Releasing the hydraulic and electrical connections
1. If the water hoses on the water intakes and outakes are not provided with a marking
②
,
mark the position (insertion depth)
②
of the water hose. To do so, use touch-up pen, e.g.,
Edding 751. The marking is important when subsequently installing the diode stack.
2. Release the water intakes and outlets
①
from the diode stack which lead to the distributor
pipe. To do so, press the ring
③
of the coupling. Pull the water hose backwards out of the
coupling. If the ring
③
cannot be pressed because it is on the coupling, initially gently pull
the hose backwards.
Figure 9-17
Releasing the water inlets and outlets
CAUTION
Leakage as a result of a defective coupling
If you unscrew the coupling with the inserted hose from the diode stack, then the hose can
be damaged as a result of the coupling teeth. This can result in leaks.
● To release the water inlets and outlets, only withdraw the hose from the coupling.
CAUTION
Eye and skin injuries caused by deionized water
Deionized water is harmful to eyes and skin and can damage surfaces.
● Therefore, use appropriate protective clothing when you carry out any work on the
drive. However, if your eyes or skin do come into contact with deionized water, rinse the
affected area thoroughly with tap water as soon as possible.
● If deionized water leaks out, eliminate the source of the problem and remove the liquid
from the surfaces affected.
3. Remove all of the cable ties
④
that fix the cables of the capacitor module. Withdraw the
connections at the bottom
⑤
and top
⑥
from the modules.
Maintenance
9.7 Repair
SINAMICS PERFECT HARMONY GH150 6SL3825
Operating Instructions 05/2020
119
Summary of Contents for 6SL3825
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