Heraeus HS 12, Руководство по обслуживанию, Страница: 53 / 282

Service Instructions HERAsafe HS/12/18
• 24 •
Valid: 05.2001 / 50060091 / A
4.7 Hood brackets
Replacement of the hood brackets:
NOTE - Safety precautions:
Observe the safety instructions!
Check decontamination of the unit!
1. Switch the cabinet off using the Power/Function
Key switch; disconnect the two power supply ca-
bles from the mains supply and protect them
against accidental reconnection.
2. Loosen the two locking screws and remove them
with the spacers (see section 3.3).
3. Fig. 12: Raise the hood [1].
4. Remove the retaining screw [3] on the guide rail,
then remove the hood bracket [2].
5. Position the new hood bracket over the hole and
install the retaining screw.
6. Adjust the hood bracket to an exact vertical posi-
tion.
7. Tighten the retaining screw.
8. Close the hood (see section 3.3).
NOTE - Unit commissioning:
Prior to the commissioning of the unit:

Perform test run!

Check safety devices for proper opera-
tion!
4. Replacement of defined spare parts
Figure 12
Fig. 12, Replacement of the hood brackets