) we press down on one stop of the bipod, and on the second we sharply beat with another hammer.
In some cases, you will have to sacrifice the bipod by cutting it with a cutting tool («grinder»).
The bipod is mounted on the shaft in only one position: in its spline connection there are double cavities, and on the shaft there are double protrusions.