Replacing The Capacitor Battery; Replacing The Sml And The Smu - Siemens simovert masterdrives Betriebsanleitung

Maintenance
9.6

Replacing the capacitor battery

The unit is an assembly which consists of the DC link capacitors, the
capacitor support and the DC link bus module.
♦ Disconnect the electrical connection to the inverter bus module.
Construction
types E and F
♦ Undo the mechanical interlock.
♦ Swing the capacitor battery out towards the front and lift the unit out
♦ Remove the connection for the balancing resistor (cable lug M6).
Construction type G
♦ Detach the mechanical fastening.
♦ Swing the capacitor battery out towards the front and lift the unit at
Construction type K The capacitor battery consists of three modules. Each module has a
capacitor support and a DC link bus module.
♦ Withdraw the plug connections.
♦ Detach the mechanical fastening (four screws: two on the left, two
Swing the capacitor battery out as far as it will go, slightly raise the unit
and pull it forwards out of the converter.
CAUTION
The capacitor battery weighs up to 15 kg, depending on the converter
output!
9.7

Replacing the SML and the SMU

SML: Snubber Module Lower
SMU: Snubber Module Upper
♦ Remove the capacitor battery.
♦ Undo the fixing screws (4 x M8, 8 - 10 Nm or 4 x M6, 2.5 - 5 Nm,
♦ Remove the modules.
Install the new modules in the reverse sequence.
9-6
towards the top.
an angle of 45 ° out of the converter.
on the right).
1 x M4, max 1.8 Nm).
Operating Instructions
05.2006
6SE7087-6JK50 Siemens AG
SIMOVERT MASTERDRIVES