1. Pipettes Assemble Procedures
This instruction has been prepared to assist you during the maintenance of your HTL pipette. The following diagrams focus on the assemble procedure of the selected (representative) models of the micro, mid-range and macro-volume pipettes.
Please follow this instruction during pipette cleaning or replacement of parts of the lower part of the pipette.
All information provided here applies to
Discovery Comfort / Discovery+,
Labmate Pro / Labmate Soft,
Optipette and Discovery PRO
singlechannel pipette lines.

2. External parts of the pipette:
Pipette Parts
„vocabulary”
External parts of the pipette:
Pipetting Pushbutton + Knob
Internal parts of the pipette lower part:
Ejector Pushbutton
Piston Assay
Volume Adjustment Knob + Locking Ring
Piston Spring
Shaft Nut
Compression Set
Tip Ejector
Compression Bush
Shaft
Seal and O-ring

3. External parts of the pipette:
Pipette Parts
„vocabulary”
Pipetting Pushbutton
External parts of the pipette:
Adjustment Knob (with volume lock mechanism)
Internal parts of the pipette lower part:
Piston + Spring
Ejector Pushbutton
Blocking Bush
Shaft Cap
Compression Spring
Shaft [in models DP2 - DP the set consist of:
shaft holder set (upper part)
shaft (lower part)]
Compression Bush
Seal and O-ring
Tip Ejector