Heidolph Hei-VAP Precision Manuel D'utilisation page 30

EN
Set-up and Start-up
24
WARNING Risk of injuries due to retracting or entrapment!
Risk of injury.
A risk of entanglement exists on the movable parts of the unit.
Wear suitable protective clothing for activities on the rotary
evaporator with goggles and gloves.
Figure 4-10: Assemble the glassware set (the example here is glassware set G1)
1 Condenser
2 Threaded clamping screw
1. Version glassware sets G1 and G3:
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Push the threaded clamping screw (2) over the condenser flange.
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Push the spring (3) over the condenser flange.
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Attach the condenser (1) to the drive unit (4) with the threaded clamping screw.
2. Version glassware set G5 (depending on coolant):
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Push the threaded clamping screw (2) over the cold trap jacket flange.
−
Push the spring (3) over the cold trap liner flange.
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Screw the cold trap jacket with the threaded clamping screw to the drive unit.
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Insert the o-ring in the sealing groove of the cold trap jacket.
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Insert the PTFE centering ring in the cold trap jacket and insert the cold trap in-
sert (cold finger).
The flange is suctioned compressed by the vacuum and the system is closed vacuum-
tight by the inserted o-ring.
3. Version glassware set G6 (condenser for return flow distillation):
Figure 4-11: Glassware set G6
1 Center piece
2
Threaded connection
3
Tension spring
1
2
3
4
3 Tension spring
4 Drive unit
4 Gasket G6
5
G6 intermediate part (5)
6
G6 threaded coupling
Hei-VAP Precision