AFL MFP Quick Reference Manual - Page 7

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AFL MFP Quick Reference Manual
Ensuring the MFI Proper Plunger Position
It is very important to properly position the MFI plunger for testing 250 & 900 µm
coated and ribbon fibers.
Remove the plunger cover and observe the plunger position.
•
Make sure the plunger is oriented correctly for the type of fiber to be tested.
•
If not, lift the plunger from the two retaining pins.
•
Rotate the plunger such that the correct side is facing out and will be used for the
•
fiber under test alignment.
Replace the plunger and cover.
•
The "250/900/RIB" side faces out for the 250 µm and 900 µm coated and ribbon
fibers testing
250 µm, 900 µm, Ribbon Fibers
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