20
Models 10 µl and 120 µl
–  Unscrew the tip ejector collar counter clockwise and remove it
–  Unscrew the tip cone locking ring counter clockwise and carefully remove it
–  Unscrew the exposed piston counter clockwise
–  Clean the tip ejector collar, tip cone locking ring, tip cone and piston with 
cleaning solution or similar and lint-free cloth
–  Rinse with distilled water if needed and let the parts dry
–  Install the piston by screwing it clockwise, do not overtighten
–  Put a thin layer of autoclavable grease (cat. no. 731141) on the piston
–  Carefully place the tip cone and attach it by screwing the tip cone locking 
ring clockwise
–  Place the Safe-Cone Filter with forceps (Safe-Cone Filter in models >10 μl)
–  Turn the pipette ON
Models 300 µl and 1000 µl
–  Unscrew the tip ejector collar counter clockwise and remove it
–  Unscrew the tip cone locking ring counter clockwise and carefully remove it
–  Unscrew the exposed piston counter clockwise
–  Clean the tip ejector collar, tip cone locking ring, tip cone and piston with 
cleaning solution or similar and lint-free cloth
–  Rinse with distilled water if needed and let the parts dry
–  Install the piston by screwing it clockwise, do not overtighten
–  Put a thin layer of autoclavable grease (cat. no. 731141) around the seal
–  Carefully place the tip cone on the piston attach it by screwing the tip cone 
locking ring clockwise
–  Attach the tip ejector collar by screwing it clockwise
–  Place the Safe-Cone Filter with forceps
–  Turn the pipette ON
Model 5 ml
–  Unscrew the tip ejector collar counter clockwise and remove it
–  Unscrew the tip cone counter clockwise and remove it
–  Unscrew the exposed piston counter clockwise
–  Clean the tip ejector collar, tip cone locking ring, tip cone and piston with 
mild detergent or similar and lint-free cloth
–  Rinse with distilled water if needed and let the parts dry
–  Install the piston by screwing it clockwise, do not over tighten
–  Put a thin layer of autoclavable grease (cat. no. 731141) on the seal and the 
interior of the tip cone, avoid excess grease
–  Carefully place the tip cone on the piston and screw clockwise
–  Attach the tip ejector collar by screwing it clockwise
–  Place the Safe-Cone Filter with forceps
–  Turn the pipette ON
Model 10 ml
–  Unscrew the tip ejector collar counter clockwise and remove it