IKA C 5000 control Package 2/12 - Manual (Page 99)

IKA  -WERKE C 5000 control/duo-control Ver. 10 04.07
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If it should become necessary to replace the O
2
filling piston (item 2), proceed as
follows:
c
Loosen the screws (item 6) with a blade-screwdriver.
d
Remove the centering ring (item 7) together with the filling head (item 5), the pres-
sure spring (item 3) and the piston (item 2)
Caution: The seals (item 4 and item 8) are free
e
Push the pressure spring (item 3) onto the new piston and insert both parts into the
filling head. The remainder of the assembly takes place in the opposite order.
Caution: During reassembly, make certain the filling head is in the
correct position (item 5). The seals (item 4 and item 8) should
be aligned on the opposite side of the inner cover.
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If a leak is detected while filling the decomposition vessel with oxygen, the O
2
seal
on the filling piston must be replaced:
• Remove the decomposition vessel from the measurement cell.
• Activate the 2 VHDO menu item from the 0DLQWHQDQFH menu to extend the pis-
ton.
• Remove the small orange seal from the extended piston (see Section 13.3,
item 11).
• Insert the new seal (included with delivery) onto the piston.
• Activate the 2 VHDO menu item from the 0DLQWHQDQFH menu again to retract the
piston again.
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For maintenance of the decomposition vessel, please read the C 5010/C 5012 Op-
erating Instructions.