Replacing The Pcc; Replacing The Rectifier Modules; Replacing The Ivi - Siemens SIMOVERT FC Operating Instructions Manual

Maintenance
5.2.5.2

Replacing the PCC

• Remove the PCU,
• Remove connector X11; X12; X13; X246 on the PCC,
• Remove the NUD cable,
• Remove the PCC mounting bolts,
• Release the distance piece and remove the PCC.
• Install a new PCC in the inverse sequence
5.2.5.3

Replacing the rectifier modules

♦ Types of construction E to F
• Remove the PCU and PCC
• Disassemble the input busbars and rectifier
busbars
• Release the bolts of the defective module and
remove the module.
• Install the new rectifier module
− Coat the contact surfaces of the heatsink with a thin and uniform application of heat conducting
paste.
− Tighten-up the rectifier module mounting bolts with 4 Nm.
• Re-install the components in the inverse sequence.
5.2.5.4

Replacing the IVI

IVI Inverter-Value Interface
The IVI is bolted to the rear of the electronics box
♦ Remove connector X205; X206; X208; X31; X33 from the IVI
♦ Types of construction E to F
• Withdraw the fiber-optic cable connections
• Remove the capacitor bank
♦ All types of construction
• Remove all boards from the electronics box
• Remove both mounting bolts from the electronics box (Fig. 5.3)
• Release the electronics box and remove towards the front.
• Unbolt the IVI and remove
• Install the new IVI in the inverse sequence
5-4
♦ Types of construction G to H
• Remove the PCC with mounting panel
• Remove the PCU, PSU and E-Box
• Disassemble the DC link and inverter busbars
• Release the bolts from the defective module
and remove the module.
♦ Types of construction G to H
• Remove PSU with insulation
SIMOVERT MASTER DRIVES
08.96
Siemens AG 6SE7087-6AH70
Operating Instructions