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Replacing the sponge
①
②
Figure 9-33
1. Remove the retaining screws
2. Take out the sponge
3. Insert a new sponge and then push it up to the stop of the screw.
4. Reattach the leakage water detection.
9.5.8
Replacing fuses
To replace the -F11, -F12 or -F21 fuses, proceed as follows:
1. Disconnect the auxiliary power supply.
2. Remove the defective fuse.
3. Rectify the cause of the fault.
4. Fit the replacement fuse and close the fuse holder.
The order numbers for replacing fuses that have blown can be found in the spare parts list.
SINAMICS SM150 6SL3845-2NN41-8AD0
Operating Instructions Rev.201908010908 EXAMPLE
Retaining screws
Sponge
Replacing the sponge
②
Note
Insert the sponge
Make sure that the leakage water measurement is on the bottom pan. The distance between
sponge and bottom pan is then approx. 1 mm.
①
.
.
Maintenance
9.5 Repair
167
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