LABEC AA-12BS - Manual (Page 21)

Operation manual
Series Steam Sterilizers
17
9.4. Clean the seal plate periodically.
After using some time , the seal plate might have some scale build-up that might cause leaking.
You should clean the seal plate periodically, using a soft cloth soaked with distilled water to
wipe the rubber seal and the seal plate clean (Fig 9-7 & 9-8). If there is still leaking, you may
need to take the rubber seal out for cleaning. Should the seal be broken, you need to change
with a new one.
Fig 9-7
Fig 9-8
Remark: providing with seal packing collar for life.
9.4.1 Change of the seal
You will need a flat screw driver without a sharp tip. Pay attention about head of the flat
screw driver. The install step according to Fig 9-9.
Caution: Power the machine off and let it cool down before you change the seal and
avoid any burning injuries.
Fig 9-9
1). Hold the edge of the seal with one hand and insert the screw driver beneath the seal with your other hand and
then pull out the seal slowly.
2). Once a section of the seal is out, you may pull the whole seal out slowly with both of your hands.You can now
clean the seal groove and the seal. If the seal is broken or damaged, you must replace it with a new one.
3). After the groove and the seal are cleaned, you may remount the seal back in place
Caution: The seal should be mounted evenly inside the groove with first 4 positioning points in place. You may
use your hand to press the seal in place evenly.
4). Attention: When inserting the seal, the inner edge might evaginate. You may use a screw driver to press the edge
down in the groove.