3.2 Assembling the Frequency Converter
System
3.2.1 Tools Required
Operating Instructions for the FC Series.
Metric socket set 7–19mm
Socket extensions 100–150mm (4in and 6in)
Torx driver set T10 - T50
Torque wrench 0.675–19Nm (6–170in-lbs)
Needle nose pliers
Magnetic sockets
Ratchet
Hex wrench set
Screwdrivers Standard and Philips
Additional Tools Recommended for Testing
Digital volt/ohmmeter (must be rated for 1200 VDC for 690 V units)
Voltmeter
Oscilloscope
Clamp-on style ammeter
Test cable p/n 176F8766
Signal test board p/n 176F8437
Power supply: 610 - 800 VDC, 250 mA to supply external power to
4 power cards and the control card.
Power supply : 24VDC, 2 A for external 24V power supply.
3.2.2 General Torque Tightening Values
For fastening hardware described in this manual, the torque
values in the table below are used. These values are not
intended for diode or IGBT fasteners. See the instructions
included with those replacement parts for correct values.
Shaft Size
Driver Size Torx/
Hex
Torque (in-
lbs)
Torque (Nm)
M4 T-20/7mm 10 1.0
M5 T-25/8mm 20 2.3
M6 T-30/10mm 35 4.0
M8 T-40/13mm 85 10
M10 T-50/17mm 170 19
M12 18mm/19mm 170 19
Table 3.2 Torque Values Table
Crane System Design
VLT
®
Active Front End AFE 302 Operating Instructions Liebherr
MG.33.X2.02 - VLT
®
is a registered Danfoss trademark 11
3
3
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