Heidolph LABOROTA 4000 up to 4003 - Manual (Page 104)

Setup and initial use
102 Laborota 4000/4001 efficient, 4010/4011 digital, 4002/4003 control 1.02
4.6 Adding distillation material
Additional distillation material can be added during distillation and while under
vacuum via the inlet hose and pipe.
Fig. 4-23: Inlet hose
1. Insert the inlet hose (1) in the additional material.
2. Turn the cock plug (2) parallel to the inlet hose (1).
The additional distillation material will be drawn into the evaporating flask.
4.7 Manual aeration
The system can be aerated via the cock plug (Fig. 4-23 (2)) of the inlet pipe:
Turn the cock plug (Fig. 4-23 (2)) of the inlet pipe slowly upward.
The system will be aerated.
4.7.1 Installing/connecting accessories
Fig. 4-24: Installing the guard hood
1. Attach the guard hood holder (2) to the vertical stop (1) with the two
included Allen-head screws (3).
2. Release the clamping screw (4) and align the guard hood (5) to the
heating bath by moving it horizontally.
3. Retighten the clamping screw.
The guard hood is now installed. It can be opened using the grip.
Guard hood