Heidolph Hei-VAP Precision - Manual (Page 17)

Set-up and Start-up Set-up and Start-up
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Install the condenser
The threaded clamping screw is removed from the drive head.
Spring is removed from the drive head.
The vapor tube is installed on the drive.
PTFE 26 vacuum seal is installed on the vapor tube.
Support rod is installed.
WARNING Glass breakage!
Serious injuries from shattering and breaking glass.
Check glass devices for damages (stars, breaks, etc.).
Only use perfect glass devices and replace all damaged glassware
as soon as possible.
Work carefully.
CAUTION Unintentionally rotating drive!!
Injuries to hands.
Verify that the rotation is displayed.
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.
1. Version glassware sets G1 and G3:
‒ Push the threaded clamping screw (2) over the condenser flange.
‒ Push the spring (3) over the condenser flange.
‒ Attach the condenser (1) to the drive unit (4) with the threaded clamping screw.
1 Condenser 3 Tension spring
2 Threaded clamping screw 4 Drive unit
Figure 4-10: Assemble the glassware set (the example here is glassware set G1)
2. Version glassware set G5 (depending on coolant):
‒ Push the threaded clamping screw (2) over the cold trap jacket flange.
‒ Push the spring (3) over the cold trap liner flange.
‒ Screw the cold trap jacket with the threaded clamping screw to the drive unit.
‒ Insert the o-ring in the sealing groove of the cold trap jacket.
‒ 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.
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