Loose the screws on the back to remove the upper cover.
fig. 28: loosening the upper cover
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9
fig. 29: removing the upper cover
Bend the cover around the column, like you did with the mi-
ddle and lower covers,in order to remove it.
fig. 24+25+26: dismantling of expansion
bellows
To remove the upper cover the holders of the expansion bel-
lows on the front and in the back have to be dismantled. .
Now the fastening screws on both sides can be removed as
well.
Attention:
Before removing the fastening screws on both sides, a
second person should secure the upper cover to prevent
it from falling down and causing secondary failures!