Beckman Coulter AutoMate 2500 Series Instructions For Use Manual page 136

User Maintenance
Aliquot Module Maintenance
11
Check that the tip carrier is positioned correctly. Firmly hold the centering unit (the
part just above the retaining nut) with one hand. With the other hand, try moving the
tip carrier gently back and forth. The tip carrier should not move. If the tip carrier
moves, remove and remount it.
12
To unlock the pipettor, push the lever down completely so that the locking pin moves to
the left [1]. When the lever is in this position [2], the pipettor can move up freely.
Confirm that the locking pin does not scratch against the housing.
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