Heidolph LABOROTA 4000 up to 4003 - Manual (Page 90)

Setup and initial use
88 Laborota 4000/4001 efficient, 4010/4011 digital, 4002/4003 control 1.02
4.5.2 Installing the vapour tube
The vapour tube connects the evaporating flask to the condenser and permits
the rotation of the evaporating flask by the drive.
Danger of glass breakage!
Risk of severe injury due to broken glass.
Check glass parts for damage (cracks, chips, etc.)
Use only glass parts that are in flawless condition.
Handle with care.
Drive rotating unintentionally!
Danger of injury to hands.
Ensure that the rotation is turned off.
1. Remove vapour tube from its packaging.
Fig. 4-5: Installing the vapour tube
2. Remove the screw coupling (1) on the drive, take out the tension
spring (2) and PTFE seal (3).
WARNING
CAUTION