f. Push the shaft outwards so the o-rings become visible.
g. Undo the o-rings and replace them with new ones. Mount the new o-
rings well greased.
h. Push the shaft back in its original place.
i. Replace the damper seal on the sieve. Undo the nuts and screws that
are holding the support frame. Replace the seal and mount the frames
with screws and nuts.
j. Remount the sieve on the damper shaft.
k. Remount the arm on the shaft.
l. Remount the screw on the damper shaft.
i