Danfoss VLT series, Service Manual

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VLT is a registered Danfoss trademark
Intro-3
TOOLS REQUIRED
Instruction manual for the VLT series drive
Metric socket set..........................7 - 19mm
Socket extensions........................4 in. and 6 in.
(100mm - 150mm)
Torx driver set...............................T10 - T50
Torque wrench..............................6 - 170 in-lbs
(0.675 - 19 Nm)
Needle nose pliers
Magnetic sockets
Ratchet
Screwdrivers.................................standard and Philips
Additional Tools Recommended for Testing
Digital volt/ohm meter
(must be rated for 1200 VDC for 690 V units)
Analog volt meter
Oscilloscope
Clamp-on style ammeter
Test cable p/n 176F8439
Signal test board p/n 176F8437
Shaft Size Driver Size
Torx / Hex
Torque
(in-lbs)
Torque
(Nm)
M4 T-20 / 7 mm 10 1.0
M5 T-25 / 8 mm 20 2.3
M6 T-30 / 10 mm 35 4.0
M8 T-40 / 13 mm 85 9.6
M10 T-50 / 17 mm 170 19.2
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 SCR, diode, or IGBT fasteners. See the
instructions included with those replacement parts for correct
values.
Torque Values Table