It is necessary to replace the oil filter according to instructions of the maintenance instruction or at each repair of the engine. For filter removal it is necessary to use a special key (fig. 95
) which can be got in shop of autospare parts, or to punch an edge of a screw-driver a lateral face of the filter and, using the handle as the lever, to turn away the filter.
Instructions on filter installation are resulted on a filter label. On a flange to establish always a new sealing ring, slightly having greased it. The new filter should be fixed at installation manually. In summary to check up oil level in the engine and if necessary to finish it to the normal.