The diagram shows the method of attaching the grounding spider. Secure the clamps for the
grounding spider to the ball heads
②
and
③
in the cabinet.
①
Schematic diagram of ball head
②
Ball head
③
Ball head
Figure 9-1
Schematic diagram for attaching the grounding spider
Mount the terminals of the grounding spider on the ball heads.
9.3
Opening the device
To remove the covers from the power unit, proceed as described in Chapter "Removing the
cover (Page 63)".
Once you have performed any maintenance measures, carry out the following steps before you
mount the covers again:
1. Check the seals between the cabinet and the covers for damage. If these is any damage,
replace the seals.
2. Replace the contact washers.
3. Mount the covers in the reverse order to which you removed them.
Maintenance
9.3 Opening the device
SINAMICS GL150 6SL38502UM114PA0Z
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Operating Instructions Rev.201910281441 EXAMPLE