Sagem Ultima 600 Maintenance Manual page 55

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To replace or clean the filter, proceed as follows:
• Unscrew the blue ring.
• Remove the bowl toward the rear (Caution with o-ring).
The filter cartridge is slid on the tube with plastic seive.
• Unscrew and remove the base plug.
• Remove the filter (plastic coated filter which can be washed with clarified water).
• Perform the disassembly procedure in reverse order to reinstall the filter.
• Block the base plug by applying an additional 1/3 turn to ensure optimum tightness
of the cartridge on its support.
• Be sure to fit the bowl seal correctly to avoid any air getting in.
Cell protection filter
This is a fine filter used to protect the cell from the smallest particles during the
"measurement" phase.
⇒ This filter must be checked every day and replaced when the "GAS FLOW FAULT"
message is displayed.
Issue 05/99
Ref.: 21821085-0/A
5-19