On the ZMZ-402 engine, before removing the filter, drain the oil from it by unscrewing the plug
Unscrew the emergency oil pressure switch at the bottom of the filter
Unscrew the bolt 2 of the tube and the nut 3 of the filter.
Remove filter 1.
Replacing the filter element
Drain the oil from the filter.
Unscrew cap nut 1 and remove filter cover 2.
Remove the washer 1 and the rubber seal of the filter element under it, then remove the filter element 2.
Remove the lower seal 1 of the filter element.
Remove the washer and spring under the bottom seal.
If the spring is cracked or broken, replace the spring
Install the new filter element in the reverse order; when installing, replace the seals of the filter element.
You can also see an article on changing the oil filters of a Gazelle car - Changing the oil and oil filter
The following filter elements are used for these engines: NAMI-VG-10, REGOTMAS-412-1-05 and REGOTMAS-412-1-06.