Twist Stopper; Fig. 16, Removal And Installation Of The Twist Stopper - Heraeus HS 9 Service Manual

4. Replacement of defined spare parts
4.11

Twist stopper

Removal and installation of the twist stopper:
NOTE - Safety precautions:
Observe the safety instructions!
Check decontamination of the unit!
Removal:
1. Open the front window as wide as possible.
2. Switch the cabinet off using the Power/Function
Key switch.
3. Fig. 16: From the interior of the cabinet, hold the
twist stopper [2] with an open-end wrench and
remove the plastic screw [3] on the outside with
an open-end wrench.
4. Remove the twist stopper from the cabinet.
Installation:
5. Slide the flat seal [1] onto the twist stopper.
6. From the interior of the cabinet, insert the twist
stopper into the hole of the metal plate.
7. Install and tighten the plastic screw.
NOTE - Unit commissioning:
Prior to the commissioning of the unit:
Perform test run!
Check safety devices for proper opera-
tion!
Figure 16
Fig. 16, Removal and installation of the twist stop-
per
• 28 •
Service Instructions HERAsafe HS/12/18
Valid: 05.2001 / 50060091 / A