Drum
89
Remove the screws and remove the outer sealing plate.
137
fig.7358
Cut loose the rear sealing from the inner sealing plate.
Put glue on the inner sealing plate and fasten the new rear sealing on the inner sealing plate.
The rough side shall be fastened to the glue.
138
fig.7359A
Remount the outer sealing plate and fasten the screws.